Merge branch 'aspeed/dt-3' into arm/late

* aspeed/dt-3:
  ARM: dts: aspeed: Add AST2600 pinmux nodes
  ARM: dts: aspeed: Add AST2600 and EVB
  clk: Add support for AST2600 SoC
  clk: aspeed: Move structures to header
  clk: aspeed: Add SDIO gate

arch/arm/boot/dts/Makefile

@@ -1269,6 +1269,7 @@ dtb-$(CONFIG_ARCH_MILBEAUT) += milbeaut-m10v-evb.dtb
 dtb-$(CONFIG_ARCH_ZX) += zx296702-ad1.dtb
 dtb-$(CONFIG_ARCH_ASPEED) += \
 	aspeed-ast2500-evb.dtb \
+	aspeed-ast2600-evb.dtb \
 	aspeed-bmc-arm-centriq2400-rep.dtb \
 	aspeed-bmc-arm-stardragon4800-rep2.dtb \
 	aspeed-bmc-facebook-cmm.dtb \

arch/arm/boot/dts/aspeed-ast2600-evb.dts

+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright 2019 IBM Corp.
+
+/dts-v1/;
+
+#include "aspeed-g6.dtsi"
+
+/ {
+	model = "AST2600 EVB";
+	compatible = "aspeed,ast2600";
+
+	aliases {
+		serial4 = &uart5;
+	};
+
+	chosen {
+		bootargs = "console=ttyS4,115200n8";
+	};
+
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x80000000 0x80000000>;
+	};
+};
+
+&mdio1 {
+	status = "okay";
+
+	ethphy1: ethernet-phy@0 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <0>;
+	};
+};
+
+&mdio2 {
+	status = "okay";
+
+	ethphy2: ethernet-phy@0 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <0>;
+	};
+};
+
+&mdio3 {
+	status = "okay";
+
+	ethphy3: ethernet-phy@0 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <0>;
+	};
+};
+
+&mac1 {
+	status = "okay";
+
+	phy-mode = "rgmii";
+	phy-handle = <&ethphy1>;
+};
+
+&mac2 {
+	status = "okay";
+
+	phy-mode = "rgmii";
+	phy-handle = <&ethphy2>;
+};
+
+&mac3 {
+	status = "okay";
+
+	phy-mode = "rgmii";
+	phy-handle = <&ethphy3>;
+};
+
+&emmc {
+	status = "okay";
+};
+
+&rtc {
+	status = "okay";
+};

arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi

+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright 2019 IBM Corp.
+
+&pinctrl {
+	pinctrl_adc0_default: adc0_default {
+		function = "ADC0";
+		groups = "ADC0";
+	};
+
+	pinctrl_adc1_default: adc1_default {
+		function = "ADC1";
+		groups = "ADC1";
+	};
+
+	pinctrl_adc10_default: adc10_default {
+		function = "ADC10";
+		groups = "ADC10";
+	};
+
+	pinctrl_adc11_default: adc11_default {
+		function = "ADC11";
+		groups = "ADC11";
+	};
+
+	pinctrl_adc12_default: adc12_default {
+		function = "ADC12";
+		groups = "ADC12";
+	};
+
+	pinctrl_adc13_default: adc13_default {
+		function = "ADC13";
+		groups = "ADC13";
+	};
+
+	pinctrl_adc14_default: adc14_default {
+		function = "ADC14";
+		groups = "ADC14";
+	};
+
+	pinctrl_adc15_default: adc15_default {
+		function = "ADC15";
+		groups = "ADC15";
+	};
+
+	pinctrl_adc2_default: adc2_default {
+		function = "ADC2";
+		groups = "ADC2";
+	};
+
+	pinctrl_adc3_default: adc3_default {
+		function = "ADC3";
+		groups = "ADC3";
+	};
+
+	pinctrl_adc4_default: adc4_default {
+		function = "ADC4";
+		groups = "ADC4";
+	};
+
+	pinctrl_adc5_default: adc5_default {
+		function = "ADC5";
+		groups = "ADC5";
+	};
+
+	pinctrl_adc6_default: adc6_default {
+		function = "ADC6";
+		groups = "ADC6";
+	};
+
+	pinctrl_adc7_default: adc7_default {
+		function = "ADC7";
+		groups = "ADC7";
+	};
+
+	pinctrl_adc8_default: adc8_default {
+		function = "ADC8";
+		groups = "ADC8";
+	};
+
+	pinctrl_adc9_default: adc9_default {
+		function = "ADC9";
+		groups = "ADC9";
+	};
+
+	pinctrl_bmcint_default: bmcint_default {
+		function = "BMCINT";
+		groups = "BMCINT";
+	};
+
+	pinctrl_espi_default: espi_default {
+		function = "ESPI";
+		groups = "ESPI";
+	};
+
+	pinctrl_espialt_default: espialt_default {
+		function = "ESPIALT";
+		groups = "ESPIALT";
+	};
+
+	pinctrl_fsi1_default: fsi1_default {
+		function = "FSI1";
+		groups = "FSI1";
+	};
+
+	pinctrl_fsi2_default: fsi2_default {
+		function = "FSI2";
+		groups = "FSI2";
+	};
+
+	pinctrl_fwspiabr_default: fwspiabr_default {
+		function = "FWSPIABR";
+		groups = "FWSPIABR";
+	};
+
+	pinctrl_fwspid_default: fwspid_default {
+		function = "FWSPID";
+		groups = "FWSPID";
+	};
+
+	pinctrl_fwqspid_default: fwqspid_default {
+		function = "FWQSPID";
+		groups = "FWQSPID";
+	};
+
+	pinctrl_fwspiwp_default: fwspiwp_default {
+		function = "FWSPIWP";
+		groups = "FWSPIWP";
+	};
+
+	pinctrl_gpit0_default: gpit0_default {
+		function = "GPIT0";
+		groups = "GPIT0";
+	};
+
+	pinctrl_gpit1_default: gpit1_default {
+		function = "GPIT1";
+		groups = "GPIT1";
+	};
+
+	pinctrl_gpit2_default: gpit2_default {
+		function = "GPIT2";
+		groups = "GPIT2";
+	};
+
+	pinctrl_gpit3_default: gpit3_default {
+		function = "GPIT3";
+		groups = "GPIT3";
+	};
+
+	pinctrl_gpit4_default: gpit4_default {
+		function = "GPIT4";
+		groups = "GPIT4";
+	};
+
+	pinctrl_gpit5_default: gpit5_default {
+		function = "GPIT5";
+		groups = "GPIT5";
+	};
+
+	pinctrl_gpit6_default: gpit6_default {
+		function = "GPIT6";
+		groups = "GPIT6";
+	};
+
+	pinctrl_gpit7_default: gpit7_default {
+		function = "GPIT7";
+		groups = "GPIT7";
+	};
+
+	pinctrl_gpiu0_default: gpiu0_default {
+		function = "GPIU0";
+		groups = "GPIU0";
+	};
+
+	pinctrl_gpiu1_default: gpiu1_default {
+		function = "GPIU1";
+		groups = "GPIU1";
+	};
+
+	pinctrl_gpiu2_default: gpiu2_default {
+		function = "GPIU2";
+		groups = "GPIU2";
+	};
+
+	pinctrl_gpiu3_default: gpiu3_default {
+		function = "GPIU3";
+		groups = "GPIU3";
+	};
+
+	pinctrl_gpiu4_default: gpiu4_default {
+		function = "GPIU4";
+		groups = "GPIU4";
+	};
+
+	pinctrl_gpiu5_default: gpiu5_default {
+		function = "GPIU5";
+		groups = "GPIU5";
+	};
+
+	pinctrl_gpiu6_default: gpiu6_default {
+		function = "GPIU6";
+		groups = "GPIU6";
+	};
+
+	pinctrl_gpiu7_default: gpiu7_default {
+		function = "GPIU7";
+		groups = "GPIU7";
+	};
+
+	pinctrl_hvi3c3_default: hvi3c3_default {
+		function = "HVI3C3";
+		groups = "HVI3C3";
+	};
+
+	pinctrl_hvi3c4_default: hvi3c4_default {
+		function = "HVI3C4";
+		groups = "HVI3C4";
+	};
+
+	pinctrl_i2c1_default: i2c1_default {
+		function = "I2C1";
+		groups = "I2C1";
+	};
+
+	pinctrl_i2c10_default: i2c10_default {
+		function = "I2C10";
+		groups = "I2C10";
+	};
+
+	pinctrl_i2c11_default: i2c11_default {
+		function = "I2C11";
+		groups = "I2C11";
+	};
+
+	pinctrl_i2c12_default: i2c12_default {
+		function = "I2C12";
+		groups = "I2C12";
+	};
+
+	pinctrl_i2c13_default: i2c13_default {
+		function = "I2C13";
+		groups = "I2C13";
+	};
+
+	pinctrl_i2c14_default: i2c14_default {
+		function = "I2C14";
+		groups = "I2C14";
+	};
+
+	pinctrl_i2c15_default: i2c15_default {
+		function = "I2C15";
+		groups = "I2C15";
+	};
+
+	pinctrl_i2c16_default: i2c16_default {
+		function = "I2C16";
+		groups = "I2C16";
+	};
+
+	pinctrl_i2c2_default: i2c2_default {
+		function = "I2C2";
+		groups = "I2C2";
+	};
+
+	pinctrl_i2c3_default: i2c3_default {
+		function = "I2C3";
+		groups = "I2C3";
+	};
+
+	pinctrl_i2c4_default: i2c4_default {
+		function = "I2C4";
+		groups = "I2C4";
+	};
+
+	pinctrl_i2c5_default: i2c5_default {
+		function = "I2C5";
+		groups = "I2C5";
+	};
+
+	pinctrl_i2c6_default: i2c6_default {
+		function = "I2C6";
+		groups = "I2C6";
+	};
+
+	pinctrl_i2c7_default: i2c7_default {
+		function = "I2C7";
+		groups = "I2C7";
+	};
+
+	pinctrl_i2c8_default: i2c8_default {
+		function = "I2C8";
+		groups = "I2C8";
+	};
+
+	pinctrl_i2c9_default: i2c9_default {
+		function = "I2C9";
+		groups = "I2C9";
+	};
+
+	pinctrl_i3c3_default: i3c3_default {
+		function = "I3C3";
+		groups = "I3C3";
+	};
+
+	pinctrl_i3c4_default: i3c4_default {
+		function = "I3C4";
+		groups = "I3C4";
+	};
+
+	pinctrl_i3c5_default: i3c5_default {
+		function = "I3C5";
+		groups = "I3C5";
+	};
+
+	pinctrl_i3c6_default: i3c6_default {
+		function = "I3C6";
+		groups = "I3C6";
+	};
+
+	pinctrl_jtagm_default: jtagm_default {
+		function = "JTAGM";
+		groups = "JTAGM";
+	};
+
+	pinctrl_lhpd_default: lhpd_default {
+		function = "LHPD";
+		groups = "LHPD";
+	};
+
+	pinctrl_lhsirq_default: lhsirq_default {
+		function = "LHSIRQ";
+		groups = "LHSIRQ";
+	};
+
+	pinctrl_lpc_default: lpc_default {
+		function = "LPC";
+		groups = "LPC";
+	};
+
+	pinctrl_lpchc_default: lpchc_default {
+		function = "LPCHC";
+		groups = "LPCHC";
+	};
+
+	pinctrl_lpcpd_default: lpcpd_default {
+		function = "LPCPD";
+		groups = "LPCPD";
+	};
+
+	pinctrl_lpcpme_default: lpcpme_default {
+		function = "LPCPME";
+		groups = "LPCPME";
+	};
+
+	pinctrl_lpcsmi_default: lpcsmi_default {
+		function = "LPCSMI";
+		groups = "LPCSMI";
+	};
+
+	pinctrl_lsirq_default: lsirq_default {
+		function = "LSIRQ";
+		groups = "LSIRQ";
+	};
+
+	pinctrl_maclink1_default: maclink1_default {
+		function = "MACLINK1";
+		groups = "MACLINK1";
+	};
+
+	pinctrl_maclink2_default: maclink2_default {
+		function = "MACLINK2";
+		groups = "MACLINK2";
+	};
+
+	pinctrl_maclink3_default: maclink3_default {
+		function = "MACLINK3";
+		groups = "MACLINK3";
+	};
+
+	pinctrl_maclink4_default: maclink4_default {
+		function = "MACLINK4";
+		groups = "MACLINK4";
+	};
+
+	pinctrl_mdio1_default: mdio1_default {
+		function = "MDIO1";
+		groups = "MDIO1";
+	};
+
+	pinctrl_mdio2_default: mdio2_default {
+		function = "MDIO2";
+		groups = "MDIO2";
+	};
+
+	pinctrl_mdio3_default: mdio3_default {
+		function = "MDIO3";
+		groups = "MDIO3";
+	};
+
+	pinctrl_mdio4_default: mdio4_default {
+		function = "MDIO4";
+		groups = "MDIO4";
+	};
+
+	pinctrl_ncts1_default: ncts1_default {
+		function = "NCTS1";
+		groups = "NCTS1";
+	};
+
+	pinctrl_ncts2_default: ncts2_default {
+		function = "NCTS2";
+		groups = "NCTS2";
+	};
+
+	pinctrl_ncts3_default: ncts3_default {
+		function = "NCTS3";
+		groups = "NCTS3";
+	};
+
+	pinctrl_ncts4_default: ncts4_default {
+		function = "NCTS4";
+		groups = "NCTS4";
+	};
+
+	pinctrl_ndcd1_default: ndcd1_default {
+		function = "NDCD1";
+		groups = "NDCD1";
+	};
+
+	pinctrl_ndcd2_default: ndcd2_default {
+		function = "NDCD2";
+		groups = "NDCD2";
+	};
+
+	pinctrl_ndcd3_default: ndcd3_default {
+		function = "NDCD3";
+		groups = "NDCD3";
+	};
+
+	pinctrl_ndcd4_default: ndcd4_default {
+		function = "NDCD4";
+		groups = "NDCD4";
+	};
+
+	pinctrl_ndsr1_default: ndsr1_default {
+		function = "NDSR1";
+		groups = "NDSR1";
+	};
+
+	pinctrl_ndsr2_default: ndsr2_default {
+		function = "NDSR2";
+		groups = "NDSR2";
+	};
+
+	pinctrl_ndsr3_default: ndsr3_default {
+		function = "NDSR3";
+		groups = "NDSR3";
+	};
+
+	pinctrl_ndsr4_default: ndsr4_default {
+		function = "NDSR4";
+		groups = "NDSR4";
+	};
+
+	pinctrl_ndtr1_default: ndtr1_default {
+		function = "NDTR1";
+		groups = "NDTR1";
+	};
+
+	pinctrl_ndtr2_default: ndtr2_default {
+		function = "NDTR2";
+		groups = "NDTR2";
+	};
+
+	pinctrl_ndtr3_default: ndtr3_default {
+		function = "NDTR3";
+		groups = "NDTR3";
+	};
+
+	pinctrl_ndtr4_default: ndtr4_default {
+		function = "NDTR4";
+		groups = "NDTR4";
+	};
+
+	pinctrl_nri1_default: nri1_default {
+		function = "NRI1";
+		groups = "NRI1";
+	};
+
+	pinctrl_nri2_default: nri2_default {
+		function = "NRI2";
+		groups = "NRI2";
+	};
+
+	pinctrl_nri3_default: nri3_default {
+		function = "NRI3";
+		groups = "NRI3";
+	};
+
+	pinctrl_nri4_default: nri4_default {
+		function = "NRI4";
+		groups = "NRI4";
+	};
+
+	pinctrl_nrts1_default: nrts1_default {
+		function = "NRTS1";
+		groups = "NRTS1";
+	};
+
+	pinctrl_nrts2_default: nrts2_default {
+		function = "NRTS2";
+		groups = "NRTS2";
+	};
+
+	pinctrl_nrts3_default: nrts3_default {
+		function = "NRTS3";
+		groups = "NRTS3";
+	};
+
+	pinctrl_nrts4_default: nrts4_default {
+		function = "NRTS4";
+		groups = "NRTS4";
+	};
+
+	pinctrl_oscclk_default: oscclk_default {
+		function = "OSCCLK";
+		groups = "OSCCLK";
+	};
+
+	pinctrl_pewake_default: pewake_default {
+		function = "PEWAKE";
+		groups = "PEWAKE";
+	};
+
+	pinctrl_pwm0_default: pwm0_default {
+		function = "PWM0";
+		groups = "PWM0";
+	};
+
+	pinctrl_pwm1_default: pwm1_default {
+		function = "PWM1";
+		groups = "PWM1";
+	};
+
+	pinctrl_pwm10g0_default: pwm10g0_default {
+		function = "PWM10";
+		groups = "PWM10G0";
+	};
+
+	pinctrl_pwm10g1_default: pwm10g1_default {
+		function = "PWM10";
+		groups = "PWM10G1";
+	};
+
+	pinctrl_pwm11g0_default: pwm11g0_default {
+		function = "PWM11";
+		groups = "PWM11G0";
+	};
+
+	pinctrl_pwm11g1_default: pwm11g1_default {
+		function = "PWM11";
+		groups = "PWM11G1";
+	};
+
+	pinctrl_pwm12g0_default: pwm12g0_default {
+		function = "PWM12";
+		groups = "PWM12G0";
+	};
+
+	pinctrl_pwm12g1_default: pwm12g1_default {
+		function = "PWM12";
+		groups = "PWM12G1";
+	};
+
+	pinctrl_pwm13g0_default: pwm13g0_default {
+		function = "PWM13";
+		groups = "PWM13G0";
+	};
+
+	pinctrl_pwm13g1_default: pwm13g1_default {
+		function = "PWM13";
