Merge tag 'clk-meson-v5.4-2' of https://github.com/BayLibre/clk-meson into clk-meson

Pull second set of Amlogic clk driver updates from Jerome Brunet:

 - Add g12a reset support to the axg audio clock controller
 - Add sm1 support to the g12a clock controller

* tag 'clk-meson-v5.4-2' of https://github.com/BayLibre/clk-meson:
  clk: meson: g12a: add support for SM1 CPU 1, 2 & 3 clocks
  clk: meson: g12a: add support for SM1 DynamIQ Shared Unit clock
  clk: meson: g12a: add support for SM1 GP1 PLL
  dt-bindings: clk: meson: add sm1 periph clock controller bindings
  clk: meson: axg-audio: add g12a reset support
  dt-bindings: clock: meson: add resets to the audio clock controller

Documentation/devicetree/bindings/clock/amlogic,axg-audio-clkc.txt

@@ -22,6 +22,7 @@ Required Properties:
 				       components.
 - resets	: phandle of the internal reset line
 - #clock-cells	: should be 1.
+- #reset-cells  : should be 1 on the g12a (and following) soc family
 
 Each clock is assigned an identifier and client nodes can use this identifier
 to specify the clock which they consume. All available clocks are defined as

Documentation/devicetree/bindings/clock/amlogic,gxbb-clkc.txt

@@ -11,6 +11,7 @@ Required Properties:
 		"amlogic,axg-clkc" for AXG SoC.
 		"amlogic,g12a-clkc" for G12A SoC.
 		"amlogic,g12b-clkc" for G12B SoC.
+		"amlogic,sm1-clkc" for SM1 SoC.
 - clocks : list of clock phandle, one for each entry clock-names.
 - clock-names : should contain the following:
   * "xtal": the platform xtal

drivers/clk/meson/axg-audio.c

@@ -12,6 +12,7 @@
 #include <linux/platform_device.h>
 #include <linux/regmap.h>
 #include <linux/reset.h>
+#include <linux/reset-controller.h>
 #include <linux/slab.h>
 
 #include "axg-audio.h"
@@ -918,6 +919,84 @@ static int devm_clk_get_enable(struct device *dev, char *id)
 	return 0;
 }
 
+struct axg_audio_reset_data {
+	struct reset_controller_dev rstc;
+	struct regmap *map;
+	unsigned int offset;
+};
+
+static void axg_audio_reset_reg_and_bit(struct axg_audio_reset_data *rst,
+					unsigned long id,
+					unsigned int *reg,
+					unsigned int *bit)
+{
+	unsigned int stride = regmap_get_reg_stride(rst->map);
+
+	*reg = (id / (stride * BITS_PER_BYTE)) * stride;
+	*reg += rst->offset;
+	*bit = id % (stride * BITS_PER_BYTE);
+}
+
+static int axg_audio_reset_update(struct reset_controller_dev *rcdev,
+				unsigned long id, bool assert)
+{
+	struct axg_audio_reset_data *rst =
+		container_of(rcdev, struct axg_audio_reset_data, rstc);
+	unsigned int offset, bit;
+
+	axg_audio_reset_reg_and_bit(rst, id, &offset, &bit);
+
+	regmap_update_bits(rst->map, offset, BIT(bit),
+			assert ? BIT(bit) : 0);
+
+	return 0;
+}
+
+static int axg_audio_reset_status(struct reset_controller_dev *rcdev,
+				unsigned long id)
+{
+	struct axg_audio_reset_data *rst =
+		container_of(rcdev, struct axg_audio_reset_data, rstc);
+	unsigned int val, offset, bit;
+
+	axg_audio_reset_reg_and_bit(rst, id, &offset, &bit);
+
+	regmap_read(rst->map, offset, &val);
+
+	return !!(val & BIT(bit));
+}
+
+static int axg_audio_reset_assert(struct reset_controller_dev *rcdev,
+				unsigned long id)
+{
+	return axg_audio_reset_update(rcdev, id, true);
+}
+
+static int axg_audio_reset_deassert(struct reset_controller_dev *rcdev,
+				unsigned long id)
+{
+	return axg_audio_reset_update(rcdev, id, false);
+}
+
+static int axg_audio_reset_toggle(struct reset_controller_dev *rcdev,
+				unsigned long id)
+{
+	int ret;
+
+	ret = axg_audio_reset_assert(rcdev, id);
+	if (ret)
+		return ret;
+
+	return axg_audio_reset_deassert(rcdev, id);
+}
+
+static const struct reset_control_ops axg_audio_rstc_ops = {
+	.assert = axg_audio_reset_assert,
+	.deassert = axg_audio_reset_deassert,
+	.reset = axg_audio_reset_toggle,
+	.status = axg_audio_reset_status,
+};
+
 static const struct regmap_config axg_audio_regmap_cfg = {
 	.reg_bits	= 32,
 	.val_bits	= 32,
@@ -927,12 +1006,15 @@ static const struct regmap_config axg_audio_regmap_cfg = {
 
