arm64: dts: Add ipq5018 SoC and rdp432-c2 board support

Add initial device tree support for the Qualcomm IPQ5018 SoC and
rdp432-c2 board.

Few things like 'reboot' does not work because, couple of more 'SCM'
APIS are needed to clear some TrustZone settings. Those will be
posted separately.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Co-developed-by: Varadarajan Narayanan <quic_varada@quicinc.com>
Signed-off-by: Varadarajan Narayanan <quic_varada@quicinc.com>
Co-developed-by: Gokul Sriram Palanisamy <quic_gokulsri@quicinc.com>
Signed-off-by: Gokul Sriram Palanisamy <quic_gokulsri@quicinc.com>
Signed-off-by: Sricharan Ramabadhran <quic_srichara@quicinc.com>
Link: https://lore.kernel.org/r/1690533192-22220-6-git-send-email-quic_srichara@quicinc.comSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/Makefile

@@ -4,6 +4,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= apq8039-t2.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= apq8094-sony-xperia-kitakami-karin_windy.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= apq8096-db820c.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= apq8096-ifc6640.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= ipq5018-rdp432-c2.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp441.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp442.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp468.dtb

arch/arm64/boot/dts/qcom/ipq5018-rdp432-c2.dts

+// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
+/*
+ * IPQ5018 MP03.1-C2 board device tree source
+ *
+ * Copyright (c) 2023 The Linux Foundation. All rights reserved.
+ */
+
+/dts-v1/;
+
+#include "ipq5018.dtsi"
+
+/ {
+	model = "Qualcomm Technologies, Inc. IPQ5018/AP-RDP432.1-C2";
+	compatible = "qcom,ipq5018-rdp432-c2", "qcom,ipq5018";
+
+	aliases {
+		serial0 = &blsp1_uart1;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&blsp1_uart1 {
+	pinctrl-0 = <&uart1_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&sdhc_1 {
+	pinctrl-0 = <&sdc_default_state>;
+	pinctrl-names = "default";
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
+	max-frequency = <192000000>;
+	bus-width = <4>;
+	status = "okay";
+};
+
+&sleep_clk {
+	clock-frequency = <32000>;
+};
+
+&tlmm {
+	sdc_default_state: sdc-default-state {
+		clk-pins {
+			pins = "gpio9";
+			function = "sdc1_clk";
+			drive-strength = <8>;
+			bias-disable;
+		};
+
+		cmd-pins {
+			pins = "gpio8";
+			function = "sdc1_cmd";
+			drive-strength = <8>;
+			bias-pull-up;
+		};
+
+		data-pins {
+			pins = "gpio4", "gpio5", "gpio6", "gpio7";
+			function = "sdc1_data";
+			drive-strength = <8>;
+			bias-disable;
+		};
+	};
+};
+
+&xo_board_clk {
+	clock-frequency = <24000000>;
+};