+		groups = "PWM13G1";
+	};
+
+	pinctrl_pwm14g0_default: pwm14g0_default {
+		function = "PWM14";
+		groups = "PWM14G0";
+	};
+
+	pinctrl_pwm14g1_default: pwm14g1_default {
+		function = "PWM14";
+		groups = "PWM14G1";
+	};
+
+	pinctrl_pwm15g0_default: pwm15g0_default {
+		function = "PWM15";
+		groups = "PWM15G0";
+	};
+
+	pinctrl_pwm15g1_default: pwm15g1_default {
+		function = "PWM15";
+		groups = "PWM15G1";
+	};
+
+	pinctrl_pwm2_default: pwm2_default {
+		function = "PWM2";
+		groups = "PWM2";
+	};
+
+	pinctrl_pwm3_default: pwm3_default {
+		function = "PWM3";
+		groups = "PWM3";
+	};
+
+	pinctrl_pwm4_default: pwm4_default {
+		function = "PWM4";
+		groups = "PWM4";
+	};
+
+	pinctrl_pwm5_default: pwm5_default {
+		function = "PWM5";
+		groups = "PWM5";
+	};
+
+	pinctrl_pwm6_default: pwm6_default {
+		function = "PWM6";
+		groups = "PWM6";
+	};
+
+	pinctrl_pwm7_default: pwm7_default {
+		function = "PWM7";
+		groups = "PWM7";
+	};
+
+	pinctrl_pwm8g0_default: pwm8g0_default {
+		function = "PWM8";
+		groups = "PWM8G0";
+	};
+
+	pinctrl_pwm8g1_default: pwm8g1_default {
+		function = "PWM8";
+		groups = "PWM8G1";
+	};
+
+	pinctrl_pwm9g0_default: pwm9g0_default {
+		function = "PWM9";
+		groups = "PWM9G0";
+	};
+
+	pinctrl_pwm9g1_default: pwm9g1_default {
+		function = "PWM9";
+		groups = "PWM9G1";
+	};
+
+	pinctrl_qspi1_default: qspi1_default {
+		function = "QSPI1";
+		groups = "QSPI1";
+	};
+
+	pinctrl_qspi2_default: qspi2_default {
+		function = "QSPI2";
+		groups = "QSPI2";
+	};
+
+	pinctrl_rgmii1_default: rgmii1_default {
+		function = "RGMII1";
+		groups = "RGMII1";
+	};
+
+	pinctrl_rgmii2_default: rgmii2_default {
+		function = "RGMII2";
+		groups = "RGMII2";
+	};
+
+	pinctrl_rgmii3_default: rgmii3_default {
+		function = "RGMII3";
+		groups = "RGMII3";
+	};
+
+	pinctrl_rgmii4_default: rgmii4_default {
+		function = "RGMII4";
+		groups = "RGMII4";
+	};
+
+	pinctrl_rmii1_default: rmii1_default {
+		function = "RMII1";
+		groups = "RMII1";
+	};
+
+	pinctrl_rmii2_default: rmii2_default {
+		function = "RMII2";
+		groups = "RMII2";
+	};
+
+	pinctrl_rmii3_default: rmii3_default {
+		function = "RMII3";
+		groups = "RMII3";
+	};
+
+	pinctrl_rmii4_default: rmii4_default {
+		function = "RMII4";
+		groups = "RMII4";
+	};
+
+	pinctrl_rxd1_default: rxd1_default {
+		function = "RXD1";
+		groups = "RXD1";
+	};
+
+	pinctrl_rxd2_default: rxd2_default {
+		function = "RXD2";
+		groups = "RXD2";
+	};
+
+	pinctrl_rxd3_default: rxd3_default {
+		function = "RXD3";
+		groups = "RXD3";
+	};
+
+	pinctrl_rxd4_default: rxd4_default {
+		function = "RXD4";
+		groups = "RXD4";
+	};
+
+	pinctrl_salt1_default: salt1_default {
+		function = "SALT1";
+		groups = "SALT1";
+	};
+
+	pinctrl_salt10g0_default: salt10g0_default {
+		function = "SALT10";
+		groups = "SALT10G0";
+	};
+
+	pinctrl_salt10g1_default: salt10g1_default {
+		function = "SALT10";
+		groups = "SALT10G1";
+	};
+
+	pinctrl_salt11g0_default: salt11g0_default {
+		function = "SALT11";
+		groups = "SALT11G0";
+	};
+
+	pinctrl_salt11g1_default: salt11g1_default {
+		function = "SALT11";
+		groups = "SALT11G1";
+	};
+
+	pinctrl_salt12g0_default: salt12g0_default {
+		function = "SALT12";
+		groups = "SALT12G0";
+	};
+
+	pinctrl_salt12g1_default: salt12g1_default {
+		function = "SALT12";
+		groups = "SALT12G1";
+	};
+
+	pinctrl_salt13g0_default: salt13g0_default {
+		function = "SALT13";
+		groups = "SALT13G0";
+	};
+
+	pinctrl_salt13g1_default: salt13g1_default {
+		function = "SALT13";
+		groups = "SALT13G1";
+	};
+
+	pinctrl_salt14g0_default: salt14g0_default {
+		function = "SALT14";
+		groups = "SALT14G0";
+	};
+
+	pinctrl_salt14g1_default: salt14g1_default {
+		function = "SALT14";
+		groups = "SALT14G1";
+	};
+
+	pinctrl_salt15g0_default: salt15g0_default {
+		function = "SALT15";
+		groups = "SALT15G0";
+	};
+
+	pinctrl_salt15g1_default: salt15g1_default {
+		function = "SALT15";
+		groups = "SALT15G1";
+	};
+
+	pinctrl_salt16g0_default: salt16g0_default {
+		function = "SALT16";
+		groups = "SALT16G0";
+	};
+
+	pinctrl_salt16g1_default: salt16g1_default {
+		function = "SALT16";
+		groups = "SALT16G1";
+	};
+
+	pinctrl_salt2_default: salt2_default {
+		function = "SALT2";
+		groups = "SALT2";
+	};
+
+	pinctrl_salt3_default: salt3_default {
+		function = "SALT3";
+		groups = "SALT3";
+	};
+
+	pinctrl_salt4_default: salt4_default {
+		function = "SALT4";
+		groups = "SALT4";
+	};
+
+	pinctrl_salt5_default: salt5_default {
+		function = "SALT5";
+		groups = "SALT5";
+	};
+
+	pinctrl_salt6_default: salt6_default {
+		function = "SALT6";
+		groups = "SALT6";
+	};
+
+	pinctrl_salt7_default: salt7_default {
+		function = "SALT7";
+		groups = "SALT7";
+	};
+
+	pinctrl_salt8_default: salt8_default {
+		function = "SALT8";
+		groups = "SALT8";
+	};
+
+	pinctrl_salt9g0_default: salt9g0_default {
+		function = "SALT9";
+		groups = "SALT9G0";
+	};
+
+	pinctrl_salt9g1_default: salt9g1_default {
+		function = "SALT9";
+		groups = "SALT9G1";
+	};
+
+	pinctrl_sd1_default: sd1_default {
+		function = "SD1";
+		groups = "SD1";
+	};
+
+	pinctrl_sd2_default: sd2_default {
+		function = "SD2";
+		groups = "SD2";
+	};
+
+	pinctrl_sd3_default: sd3_default {
+		function = "SD3";
+		groups = "SD3";
+	};
+
+	pinctrl_emmc_default: emmc_default {
+		function = "SD3";
+		groups = "EMMC";
+	};
+
+	pinctrl_sgpm1_default: sgpm1_default {
+		function = "SGPM1";
+		groups = "SGPM1";
+	};
+
+	pinctrl_sgps1_default: sgps1_default {
+		function = "SGPS1";
+		groups = "SGPS1";
+	};
+
+	pinctrl_sioonctrl_default: sioonctrl_default {
+		function = "SIOONCTRL";
+		groups = "SIOONCTRL";
+	};
+
+	pinctrl_siopbi_default: siopbi_default {
+		function = "SIOPBI";
+		groups = "SIOPBI";
+	};
+
+	pinctrl_siopbo_default: siopbo_default {
+		function = "SIOPBO";
+		groups = "SIOPBO";
+	};
+
+	pinctrl_siopwreq_default: siopwreq_default {
+		function = "SIOPWREQ";
+		groups = "SIOPWREQ";
+	};
+
+	pinctrl_siopwrgd_default: siopwrgd_default {
+		function = "SIOPWRGD";
+		groups = "SIOPWRGD";
+	};
+
+	pinctrl_sios3_default: sios3_default {
+		function = "SIOS3";
+		groups = "SIOS3";
+	};
+
+	pinctrl_sios5_default: sios5_default {
+		function = "SIOS5";
+		groups = "SIOS5";
+	};
+
+	pinctrl_siosci_default: siosci_default {
+		function = "SIOSCI";
+		groups = "SIOSCI";
+	};
+
+	pinctrl_spi1_default: spi1_default {
+		function = "SPI1";
+		groups = "SPI1";
+	};
+
+	pinctrl_spi1abr_default: spi1abr_default {
+		function = "SPI1ABR";
+		groups = "SPI1ABR";
+	};
+
+	pinctrl_spi1cs1_default: spi1cs1_default {
+		function = "SPI1CS1";
+		groups = "SPI1CS1";
+	};
+
+	pinctrl_spi1wp_default: spi1wp_default {
+		function = "SPI1WP";
+		groups = "SPI1WP";
+	};
+
+	pinctrl_spi2_default: spi2_default {
+		function = "SPI2";
+		groups = "SPI2";
+	};
+
+	pinctrl_spi2cs1_default: spi2cs1_default {
+		function = "SPI2CS1";
+		groups = "SPI2CS1";
+	};
+
+	pinctrl_spi2cs2_default: spi2cs2_default {
+		function = "SPI2CS2";
+		groups = "SPI2CS2";
+	};
+
+	pinctrl_tach0_default: tach0_default {
+		function = "TACH0";
+		groups = "TACH0";
+	};
+
+	pinctrl_tach1_default: tach1_default {
+		function = "TACH1";
+		groups = "TACH1";
+	};
+
+	pinctrl_tach10_default: tach10_default {
+		function = "TACH10";
+		groups = "TACH10";
+	};
+
+	pinctrl_tach11_default: tach11_default {
+		function = "TACH11";
+		groups = "TACH11";
+	};
+
+	pinctrl_tach12_default: tach12_default {
+		function = "TACH12";
+		groups = "TACH12";
+	};
+
+	pinctrl_tach13_default: tach13_default {
+		function = "TACH13";
+		groups = "TACH13";
+	};
+
+	pinctrl_tach14_default: tach14_default {
+		function = "TACH14";
+		groups = "TACH14";
+	};
+
+	pinctrl_tach15_default: tach15_default {
+		function = "TACH15";
+		groups = "TACH15";
+	};
+
+	pinctrl_tach2_default: tach2_default {
+		function = "TACH2";
+		groups = "TACH2";
+	};
+
+	pinctrl_tach3_default: tach3_default {
+		function = "TACH3";
+		groups = "TACH3";
+	};
+
+	pinctrl_tach4_default: tach4_default {
+		function = "TACH4";
+		groups = "TACH4";
+	};
+
+	pinctrl_tach5_default: tach5_default {
+		function = "TACH5";
+		groups = "TACH5";
+	};
+
+	pinctrl_tach6_default: tach6_default {
+		function = "TACH6";
+		groups = "TACH6";
+	};
+
+	pinctrl_tach7_default: tach7_default {
+		function = "TACH7";
+		groups = "TACH7";
+	};
+
+	pinctrl_tach8_default: tach8_default {
+		function = "TACH8";
+		groups = "TACH8";
+	};
+
+	pinctrl_tach9_default: tach9_default {
+		function = "TACH9";
+		groups = "TACH9";
+	};
+
+	pinctrl_thru0_default: thru0_default {
+		function = "THRU0";
+		groups = "THRU0";
+	};
+
+	pinctrl_thru1_default: thru1_default {
+		function = "THRU1";
+		groups = "THRU1";
+	};
+
+	pinctrl_thru2_default: thru2_default {
+		function = "THRU2";
+		groups = "THRU2";
+	};
+
+	pinctrl_thru3_default: thru3_default {
+		function = "THRU3";
+		groups = "THRU3";
+	};
+
+	pinctrl_txd1_default: txd1_default {
+		function = "TXD1";
+		groups = "TXD1";
+	};
+
+	pinctrl_txd2_default: txd2_default {
+		function = "TXD2";
+		groups = "TXD2";
+	};
+
+	pinctrl_txd3_default: txd3_default {
+		function = "TXD3";
+		groups = "TXD3";
+	};
+
+	pinctrl_txd4_default: txd4_default {
+		function = "TXD4";
+		groups = "TXD4";
+	};
+
+	pinctrl_uart10_default: uart10_default {
+		function = "UART10";
+		groups = "UART10";
+	};
+
+	pinctrl_uart11_default: uart11_default {
+		function = "UART11";
+		groups = "UART11";
+	};
+
+	pinctrl_uart12g0_default: uart12g0_default {
+		function = "UART12";
+		groups = "UART12G0";
+	};
+
+	pinctrl_uart12g1_default: uart12g1_default {
+		function = "UART12";
+		groups = "UART12G1";
+	};
+
+	pinctrl_uart13g0_default: uart13g0_default {
+		function = "UART13";
+		groups = "UART13G0";
+	};
+
+	pinctrl_uart13g1_default: uart13g1_default {
+		function = "UART13";
+		groups = "UART13G1";
+	};
+
+	pinctrl_uart6_default: uart6_default {
+		function = "UART6";
+		groups = "UART6";
+	};
+
+	pinctrl_uart7_default: uart7_default {
+		function = "UART7";
+		groups = "UART7";
+	};
+
+	pinctrl_uart8_default: uart8_default {
+		function = "UART8";
+		groups = "UART8";
+	};
+
+	pinctrl_uart9_default: uart9_default {
+		function = "UART9";
+		groups = "UART9";
+	};
+
+	pinctrl_vb_default: vb_default {
+		function = "VB";
+		groups = "VB";
+	};
+
+	pinctrl_vgahs_default: vgahs_default {
+		function = "VGAHS";
+		groups = "VGAHS";
+	};
+
+	pinctrl_vgavs_default: vgavs_default {
+		function = "VGAVS";
+		groups = "VGAVS";
+	};
+
+	pinctrl_wdtrst1_default: wdtrst1_default {
+		function = "WDTRST1";
+		groups = "WDTRST1";
+	};
+
+	pinctrl_wdtrst2_default: wdtrst2_default {
+		function = "WDTRST2";
+		groups = "WDTRST2";
+	};
+
+	pinctrl_wdtrst3_default: wdtrst3_default {
+		function = "WDTRST3";
+		groups = "WDTRST3";
+	};
+
+	pinctrl_wdtrst4_default: wdtrst4_default {
+		function = "WDTRST4";
+		groups = "WDTRST4";
+	};
+};