 struct audioclk_data {
 	struct clk_hw_onecell_data *hw_onecell_data;
+	unsigned int reset_offset;
+	unsigned int reset_num;
 };
 
 static int axg_audio_clkc_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	const struct audioclk_data *data;
+	struct axg_audio_reset_data *rst;
 	struct regmap *map;
 	struct resource *res;
 	void __iomem *regs;
@@ -984,8 +1066,27 @@ static int axg_audio_clkc_probe(struct platform_device *pdev)
 		}
 	}
 
-	return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
-					   data->hw_onecell_data);
+	ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
+					data->hw_onecell_data);
+	if (ret)
+		return ret;
+
+	/* Stop here if there is no reset */
+	if (!data->reset_num)
+		return 0;
+
+	rst = devm_kzalloc(dev, sizeof(*rst), GFP_KERNEL);
+	if (!rst)
+		return -ENOMEM;
+
+	rst->map = map;
+	rst->offset = data->reset_offset;
+	rst->rstc.nr_resets = data->reset_num;
+	rst->rstc.ops = &axg_audio_rstc_ops;
+	rst->rstc.of_node = dev->of_node;
+	rst->rstc.owner = THIS_MODULE;
+
+	return devm_reset_controller_register(dev, &rst->rstc);
 }
 
 static const struct audioclk_data axg_audioclk_data = {
@@ -994,6 +1095,8 @@ static const struct audioclk_data axg_audioclk_data = {
 
 static const struct audioclk_data g12a_audioclk_data = {
 	.hw_onecell_data = &g12a_audio_hw_onecell_data,
+	.reset_offset = AUDIO_SW_RESET,
+	.reset_num = 26,
 };
 
 static const struct of_device_id clkc_match_table[] = {

drivers/clk/meson/axg-audio.h

@@ -22,6 +22,7 @@
 #define AUDIO_MCLK_F_CTRL	0x018
 #define AUDIO_MST_PAD_CTRL0	0x01c
 #define AUDIO_MST_PAD_CTRL1	0x020
+#define AUDIO_SW_RESET		0x024
 #define AUDIO_MST_A_SCLK_CTRL0	0x040
 #define AUDIO_MST_A_SCLK_CTRL1	0x044
 #define AUDIO_MST_B_SCLK_CTRL0	0x048