arch/arm64/boot/dts/qcom/ipq5018.dtsi

+// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
+/*
+ * IPQ5018 SoC device tree source
+ *
+ * Copyright (c) 2023 The Linux Foundation. All rights reserved.
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/qcom,gcc-ipq5018.h>
+#include <dt-bindings/reset/qcom,gcc-ipq5018.h>
+
+/ {
+	interrupt-parent = <&intc>;
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	clocks {
+		sleep_clk: sleep-clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+		};
+
+		xo_board_clk: xo-board-clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+		};
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		CPU0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <0x0>;
+			enable-method = "psci";
+			next-level-cache = <&L2_0>;
+		};
+
+		CPU1: cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <0x1>;
+			enable-method = "psci";
+			next-level-cache = <&L2_0>;
+		};
+
+		L2_0: l2-cache {
+			compatible = "cache";
+			cache-level = <2>;
+			cache-size = <0x80000>;
+			cache-unified;
+		};
+	};
+
+	firmware {
+		scm {
+			compatible = "qcom,scm-ipq5018", "qcom,scm";
+		};
+	};
+
+	memory@40000000 {
+		device_type = "memory";
+		/* We expect the bootloader to fill in the size */
+		reg = <0x0 0x40000000 0x0 0x0>;
+	};
+
+	pmu {
+		compatible = "arm,cortex-a53-pmu";
+		interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+	};
+
+	psci {
+		compatible = "arm,psci-1.0";
+		method = "smc";
+	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		tz_region: tz@4ac00000 {
+			reg = <0x0 0x4ac00000 0x0 0x200000>;
+			no-map;
+		};
+	};
+
+	soc: soc@0 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0 0 0 0xffffffff>;
+
+		tlmm: pinctrl@1000000 {
+			compatible = "qcom,ipq5018-tlmm";
+			reg = <0x01000000 0x300000>;
+			interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			gpio-ranges = <&tlmm 0 0 47>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			uart1_pins: uart1-state {
+				pins = "gpio31", "gpio32", "gpio33", "gpio34";
+				function = "blsp1_uart1";
+				drive-strength = <8>;
+				bias-pull-down;
+			};
+		};
+
+		gcc: clock-controller@1800000 {
+			compatible = "qcom,gcc-ipq5018";
+			reg = <0x01800000 0x80000>;
+			clocks = <&xo_board_clk>,
+				 <&sleep_clk>,
+				 <0>,
+				 <0>,
+				 <0>,
+				 <0>,
+				 <0>,
+				 <0>,
+				 <0>;
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+			#power-domain-cells = <1>;
+		};
+
+		sdhc_1: mmc@7804000 {
+			compatible = "qcom,ipq5018-sdhci", "qcom,sdhci-msm-v5";
+			reg = <0x7804000 0x1000>;
+			reg-names = "hc";
+
+			interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "hc_irq", "pwr_irq";
+
+			clocks = <&gcc GCC_SDCC1_AHB_CLK>,
+				 <&gcc GCC_SDCC1_APPS_CLK>,
+				 <&xo_board_clk>;
+			clock-names = "iface", "core", "xo";
+			non-removable;
+			status = "disabled";
+		};
+
+		blsp1_uart1: serial@78af000 {
+			compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
+			reg = <0x078af000 0x200>;
+			interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&gcc GCC_BLSP1_UART1_APPS_CLK>,
+				 <&gcc GCC_BLSP1_AHB_CLK>;
+			clock-names = "core", "iface";
+			status = "disabled";
+		};
+
+		intc: interrupt-controller@b000000 {
+			compatible = "qcom,msm-qgic2";
+			reg = <0x0b000000 0x1000>,  /* GICD */
+			      <0x0b002000 0x2000>,  /* GICC */
+			      <0x0b001000 0x1000>,  /* GICH */
+			      <0x0b004000 0x2000>;  /* GICV */
+			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+			interrupt-controller;
+			#interrupt-cells = <3>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x0b00a000 0x1ffa>;
+
+			v2m0: v2m@0 {
+				compatible = "arm,gic-v2m-frame";
+				reg = <0x00000000 0xff8>;
+				msi-controller;
+			};
+
+			v2m1: v2m@1000 {
+				compatible = "arm,gic-v2m-frame";
+				reg = <0x00001000 0xff8>;
+				msi-controller;
+			};
+		};
+
+		timer@b120000 {
+			compatible = "arm,armv7-timer-mem";
+			reg = <0x0b120000 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			frame@b120000 {
+				reg = <0x0b121000 0x1000>,
+				      <0x0b122000 0x1000>;
+				interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+				frame-number = <0>;
+			};
+
+			frame@b123000 {
+				reg = <0xb123000 0x1000>;
+				interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
+				frame-number = <1>;
+				status = "disabled";
+			};
+
+			frame@b124000 {
+				frame-number = <2>;
+				interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x0b124000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@b125000 {
+				reg = <0x0b125000 0x1000>;
+				interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
+				frame-number = <3>;
+				status = "disabled";
+			};
+
+			frame@b126000 {
+				reg = <0x0b126000 0x1000>;
+				interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
+				frame-number = <4>;
+				status = "disabled";
+			};
+
+			frame@b127000 {
+				reg = <0x0b127000 0x1000>;
+				interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
+				frame-number = <5>;
+				status = "disabled";
+			};
+
+			frame@b128000 {
+				reg = <0x0b128000 0x1000>;
+				interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
+				frame-number = <6>;
+				status = "disabled";
+			};
+		};
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		interrupts = <GIC_PPI 2 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 3 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 4 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 1 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+	};
+};