arch/arm/boot/dts/aspeed-g6.dtsi

+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright 2019 IBM Corp.
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/ast2600-clock.h>
+
+/ {
+	model = "Aspeed BMC";
+	compatible = "aspeed,ast2600";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	interrupt-parent = <&gic>;
+
+	aliases {
+		serial4 = &uart5;
+	};
+
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		enable-method = "aspeed,ast2600-smp";
+
+		cpu@f00 {
+			compatible = "arm,cortex-a7";
+			device_type = "cpu";
+			reg = <0xf00>;
+		};
+
+		cpu@f01 {
+			compatible = "arm,cortex-a7";
+			device_type = "cpu";
+			reg = <0xf01>;
+		};
+	};
+
+	timer {
+		compatible = "arm,armv7-timer";
+		interrupt-parent = <&gic>;
+		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
+		clocks = <&syscon ASPEED_CLK_HPLL>;
+		arm,cpu-registers-not-fw-configured;
+	};
+
+	ahb {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		device_type = "soc";
+		ranges;
+
+		gic: interrupt-controller@40461000 {
+			compatible = "arm,cortex-a7-gic";
+			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
+			#interrupt-cells = <3>;
+			interrupt-controller;
+			interrupt-parent = <&gic>;
+			reg = <0x40461000 0x1000>,
+			    <0x40462000 0x1000>,
+			    <0x40464000 0x2000>,
+			    <0x40466000 0x2000>;
+			};
+
+		mdio0: mdio@1e650000 {
+			compatible = "aspeed,ast2600-mdio";
+			reg = <0x1e650000 0x8>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		mdio1: mdio@1e650008 {
+			compatible = "aspeed,ast2600-mdio";
+			reg = <0x1e650008 0x8>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		mdio2: mdio@1e650010 {
+			compatible = "aspeed,ast2600-mdio";
+			reg = <0x1e650010 0x8>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		mdio3: mdio@1e650018 {
+			compatible = "aspeed,ast2600-mdio";
+			reg = <0x1e650018 0x8>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		mac0: ftgmac@1e660000 {
+			compatible = "aspeed,ast2600-mac", "faraday,ftgmac100";
+			reg = <0x1e660000 0x180>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&syscon ASPEED_CLK_GATE_MAC1CLK>;
+			status = "disabled";
+		};
+
+		mac1: ftgmac@1e680000 {
+			compatible = "aspeed,ast2600-mac", "faraday,ftgmac100";
+			reg = <0x1e680000 0x180>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&syscon ASPEED_CLK_GATE_MAC2CLK>;
+			status = "disabled";
+		};
+
+		mac2: ftgmac@1e670000 {
+			compatible = "aspeed,ast2600-mac", "faraday,ftgmac100";
+			reg = <0x1e670000 0x180>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&syscon ASPEED_CLK_GATE_MAC3CLK>;
+			status = "disabled";
+		};
+
+		mac3: ftgmac@1e690000 {
+			compatible = "aspeed,ast2600-mac", "faraday,ftgmac100";
+			reg = <0x1e690000 0x180>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&syscon ASPEED_CLK_GATE_MAC4CLK>;
+			status = "disabled";
+		};
+
+		apb {
+			compatible = "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			syscon: syscon@1e6e2000 {
+				compatible = "aspeed,ast2600-scu", "syscon", "simple-mfd";
+				reg = <0x1e6e2000 0x1000>;
+				ranges = <0 0x1e6e2000 0x1000>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				#clock-cells = <1>;
+				#reset-cells = <1>;
+
+				pinctrl: pinctrl {
+					compatible = "aspeed,ast2600-pinctrl";
+				};
+
+				smp-memram@180 {
+					compatible = "aspeed,ast2600-smpmem";
+					reg = <0x180 0x40>;
+				};
+			};
+
+			rng: hwrng@1e6e2524 {
+				compatible = "timeriomem_rng";
+				reg = <0x1e6e2524 0x4>;
+				period = <1>;
+				quality = <100>;
+			};
+
+			rtc: rtc@1e781000 {
+				compatible = "aspeed,ast2600-rtc";
+				reg = <0x1e781000 0x18>;
+				interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
+				status = "disabled";
+			};
+
+			uart5: serial@1e784000 {
+				compatible = "ns16550a";
+				reg = <0x1e784000 0x1000>;
+				reg-shift = <2>;
+				interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&syscon ASPEED_CLK_GATE_UART5CLK>;
+				no-loopback-test;
+			};
+
+			wdt1: watchdog@1e785000 {
+				compatible = "aspeed,ast2600-wdt";
+				reg = <0x1e785000 0x40>;
+			};
+
+			wdt2: watchdog@1e785040 {
+				compatible = "aspeed,ast2600-wdt";
+				reg = <0x1e785040 0x40>;
+				status = "disabled";
+			};
+
+			wdt3: watchdog@1e785080 {
+				compatible = "aspeed,ast2600-wdt";
+				reg = <0x1e785080 0x40>;
+				status = "disabled";
+			};
+
+			wdt4: watchdog@1e7850C0 {
+				compatible = "aspeed,ast2600-wdt";
+				reg = <0x1e7850C0 0x40>;
+				status = "disabled";
+			};
+
+			sdc: sdc@1e740000 {
+				compatible = "aspeed,ast2600-sd-controller";
+				reg = <0x1e740000 0x100>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0 0x1e740000 0x10000>;
+				clocks = <&syscon ASPEED_CLK_GATE_SDCLK>;
+				status = "disabled";
+
+				sdhci0: sdhci@1e740100 {
+					compatible = "aspeed,ast2600-sdhci", "sdhci";
+					reg = <0x100 0x100>;
+					interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
+					sdhci,auto-cmd12;
+					clocks = <&syscon ASPEED_CLK_SDIO>;
+					status = "disabled";
+				};
+
+				sdhci1: sdhci@1e740200 {
+					compatible = "aspeed,ast2600-sdhci", "sdhci";
+					reg = <0x200 0x100>;
+					interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
+					sdhci,auto-cmd12;
+					clocks = <&syscon ASPEED_CLK_SDIO>;
+					status = "disabled";
+				};
+			};
+
+			emmc: sdc@1e750000 {
+				compatible = "aspeed,ast2600-sd-controller";
+				reg = <0x1e750000 0x100>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0 0x1e750000 0x10000>;
+				clocks = <&syscon ASPEED_CLK_GATE_EMMCCLK>;
+				status = "disabled";
+
+				sdhci@1e750100 {
+					compatible = "aspeed,ast2600-sdhci";
+					reg = <0x100 0x100>;
+					sdhci,auto-cmd12;
+					interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&syscon ASPEED_CLK_EMMC>;
+					pinctrl-names = "default";
+					pinctrl-0 = <&pinctrl_emmc_default>;
+				};
+			};
+		};
+	};
+};
+
+#include "aspeed-g6-pinctrl.dtsi"

drivers/clk/Makefile

@@ -30,6 +30,7 @@ obj-$(CONFIG_ARCH_EFM32)		+= clk-efm32gg.o
 obj-$(CONFIG_COMMON_CLK_FIXED_MMIO)	+= clk-fixed-mmio.o
 obj-$(CONFIG_COMMON_CLK_GEMINI)		+= clk-gemini.o
 obj-$(CONFIG_COMMON_CLK_ASPEED)		+= clk-aspeed.o
+obj-$(CONFIG_MACH_ASPEED_G6)		+= clk-ast2600.o
 obj-$(CONFIG_ARCH_HIGHBANK)		+= clk-highbank.o
 obj-$(CONFIG_CLK_HSDK)			+= clk-hsdk-pll.o
 obj-$(CONFIG_COMMON_CLK_LOCHNAGAR)	+= clk-lochnagar.o

drivers/clk/clk-aspeed.c

 // SPDX-License-Identifier: GPL-2.0+
+// Copyright IBM Corp
 
 #define pr_fmt(fmt) "clk-aspeed: " fmt
 
-#include <linux/clk-provider.h>
 #include <linux/mfd/syscon.h>
 #include <linux/of_address.h>
 #include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/regmap.h>
-#include <linux/reset-controller.h>
 #include <linux/slab.h>
-#include <linux/spinlock.h>
 
 #include <dt-bindings/clock/aspeed-clock.h>
 
+#include "clk-aspeed.h"
+
 #define ASPEED_NUM_CLKS		36
 
 #define ASPEED_RESET2_OFFSET	32
@@ -42,48 +42,6 @@ static struct clk_hw_onecell_data *aspeed_clk_data;
 
 static void __iomem *scu_base;
 
-/**
- * struct aspeed_gate_data - Aspeed gated clocks
- * @clock_idx: bit used to gate this clock in the clock register
- * @reset_idx: bit used to reset this IP in the reset register. -1 if no
- *             reset is required when enabling the clock
- * @name: the clock name
- * @parent_name: the name of the parent clock
- * @flags: standard clock framework flags
- */
-struct aspeed_gate_data {
-	u8		clock_idx;
-	s8		reset_idx;
-	const char	*name;
-	const char	*parent_name;
-	unsigned long	flags;
-};
-
-/**
- * struct aspeed_clk_gate - Aspeed specific clk_gate structure
- * @hw:		handle between common and hardware-specific interfaces
- * @reg:	register controlling gate
- * @clock_idx:	bit used to gate this clock in the clock register
- * @reset_idx:	bit used to reset this IP in the reset register. -1 if no
- *		reset is required when enabling the clock
- * @flags:	hardware-specific flags
- * @lock:	register lock
- *
- * Some of the clocks in the Aspeed SoC must be put in reset before enabling.
- * This modified version of clk_gate allows an optional reset bit to be
- * specified.
- */
-struct aspeed_clk_gate {
-	struct clk_hw	hw;
-	struct regmap	*map;
-	u8		clock_idx;
-	s8		reset_idx;
-	u8		flags;
-	spinlock_t	*lock;
-};
-
-#define to_aspeed_clk_gate(_hw) container_of(_hw, struct aspeed_clk_gate, hw)
-
 /* TODO: ask Aspeed about the actual parent data */
 static const struct aspeed_gate_data aspeed_gates[] = {
 	/*				 clk rst   name			parent	flags */
@@ -208,13 +166,6 @@ static struct clk_hw *aspeed_ast2500_calc_pll(const char *name, u32 val)
 			mult, div);
 }
 