drivers/clk/meson/g12a.h

@@ -29,6 +29,14 @@
 #define HHI_GP0_PLL_CNTL5		0x054
 #define HHI_GP0_PLL_CNTL6		0x058
 #define HHI_GP0_PLL_STS			0x05C
+#define HHI_GP1_PLL_CNTL0		0x060
+#define HHI_GP1_PLL_CNTL1		0x064
+#define HHI_GP1_PLL_CNTL2		0x068
+#define HHI_GP1_PLL_CNTL3		0x06C
+#define HHI_GP1_PLL_CNTL4		0x070
+#define HHI_GP1_PLL_CNTL5		0x074
+#define HHI_GP1_PLL_CNTL6		0x078
+#define HHI_GP1_PLL_STS			0x07C
 #define HHI_PCIE_PLL_CNTL0		0x098
 #define HHI_PCIE_PLL_CNTL1		0x09C
 #define HHI_PCIE_PLL_CNTL2		0x0A0
@@ -72,6 +80,11 @@
 #define HHI_SYS_CPUB_CLK_CNTL1		0x200
 #define HHI_SYS_CPUB_CLK_CNTL		0x208
 #define HHI_VPU_CLKB_CNTL		0x20C
+#define HHI_SYS_CPU_CLK_CNTL2		0x210
+#define HHI_SYS_CPU_CLK_CNTL3		0x214
+#define HHI_SYS_CPU_CLK_CNTL4		0x218
+#define HHI_SYS_CPU_CLK_CNTL5		0x21c
+#define HHI_SYS_CPU_CLK_CNTL6		0x220
 #define HHI_GEN_CLK_CNTL		0x228
 #define HHI_VDIN_MEAS_CLK_CNTL		0x250
 #define HHI_MIPIDSI_PHY_CLK_CNTL	0x254
@@ -233,8 +246,17 @@
 #define CLKID_CPUB_CLK_AXI			239
 #define CLKID_CPUB_CLK_TRACE_SEL		240
 #define CLKID_CPUB_CLK_TRACE			241
+#define CLKID_GP1_PLL_DCO			242
+#define CLKID_DSU_CLK_DYN0_SEL			244
+#define CLKID_DSU_CLK_DYN0_DIV			245
+#define CLKID_DSU_CLK_DYN0			246
+#define CLKID_DSU_CLK_DYN1_SEL			247
+#define CLKID_DSU_CLK_DYN1_DIV			248
+#define CLKID_DSU_CLK_DYN1			249
+#define CLKID_DSU_CLK_DYN			250
+#define CLKID_DSU_CLK_FINAL			251
 
-#define NR_CLKS					242
+#define NR_CLKS					256
 
 /* include the CLKIDs that have been made part of the DT binding */
 #include <dt-bindings/clock/g12a-clkc.h>

include/dt-bindings/clock/g12a-clkc.h

@@ -138,5 +138,10 @@
 #define CLKID_VDEC_HEVCF			210
 #define CLKID_TS				212
 #define CLKID_CPUB_CLK				224
+#define CLKID_GP1_PLL				243
+#define CLKID_DSU_CLK				252
+#define CLKID_CPU1_CLK				253
+#define CLKID_CPU2_CLK				254
+#define CLKID_CPU3_CLK				255
 
 #endif /* __G12A_CLKC_H */

include/dt-bindings/reset/amlogic,meson-g12a-audio-reset.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2019 BayLibre, SAS.
+ * Author: Jerome Brunet <jbrunet@baylibre.com>
+ *
+ */
+
+#ifndef _DT_BINDINGS_AMLOGIC_MESON_G12A_AUDIO_RESET_H
+#define _DT_BINDINGS_AMLOGIC_MESON_G12A_AUDIO_RESET_H
+
+#define AUD_RESET_PDM		0
+#define AUD_RESET_TDMIN_A	1
+#define AUD_RESET_TDMIN_B	2
+#define AUD_RESET_TDMIN_C	3
+#define AUD_RESET_TDMIN_LB	4
+#define AUD_RESET_LOOPBACK	5
+#define AUD_RESET_TODDR_A	6
+#define AUD_RESET_TODDR_B	7
+#define AUD_RESET_TODDR_C	8
+#define AUD_RESET_FRDDR_A	9
+#define AUD_RESET_FRDDR_B	10
+#define AUD_RESET_FRDDR_C	11
+#define AUD_RESET_TDMOUT_A	12
+#define AUD_RESET_TDMOUT_B	13
+#define AUD_RESET_TDMOUT_C	14
+#define AUD_RESET_SPDIFOUT	15
+#define AUD_RESET_SPDIFOUT_B	16
+#define AUD_RESET_SPDIFIN	17
+#define AUD_RESET_EQDRC		18
+#define AUD_RESET_RESAMPLE	19
+#define AUD_RESET_DDRARB	20
+#define AUD_RESET_POWDET	21
+#define AUD_RESET_TORAM		22
+#define AUD_RESET_TOACODEC	23
+#define AUD_RESET_TOHDMITX	24
+#define AUD_RESET_CLKTREE	25
+
+#endif