-struct aspeed_clk_soc_data {
-	const struct clk_div_table *div_table;
-	const struct clk_div_table *eclk_div_table;
-	const struct clk_div_table *mac_div_table;
-	struct clk_hw *(*calc_pll)(const char *name, u32 val);
-};
-
 static const struct aspeed_clk_soc_data ast2500_data = {
 	.div_table = ast2500_div_table,
 	.eclk_div_table = ast2500_eclk_div_table,
@@ -315,18 +266,6 @@ static const struct clk_ops aspeed_clk_gate_ops = {
 	.is_enabled = aspeed_clk_is_enabled,
 };
 
-/**
- * struct aspeed_reset - Aspeed reset controller
- * @map: regmap to access the containing system controller
- * @rcdev: reset controller device
- */
-struct aspeed_reset {
-	struct regmap			*map;
-	struct reset_controller_dev	rcdev;
-};
-
-#define to_aspeed_reset(p) container_of((p), struct aspeed_reset, rcdev)
-
 static const u8 aspeed_resets[] = {
 	/* SCU04 resets */
 	[ASPEED_RESET_XDMA]	= 25,
@@ -500,9 +439,14 @@ static int aspeed_clk_probe(struct platform_device *pdev)
 		return PTR_ERR(hw);
 	aspeed_clk_data->hws[ASPEED_CLK_MPLL] =	hw;
 
-	/* SD/SDIO clock divider (TODO: There's a gate too) */
-	hw = clk_hw_register_divider_table(dev, "sdio", "hpll", 0,
-			scu_base + ASPEED_CLK_SELECTION, 12, 3, 0,
+	/* SD/SDIO clock divider and gate */
+	hw = clk_hw_register_gate(dev, "sd_extclk_gate", "hpll", 0,
+				  scu_base + ASPEED_CLK_SELECTION, 15, 0,
+				  &aspeed_clk_lock);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	hw = clk_hw_register_divider_table(dev, "sd_extclk", "sd_extclk_gate",
+			0, scu_base + ASPEED_CLK_SELECTION, 12, 3, 0,
 			soc_data->div_table,
 			&aspeed_clk_lock);
 	if (IS_ERR(hw))

drivers/clk/clk-aspeed.h

+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Structures used by ASPEED clock drivers
+ *
+ * Copyright 2019 IBM Corp.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/kernel.h>
+#include <linux/reset-controller.h>
+#include <linux/spinlock.h>
+
+struct clk_div_table;
+struct regmap;
+
+/**
+ * struct aspeed_gate_data - Aspeed gated clocks
+ * @clock_idx: bit used to gate this clock in the clock register
+ * @reset_idx: bit used to reset this IP in the reset register. -1 if no
+ *             reset is required when enabling the clock
+ * @name: the clock name
+ * @parent_name: the name of the parent clock
+ * @flags: standard clock framework flags
+ */
+struct aspeed_gate_data {
+	u8		clock_idx;
+	s8		reset_idx;
+	const char	*name;
+	const char	*parent_name;
+	unsigned long	flags;
+};
+
+/**
+ * struct aspeed_clk_gate - Aspeed specific clk_gate structure
+ * @hw:		handle between common and hardware-specific interfaces
+ * @reg:	register controlling gate
+ * @clock_idx:	bit used to gate this clock in the clock register
+ * @reset_idx:	bit used to reset this IP in the reset register. -1 if no
+ *		reset is required when enabling the clock
+ * @flags:	hardware-specific flags
+ * @lock:	register lock
+ *
+ * Some of the clocks in the Aspeed SoC must be put in reset before enabling.
+ * This modified version of clk_gate allows an optional reset bit to be
+ * specified.
+ */
+struct aspeed_clk_gate {
+	struct clk_hw	hw;
+	struct regmap	*map;
+	u8		clock_idx;
+	s8		reset_idx;
+	u8		flags;
+	spinlock_t	*lock;
+};
+
+#define to_aspeed_clk_gate(_hw) container_of(_hw, struct aspeed_clk_gate, hw)
+
+/**
+ * struct aspeed_reset - Aspeed reset controller
+ * @map: regmap to access the containing system controller
+ * @rcdev: reset controller device
+ */
+struct aspeed_reset {
+	struct regmap			*map;
+	struct reset_controller_dev	rcdev;
+};
+
+#define to_aspeed_reset(p) container_of((p), struct aspeed_reset, rcdev)
+
+/**
+ * struct aspeed_clk_soc_data - Aspeed SoC specific divisor information
+ * @div_table: Common divider lookup table
+ * @eclk_div_table: Divider lookup table for ECLK
+ * @mac_div_table: Divider lookup table for MAC (Ethernet) clocks
+ * @calc_pll: Callback to maculate common PLL settings
+ */
+struct aspeed_clk_soc_data {
+	const struct clk_div_table *div_table;
+	const struct clk_div_table *eclk_div_table;
+	const struct clk_div_table *mac_div_table;
+	struct clk_hw *(*calc_pll)(const char *name, u32 val);
+};

drivers/clk/clk-ast2600.c

+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright IBM Corp
+// Copyright ASPEED Technology
+
+#define pr_fmt(fmt) "clk-ast2600: " fmt
+
+#include <linux/mfd/syscon.h>
+#include <linux/of_address.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+
+#include <dt-bindings/clock/ast2600-clock.h>
+
+#include "clk-aspeed.h"
+
+#define ASPEED_G6_NUM_CLKS		67
+
+#define ASPEED_G6_SILICON_REV		0x004
+
+#define ASPEED_G6_RESET_CTRL		0x040
+#define ASPEED_G6_RESET_CTRL2		0x050
+
+#define ASPEED_G6_CLK_STOP_CTRL		0x080
+#define ASPEED_G6_CLK_STOP_CTRL2	0x090
+
+#define ASPEED_G6_MISC_CTRL		0x0C0
+#define  UART_DIV13_EN			BIT(12)
+
+#define ASPEED_G6_CLK_SELECTION1	0x300
+#define ASPEED_G6_CLK_SELECTION2	0x304
+#define ASPEED_G6_CLK_SELECTION4	0x310
+
+#define ASPEED_HPLL_PARAM		0x200
+#define ASPEED_APLL_PARAM		0x210
+#define ASPEED_MPLL_PARAM		0x220
+#define ASPEED_EPLL_PARAM		0x240
+#define ASPEED_DPLL_PARAM		0x260
+
+#define ASPEED_G6_STRAP1		0x500
+
+/* Globally visible clocks */
+static DEFINE_SPINLOCK(aspeed_g6_clk_lock);
+
+/* Keeps track of all clocks */
+static struct clk_hw_onecell_data *aspeed_g6_clk_data;
+
+static void __iomem *scu_g6_base;
+
+/*
+ * Clocks marked with CLK_IS_CRITICAL:
+ *
+ *  ref0 and ref1 are essential for the SoC to operate
+ *  mpll is required if SDRAM is used
+ */
+static const struct aspeed_gate_data aspeed_g6_gates[] = {
+	/*				    clk rst  name		parent	 flags */
+	[ASPEED_CLK_GATE_MCLK]		= {  0, -1, "mclk-gate",	"mpll",	 CLK_IS_CRITICAL }, /* SDRAM */
+	[ASPEED_CLK_GATE_ECLK]		= {  1, -1, "eclk-gate",	"eclk",	 0 },	/* Video Engine */
+	[ASPEED_CLK_GATE_GCLK]		= {  2,  7, "gclk-gate",	NULL,	 0 },	/* 2D engine */
+	/* vclk parent - dclk/d1clk/hclk/mclk */
+	[ASPEED_CLK_GATE_VCLK]		= {  3,  6, "vclk-gate",	NULL,	 0 },	/* Video Capture */
+	[ASPEED_CLK_GATE_BCLK]		= {  4,  8, "bclk-gate",	"bclk",	 0 }, /* PCIe/PCI */
+	/* From dpll */
+	[ASPEED_CLK_GATE_DCLK]		= {  5, -1, "dclk-gate",	NULL,	 CLK_IS_CRITICAL }, /* DAC */
+	[ASPEED_CLK_GATE_REF0CLK]	= {  6, -1, "ref0clk-gate",	"clkin", CLK_IS_CRITICAL },
+	[ASPEED_CLK_GATE_USBPORT2CLK]	= {  7,  3, "usb-port2-gate",	NULL,	 0 },	/* USB2.0 Host port 2 */
+	/* Reserved 8 */
+	[ASPEED_CLK_GATE_USBUHCICLK]	= {  9, 15, "usb-uhci-gate",	NULL,	 0 },	/* USB1.1 (requires port 2 enabled) */
+	/* From dpll/epll/40mhz usb p1 phy/gpioc6/dp phy pll */
+	[ASPEED_CLK_GATE_D1CLK]		= { 10, 13, "d1clk-gate",	"d1clk", 0 },	/* GFX CRT */
+	/* Reserved 11/12 */
+	[ASPEED_CLK_GATE_YCLK]		= { 13,  4, "yclk-gate",	NULL,	 0 },	/* HAC */
+	[ASPEED_CLK_GATE_USBPORT1CLK]	= { 14, 14, "usb-port1-gate",	NULL,	 0 },	/* USB2 hub/USB2 host port 1/USB1.1 dev */
+	[ASPEED_CLK_GATE_UART5CLK]	= { 15, -1, "uart5clk-gate",	"uart",	 0 },	/* UART5 */
+	/* Reserved 16/19 */
+	[ASPEED_CLK_GATE_MAC1CLK]	= { 20, 11, "mac1clk-gate",	"mac12", 0 },	/* MAC1 */
+	[ASPEED_CLK_GATE_MAC2CLK]	= { 21, 12, "mac2clk-gate",	"mac12", 0 },	/* MAC2 */
+	/* Reserved 22/23 */
+	[ASPEED_CLK_GATE_RSACLK]	= { 24,  4, "rsaclk-gate",	NULL,	 0 },	/* HAC */
+	[ASPEED_CLK_GATE_RVASCLK]	= { 25,  9, "rvasclk-gate",	NULL,	 0 },	/* RVAS */
+	/* Reserved 26 */
+	[ASPEED_CLK_GATE_EMMCCLK]	= { 27, 16, "emmcclk-gate",	NULL,	 0 },	/* For card clk */
+	/* Reserved 28/29/30 */
+	[ASPEED_CLK_GATE_LCLK]		= { 32, 32, "lclk-gate",	NULL,	 0 }, /* LPC */
+	[ASPEED_CLK_GATE_ESPICLK]	= { 33, -1, "espiclk-gate",	NULL,	 0 }, /* eSPI */
+	[ASPEED_CLK_GATE_REF1CLK]	= { 34, -1, "ref1clk-gate",	"clkin", CLK_IS_CRITICAL },
+	/* Reserved 35 */
+	[ASPEED_CLK_GATE_SDCLK]		= { 36, 56, "sdclk-gate",	NULL,	 0 },	/* SDIO/SD */
+	[ASPEED_CLK_GATE_LHCCLK]	= { 37, -1, "lhclk-gate",	"lhclk", 0 },	/* LPC master/LPC+ */
+	/* Reserved 38 RSA: no longer used */
+	/* Reserved 39 */
+	[ASPEED_CLK_GATE_I3C0CLK]	= { 40,  40, "i3c0clk-gate",	NULL,	 0 },	/* I3C0 */
+	[ASPEED_CLK_GATE_I3C1CLK]	= { 41,  41, "i3c1clk-gate",	NULL,	 0 },	/* I3C1 */
+	[ASPEED_CLK_GATE_I3C2CLK]	= { 42,  42, "i3c2clk-gate",	NULL,	 0 },	/* I3C2 */
+	[ASPEED_CLK_GATE_I3C3CLK]	= { 43,  43, "i3c3clk-gate",	NULL,	 0 },	/* I3C3 */
+	[ASPEED_CLK_GATE_I3C4CLK]	= { 44,  44, "i3c4clk-gate",	NULL,	 0 },	/* I3C4 */
+	[ASPEED_CLK_GATE_I3C5CLK]	= { 45,  45, "i3c5clk-gate",	NULL,	 0 },	/* I3C5 */
+	[ASPEED_CLK_GATE_I3C6CLK]	= { 46,  46, "i3c6clk-gate",	NULL,	 0 },	/* I3C6 */
+	[ASPEED_CLK_GATE_I3C7CLK]	= { 47,  47, "i3c7clk-gate",	NULL,	 0 },	/* I3C7 */
+	[ASPEED_CLK_GATE_UART1CLK]	= { 48,  -1, "uart1clk-gate",	"uart",	 0 },	/* UART1 */
+	[ASPEED_CLK_GATE_UART2CLK]	= { 49,  -1, "uart2clk-gate",	"uart",	 0 },	/* UART2 */
+	[ASPEED_CLK_GATE_UART3CLK]	= { 50,  -1, "uart3clk-gate",	"uart",  0 },	/* UART3 */
+	[ASPEED_CLK_GATE_UART4CLK]	= { 51,  -1, "uart4clk-gate",	"uart",	 0 },	/* UART4 */
+	[ASPEED_CLK_GATE_MAC3CLK]	= { 52,  52, "mac3clk-gate",	"mac34", 0 },	/* MAC3 */
+	[ASPEED_CLK_GATE_MAC4CLK]	= { 53,  53, "mac4clk-gate",	"mac34", 0 },	/* MAC4 */
+	[ASPEED_CLK_GATE_UART6CLK]	= { 54,  -1, "uart6clk-gate",	"uartx", 0 },	/* UART6 */
+	[ASPEED_CLK_GATE_UART7CLK]	= { 55,  -1, "uart7clk-gate",	"uartx", 0 },	/* UART7 */
+	[ASPEED_CLK_GATE_UART8CLK]	= { 56,  -1, "uart8clk-gate",	"uartx", 0 },	/* UART8 */
+	[ASPEED_CLK_GATE_UART9CLK]	= { 57,  -1, "uart9clk-gate",	"uartx", 0 },	/* UART9 */
+	[ASPEED_CLK_GATE_UART10CLK]	= { 58,  -1, "uart10clk-gate",	"uartx", 0 },	/* UART10 */
+	[ASPEED_CLK_GATE_UART11CLK]	= { 59,  -1, "uart11clk-gate",	"uartx", 0 },	/* UART11 */
+	[ASPEED_CLK_GATE_UART12CLK]	= { 60,  -1, "uart12clk-gate",	"uartx", 0 },	/* UART12 */
+	[ASPEED_CLK_GATE_UART13CLK]	= { 61,  -1, "uart13clk-gate",	"uartx", 0 },	/* UART13 */
+	[ASPEED_CLK_GATE_FSICLK]	= { 62,  59, "fsiclk-gate",	NULL,	 0 },	/* FSI */
+};
+
+static const char * const eclk_parent_names[] = { "mpll", "hpll", "dpll" };
+
+static const struct clk_div_table ast2600_eclk_div_table[] = {
+	{ 0x0, 2 },
+	{ 0x1, 2 },
+	{ 0x2, 3 },
+	{ 0x3, 4 },
+	{ 0x4, 5 },
+	{ 0x5, 6 },
+	{ 0x6, 7 },
+	{ 0x7, 8 },
+	{ 0 }
+};
+
+static const struct clk_div_table ast2600_mac_div_table[] = {
+	{ 0x0, 4 },
+	{ 0x1, 4 },
+	{ 0x2, 6 },
+	{ 0x3, 8 },
+	{ 0x4, 10 },
+	{ 0x5, 12 },
+	{ 0x6, 14 },
+	{ 0x7, 16 },
+	{ 0 }
+};
+
+static const struct clk_div_table ast2600_div_table[] = {
+	{ 0x0, 4 },
+	{ 0x1, 8 },
+	{ 0x2, 12 },
+	{ 0x3, 16 },
+	{ 0x4, 20 },
+	{ 0x5, 24 },
+	{ 0x6, 28 },
+	{ 0x7, 32 },
+	{ 0 }
+};
+
+/* For hpll/dpll/epll/mpll */
+static struct clk_hw *ast2600_calc_pll(const char *name, u32 val)
+{
+	unsigned int mult, div;
+
+	if (val & BIT(24)) {
+		/* Pass through mode */
+		mult = div = 1;
+	} else {
+		/* F = 25Mhz * [(M + 2) / (n + 1)] / (p + 1) */
+		u32 m = val  & 0x1fff;
+		u32 n = (val >> 13) & 0x3f;
+		u32 p = (val >> 19) & 0xf;
+		mult = (m + 1) / (n + 1);
+		div = (p + 1);
+	}
+	return clk_hw_register_fixed_factor(NULL, name, "clkin", 0,
+			mult, div);
+};
+
+static struct clk_hw *ast2600_calc_apll(const char *name, u32 val)
+{
+	unsigned int mult, div;
+
+	if (val & BIT(20)) {
+		/* Pass through mode */
+		mult = div = 1;
+	} else {
+		/* F = 25Mhz * (2-od) * [(m + 2) / (n + 1)] */
+		u32 m = (val >> 5) & 0x3f;
+		u32 od = (val >> 4) & 0x1;
+		u32 n = val & 0xf;
+
+		mult = (2 - od) * (m + 2);
+		div = n + 1;
+	}
+	return clk_hw_register_fixed_factor(NULL, name, "clkin", 0,
+			mult, div);
+};
+
+static u32 get_bit(u8 idx)
+{
+	return BIT(idx % 32);
+}
+
+static u32 get_reset_reg(struct aspeed_clk_gate *gate)
+{
+	if (gate->reset_idx < 32)
+		return ASPEED_G6_RESET_CTRL;
+
+	return ASPEED_G6_RESET_CTRL2;
+}
+
+static u32 get_clock_reg(struct aspeed_clk_gate *gate)
+{
+	if (gate->clock_idx < 32)
+		return ASPEED_G6_CLK_STOP_CTRL;
+
+	return ASPEED_G6_CLK_STOP_CTRL2;
+}
+
+static int aspeed_g6_clk_is_enabled(struct clk_hw *hw)
+{
+	struct aspeed_clk_gate *gate = to_aspeed_clk_gate(hw);
+	u32 clk = get_bit(gate->clock_idx);
+	u32 rst = get_bit(gate->reset_idx);
+	u32 reg;
+	u32 enval;
+
+	/*
+	 * If the IP is in reset, treat the clock as not enabled,
+	 * this happens with some clocks such as the USB one when
+	 * coming from cold reset. Without this, aspeed_clk_enable()
+	 * will fail to lift the reset.
+	 */
+	if (gate->reset_idx >= 0) {
+		regmap_read(gate->map, get_reset_reg(gate), &reg);
+
+		if (reg & rst)
+			return 0;
+	}
+
+	regmap_read(gate->map, get_clock_reg(gate), &reg);
+
+	enval = (gate->flags & CLK_GATE_SET_TO_DISABLE) ? 0 : clk;
+
+	return ((reg & clk) == enval) ? 1 : 0;
+}
+
+static int aspeed_g6_clk_enable(struct clk_hw *hw)
+{
+	struct aspeed_clk_gate *gate = to_aspeed_clk_gate(hw);
+	unsigned long flags;
+	u32 clk = get_bit(gate->clock_idx);
+	u32 rst = get_bit(gate->reset_idx);
+
+	spin_lock_irqsave(gate->lock, flags);
+
+	if (aspeed_g6_clk_is_enabled(hw)) {
+		spin_unlock_irqrestore(gate->lock, flags);
+		return 0;
+	}
+
+	if (gate->reset_idx >= 0) {
+		/* Put IP in reset */
+		regmap_write(gate->map, get_reset_reg(gate), rst);
+		/* Delay 100us */
+		udelay(100);
+	}
+
+	/* Enable clock */
+	if (gate->flags & CLK_GATE_SET_TO_DISABLE) {
+		regmap_write(gate->map, get_clock_reg(gate), clk);
+	} else {
+		/* Use set to clear register */
+		regmap_write(gate->map, get_clock_reg(gate) + 0x04, clk);
+	}
+
+	if (gate->reset_idx >= 0) {
+		/* A delay of 10ms is specified by the ASPEED docs */
+		mdelay(10);
+		/* Take IP out of reset */
+		regmap_write(gate->map, get_reset_reg(gate) + 0x4, rst);
+	}
+
+	spin_unlock_irqrestore(gate->lock, flags);
+
+	return 0;
+}
+
+static void aspeed_g6_clk_disable(struct clk_hw *hw)
+{
+	struct aspeed_clk_gate *gate = to_aspeed_clk_gate(hw);
+	unsigned long flags;
+	u32 clk = get_bit(gate->clock_idx);
+
+	spin_lock_irqsave(gate->lock, flags);
+
+	if (gate->flags & CLK_GATE_SET_TO_DISABLE) {
+		regmap_write(gate->map, get_clock_reg(gate), clk);
+	} else {
+		/* Use set to clear register */
+		regmap_write(gate->map, get_clock_reg(gate) + 0x4, clk);
+	}
+
+	spin_unlock_irqrestore(gate->lock, flags);
+}
+
+static const struct clk_ops aspeed_g6_clk_gate_ops = {
+	.enable = aspeed_g6_clk_enable,
+	.disable = aspeed_g6_clk_disable,
+	.is_enabled = aspeed_g6_clk_is_enabled,
+};
+
+static int aspeed_g6_reset_deassert(struct reset_controller_dev *rcdev,
+				    unsigned long id)
+{
+	struct aspeed_reset *ar = to_aspeed_reset(rcdev);
+	u32 rst = get_bit(id);
+	u32 reg = id >= 32 ? ASPEED_G6_RESET_CTRL2 : ASPEED_G6_RESET_CTRL;
+
+	/* Use set to clear register */
+	return regmap_write(ar->map, reg + 0x04, rst);
+}
+
+static int aspeed_g6_reset_assert(struct reset_controller_dev *rcdev,
+				  unsigned long id)
+{
+	struct aspeed_reset *ar = to_aspeed_reset(rcdev);
+	u32 rst = get_bit(id);
+	u32 reg = id >= 32 ? ASPEED_G6_RESET_CTRL2 : ASPEED_G6_RESET_CTRL;
+
+	return regmap_write(ar->map, reg, rst);
+}
+
+static int aspeed_g6_reset_status(struct reset_controller_dev *rcdev,
+				  unsigned long id)
+{
+	struct aspeed_reset *ar = to_aspeed_reset(rcdev);
+	int ret;
+	u32 val;
+	u32 rst = get_bit(id);
+	u32 reg = id >= 32 ? ASPEED_G6_RESET_CTRL2 : ASPEED_G6_RESET_CTRL;
+
+	ret = regmap_read(ar->map, reg, &val);
+	if (ret)
+		return ret;
+
+	return !!(val & rst);
+}
+
+static const struct reset_control_ops aspeed_g6_reset_ops = {
+	.assert = aspeed_g6_reset_assert,
+	.deassert = aspeed_g6_reset_deassert,
+	.status = aspeed_g6_reset_status,
+};
+
+static struct clk_hw *aspeed_g6_clk_hw_register_gate(struct device *dev,
+		const char *name, const char *parent_name, unsigned long flags,
+		struct regmap *map, u8 clock_idx, u8 reset_idx,
+		u8 clk_gate_flags, spinlock_t *lock)
+{
+	struct aspeed_clk_gate *gate;
+	struct clk_init_data init;
+	struct clk_hw *hw;
+	int ret;
+
+	gate = kzalloc(sizeof(*gate), GFP_KERNEL);
+	if (!gate)
+		return ERR_PTR(-ENOMEM);
+
+	init.name = name;
+	init.ops = &aspeed_g6_clk_gate_ops;
+	init.flags = flags;
+	init.parent_names = parent_name ? &parent_name : NULL;
+	init.num_parents = parent_name ? 1 : 0;
+
+	gate->map = map;
+	gate->clock_idx = clock_idx;
+	gate->reset_idx = reset_idx;
+	gate->flags = clk_gate_flags;
+	gate->lock = lock;
+	gate->hw.init = &init;
+
+	hw = &gate->hw;
+	ret = clk_hw_register(dev, hw);
+	if (ret) {
+		kfree(gate);
+		hw = ERR_PTR(ret);
+	}
+
+	return hw;
+}
+
+static const char * const vclk_parent_names[] = {
+	"dpll",
+	"d1pll",
+	"hclk",
+	"mclk",
+};
+
+static const char * const d1clk_parent_names[] = {
+	"dpll",
+	"epll",
+	"usb-phy-40m",
+	"gpioc6_clkin",
+	"dp_phy_pll",
+};
+
+static int aspeed_g6_clk_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct aspeed_reset *ar;
+	struct regmap *map;
+	struct clk_hw *hw;
+	u32 val, rate;
+	int i, ret;
+
+	map = syscon_node_to_regmap(dev->of_node);
+	if (IS_ERR(map)) {
+		dev_err(dev, "no syscon regmap\n");
+		return PTR_ERR(map);
+	}
+
+	ar = devm_kzalloc(dev, sizeof(*ar), GFP_KERNEL);
+	if (!ar)
+		return -ENOMEM;
+
+	ar->map = map;
+
+	ar->rcdev.owner = THIS_MODULE;
+	ar->rcdev.nr_resets = 64;
+	ar->rcdev.ops = &aspeed_g6_reset_ops;
+	ar->rcdev.of_node = dev->of_node;
+
+	ret = devm_reset_controller_register(dev, &ar->rcdev);
+	if (ret) {
+		dev_err(dev, "could not register reset controller\n");
+		return ret;
+	}
+
+	/* UART clock div13 setting */
+	regmap_read(map, ASPEED_G6_MISC_CTRL, &val);
+	if (val & UART_DIV13_EN)
+		rate = 24000000 / 13;
+	else
+		rate = 24000000;
+	hw = clk_hw_register_fixed_rate(dev, "uart", NULL, 0, rate);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_UART] = hw;
+
+	/* UART6~13 clock div13 setting */
+	regmap_read(map, 0x80, &val);
+	if (val & BIT(31))
+		rate = 24000000 / 13;
+	else
+		rate = 24000000;
+	hw = clk_hw_register_fixed_rate(dev, "uartx", NULL, 0, rate);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_UARTX] = hw;
+
+	/* EMMC ext clock divider */
+	hw = clk_hw_register_gate(dev, "emmc_extclk_gate", "hpll", 0,
+			scu_g6_base + ASPEED_G6_CLK_SELECTION1, 15, 0,
+			&aspeed_g6_clk_lock);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	hw = clk_hw_register_divider_table(dev, "emmc_extclk", "emmc_extclk_gate", 0,
+			scu_g6_base + ASPEED_G6_CLK_SELECTION1, 12, 3, 0,
+			ast2600_div_table,
+			&aspeed_g6_clk_lock);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_EMMC] = hw;
+
+	/* SD/SDIO clock divider and gate */
+	hw = clk_hw_register_gate(dev, "sd_extclk_gate", "hpll", 0,
+			scu_g6_base + ASPEED_G6_CLK_SELECTION4, 31, 0,
+			&aspeed_g6_clk_lock);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	hw = clk_hw_register_divider_table(dev, "sd_extclk", "sd_extclk_gate",
+			0, scu_g6_base + ASPEED_G6_CLK_SELECTION4, 28, 3, 0,
+			ast2600_div_table,
+			&aspeed_g6_clk_lock);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_SDIO] = hw;
+
+	/* MAC1/2 AHB bus clock divider */
+	hw = clk_hw_register_divider_table(dev, "mac12", "hpll", 0,
+			scu_g6_base + ASPEED_G6_CLK_SELECTION1, 16, 3, 0,
+			ast2600_mac_div_table,
+			&aspeed_g6_clk_lock);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_MAC12] = hw;
+
+	/* MAC3/4 AHB bus clock divider */
+	hw = clk_hw_register_divider_table(dev, "mac34", "hpll", 0,
+			scu_g6_base + 0x310, 24, 3, 0,
+			ast2600_mac_div_table,
+			&aspeed_g6_clk_lock);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_MAC34] = hw;
+
+	/* LPC Host (LHCLK) clock divider */
+	hw = clk_hw_register_divider_table(dev, "lhclk", "hpll", 0,
+			scu_g6_base + ASPEED_G6_CLK_SELECTION1, 20, 3, 0,
+			ast2600_div_table,
+			&aspeed_g6_clk_lock);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_LHCLK] = hw;
+
+	/* gfx d1clk : use dp clk */
+	regmap_update_bits(map, ASPEED_G6_CLK_SELECTION1, GENMASK(10, 8), BIT(10));
+	/* SoC Display clock selection */
+	hw = clk_hw_register_mux(dev, "d1clk", d1clk_parent_names,
+			ARRAY_SIZE(d1clk_parent_names), 0,
+			scu_g6_base + ASPEED_G6_CLK_SELECTION1, 8, 3, 0,
+			&aspeed_g6_clk_lock);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_D1CLK] = hw;
+
+	/* d1 clk div 0x308[17:15] x [14:12] - 8,7,6,5,4,3,2,1 */
+	regmap_write(map, 0x308, 0x12000); /* 3x3 = 9 */
+
+	/* P-Bus (BCLK) clock divider */
+	hw = clk_hw_register_divider_table(dev, "bclk", "hpll", 0,
+			scu_g6_base + ASPEED_G6_CLK_SELECTION1, 20, 3, 0,
+			ast2600_div_table,
+			&aspeed_g6_clk_lock);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_BCLK] = hw;
+
+	/* Video Capture clock selection */
+	hw = clk_hw_register_mux(dev, "vclk", vclk_parent_names,
+			ARRAY_SIZE(vclk_parent_names), 0,
+			scu_g6_base + ASPEED_G6_CLK_SELECTION2, 12, 3, 0,
+			&aspeed_g6_clk_lock);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_VCLK] = hw;
+
+	/* Video Engine clock divider */
+	hw = clk_hw_register_divider_table(dev, "eclk", NULL, 0,
+			scu_g6_base + ASPEED_G6_CLK_SELECTION1, 28, 3, 0,
+			ast2600_eclk_div_table,
+			&aspeed_g6_clk_lock);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_ECLK] = hw;
+
+	for (i = 0; i < ARRAY_SIZE(aspeed_g6_gates); i++) {
+		const struct aspeed_gate_data *gd = &aspeed_g6_gates[i];
+		u32 gate_flags;
+
+		/*
+		 * Special case: the USB port 1 clock (bit 14) is always
+		 * working the opposite way from the other ones.
+		 */
+		gate_flags = (gd->clock_idx == 14) ? 0 : CLK_GATE_SET_TO_DISABLE;
+		hw = aspeed_g6_clk_hw_register_gate(dev,
+				gd->name,
+				gd->parent_name,
+				gd->flags,
+				map,
+				gd->clock_idx,
+				gd->reset_idx,
+				gate_flags,
+				&aspeed_g6_clk_lock);
+		if (IS_ERR(hw))
+			return PTR_ERR(hw);
+		aspeed_g6_clk_data->hws[i] = hw;
+	}
+
+	return 0;
+};
+
+static const struct of_device_id aspeed_g6_clk_dt_ids[] = {
+	{ .compatible = "aspeed,ast2600-scu" },
+	{ }
+};
+
+static struct platform_driver aspeed_g6_clk_driver = {
+	.probe  = aspeed_g6_clk_probe,
+	.driver = {
+		.name = "ast2600-clk",
+		.of_match_table = aspeed_g6_clk_dt_ids,
+		.suppress_bind_attrs = true,
+	},
+};
+builtin_platform_driver(aspeed_g6_clk_driver);
+
+static const u32 ast2600_a0_axi_ahb_div_table[] = {
+	2, 2, 3, 5,
+};
+
+static const u32 ast2600_a1_axi_ahb_div_table[] = {
+	4, 6, 2, 4,
+};
+
+static void __init aspeed_g6_cc(struct regmap *map)
+{
+	struct clk_hw *hw;
+	u32 val, div, chip_id, axi_div, ahb_div;
+
+	clk_hw_register_fixed_rate(NULL, "clkin", NULL, 0, 25000000);
+
+	/*
+	 * High-speed PLL clock derived from the crystal. This the CPU clock,
+	 * and we assume that it is enabled
+	 */
+	regmap_read(map, ASPEED_HPLL_PARAM, &val);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_HPLL] = ast2600_calc_pll("hpll", val);
+
+	regmap_read(map, ASPEED_MPLL_PARAM, &val);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_MPLL] = ast2600_calc_pll("mpll", val);
+
+	regmap_read(map, ASPEED_DPLL_PARAM, &val);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_DPLL] = ast2600_calc_pll("dpll", val);
+
+	regmap_read(map, ASPEED_EPLL_PARAM, &val);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_EPLL] = ast2600_calc_pll("epll", val);
+
+	regmap_read(map, ASPEED_APLL_PARAM, &val);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_APLL] = ast2600_calc_apll("apll", val);
+
+	/* Strap bits 12:11 define the AXI/AHB clock frequency ratio (aka HCLK)*/
+	regmap_read(map, ASPEED_G6_STRAP1, &val);
+	if (val & BIT(16))
+		axi_div = 1;
+	else
+		axi_div = 2;
+
+	regmap_read(map, ASPEED_G6_SILICON_REV, &chip_id);
+	if (chip_id & BIT(16))
+		ahb_div = ast2600_a1_axi_ahb_div_table[(val >> 11) & 0x3];
+	else
+		ahb_div = ast2600_a0_axi_ahb_div_table[(val >> 11) & 0x3];
+
+	hw = clk_hw_register_fixed_factor(NULL, "ahb", "hpll", 0, 1, axi_div * ahb_div);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_AHB] = hw;
+
+	regmap_read(map, ASPEED_G6_CLK_SELECTION1, &val);
+	val = (val >> 23) & 0x7;
+	div = 4 * (val + 1);
+	hw = clk_hw_register_fixed_factor(NULL, "apb1", "hpll", 0, 1, div);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_APB1] = hw;
+
+	regmap_read(map, ASPEED_G6_CLK_SELECTION4, &val);
+	val = (val >> 9) & 0x7;
+	div = 2 * (val + 1);
+	hw = clk_hw_register_fixed_factor(NULL, "apb2", "ahb", 0, 1, div);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_APB2] = hw;
+
+	/* USB 2.0 port1 phy 40MHz clock */
+	hw = clk_hw_register_fixed_rate(NULL, "usb-phy-40m", NULL, 0, 40000000);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_USBPHY_40M] = hw;
+};
+
+static void __init aspeed_g6_cc_init(struct device_node *np)
+{
+	struct regmap *map;
+	int ret;
+	int i;
+
+	scu_g6_base = of_iomap(np, 0);
+	if (!scu_g6_base)
+		return;
+
+	aspeed_g6_clk_data = kzalloc(struct_size(aspeed_g6_clk_data, hws,
+				      ASPEED_G6_NUM_CLKS), GFP_KERNEL);
+	if (!aspeed_g6_clk_data)
+		return;
+
+	/*
+	 * This way all clocks fetched before the platform device probes,
+	 * except those we assign here for early use, will be deferred.
+	 */
+	for (i = 0; i < ASPEED_G6_NUM_CLKS; i++)
+		aspeed_g6_clk_data->hws[i] = ERR_PTR(-EPROBE_DEFER);
+
+	/*
+	 * We check that the regmap works on this very first access,
+	 * but as this is an MMIO-backed regmap, subsequent regmap
+	 * access is not going to fail and we skip error checks from
+	 * this point.
+	 */
+	map = syscon_node_to_regmap(np);
+	if (IS_ERR(map)) {
+		pr_err("no syscon regmap\n");
+		return;
+	}
+
+	aspeed_g6_cc(map);
+	aspeed_g6_clk_data->num = ASPEED_G6_NUM_CLKS;
+	ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, aspeed_g6_clk_data);
+	if (ret)
+		pr_err("failed to add DT provider: %d\n", ret);
+};
+CLK_OF_DECLARE_DRIVER(aspeed_cc_g6, "aspeed,ast2600-scu", aspeed_g6_cc_init);

include/dt-bindings/clock/ast2600-clock.h

+/* SPDX-License-Identifier: GPL-2.0-or-later OR MIT */
+#ifndef DT_BINDINGS_AST2600_CLOCK_H
+#define DT_BINDINGS_AST2600_CLOCK_H
+
+#define ASPEED_CLK_GATE_ECLK		0
+#define ASPEED_CLK_GATE_GCLK		1
+
+#define ASPEED_CLK_GATE_MCLK		2
+
+#define ASPEED_CLK_GATE_VCLK		3
+#define ASPEED_CLK_GATE_BCLK		4
+#define ASPEED_CLK_GATE_DCLK		5
+
+#define ASPEED_CLK_GATE_LCLK		6
+#define ASPEED_CLK_GATE_LHCCLK		7
+
+#define ASPEED_CLK_GATE_D1CLK		8
+#define ASPEED_CLK_GATE_YCLK		9
+
+#define ASPEED_CLK_GATE_REF0CLK		10
+#define ASPEED_CLK_GATE_REF1CLK		11
+
+#define ASPEED_CLK_GATE_ESPICLK		12
+
+#define ASPEED_CLK_GATE_USBUHCICLK	13
+#define ASPEED_CLK_GATE_USBPORT1CLK	14
+#define ASPEED_CLK_GATE_USBPORT2CLK	15
+
+#define ASPEED_CLK_GATE_RSACLK		16
+#define ASPEED_CLK_GATE_RVASCLK		17
+
+#define ASPEED_CLK_GATE_MAC1CLK		18
+#define ASPEED_CLK_GATE_MAC2CLK		19
+#define ASPEED_CLK_GATE_MAC3CLK		20
+#define ASPEED_CLK_GATE_MAC4CLK		21
+
+#define ASPEED_CLK_GATE_UART1CLK	22
+#define ASPEED_CLK_GATE_UART2CLK	23
+#define ASPEED_CLK_GATE_UART3CLK	24
+#define ASPEED_CLK_GATE_UART4CLK	25
+#define ASPEED_CLK_GATE_UART5CLK	26
+#define ASPEED_CLK_GATE_UART6CLK	27
+#define ASPEED_CLK_GATE_UART7CLK	28
+#define ASPEED_CLK_GATE_UART8CLK	29
+#define ASPEED_CLK_GATE_UART9CLK	30
+#define ASPEED_CLK_GATE_UART10CLK	31
+#define ASPEED_CLK_GATE_UART11CLK	32
+#define ASPEED_CLK_GATE_UART12CLK	33
+#define ASPEED_CLK_GATE_UART13CLK	34
+
+#define ASPEED_CLK_GATE_SDCLK		35
+#define ASPEED_CLK_GATE_EMMCCLK		36
+
+#define ASPEED_CLK_GATE_I3C0CLK		37
+#define ASPEED_CLK_GATE_I3C1CLK		38
+#define ASPEED_CLK_GATE_I3C2CLK		39
+#define ASPEED_CLK_GATE_I3C3CLK		40
+#define ASPEED_CLK_GATE_I3C4CLK		41
+#define ASPEED_CLK_GATE_I3C5CLK		42
+#define ASPEED_CLK_GATE_I3C6CLK		43
+#define ASPEED_CLK_GATE_I3C7CLK		44
+
+#define ASPEED_CLK_GATE_FSICLK		45
+
+#define ASPEED_CLK_HPLL			46
+#define ASPEED_CLK_MPLL			47
+#define ASPEED_CLK_DPLL			48
+#define ASPEED_CLK_EPLL			49
+#define ASPEED_CLK_APLL			50
+#define ASPEED_CLK_AHB			51
+#define ASPEED_CLK_APB1			52
+#define ASPEED_CLK_APB2			53
+#define ASPEED_CLK_BCLK			54
+#define ASPEED_CLK_D1CLK		55
+#define ASPEED_CLK_VCLK			56
+#define ASPEED_CLK_LHCLK		57
+#define ASPEED_CLK_UART			58
+#define ASPEED_CLK_UARTX		59
+#define ASPEED_CLK_SDIO			60
+#define ASPEED_CLK_EMMC			61
+#define ASPEED_CLK_ECLK			62
+#define ASPEED_CLK_ECLK_MUX		63
+#define ASPEED_CLK_MAC12		64
+#define ASPEED_CLK_MAC34		65
+#define ASPEED_CLK_USBPHY_40M		66
+
+/* Only list resets here that are not part of a gate */
+#define ASPEED_RESET_ADC		55
+#define ASPEED_RESET_JTAG_MASTER2	54
+#define ASPEED_RESET_I3C_DMA		39
+#define ASPEED_RESET_PWM		37
+#define ASPEED_RESET_PECI		36
+#define ASPEED_RESET_MII		35
+#define ASPEED_RESET_I2C		34
+#define ASPEED_RESET_H2X		31
+#define ASPEED_RESET_GP_MCU		30
+#define ASPEED_RESET_DP_MCU		29
+#define ASPEED_RESET_DP			28
+#define ASPEED_RESET_RC_XDMA		27
+#define ASPEED_RESET_GRAPHICS		26
+#define ASPEED_RESET_DEV_XDMA		25
+#define ASPEED_RESET_DEV_MCTP		24
+#define ASPEED_RESET_RC_MCTP		23
+#define ASPEED_RESET_JTAG_MASTER	22
+#define ASPEED_RESET_PCIE_DEV_O		21
+#define ASPEED_RESET_PCIE_DEV_OEN	20
+#define ASPEED_RESET_PCIE_RC_O		19
+#define ASPEED_RESET_PCIE_RC_OEN	18
+#define ASPEED_RESET_PCI_DP		5
+#define ASPEED_RESET_AHB		1
+#define ASPEED_RESET_SDRAM		0
+
+#endif