Renesas driver updates for v5.9

- Add core support for the new RZ/G2H (R8A774E1) SoC, including System
     Controller (SYSC) and Reset (RST) support.
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Merge tag 'renesas-drivers-for-v5.9-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/drivers

Renesas driver updates for v5.9

  - Add core support for the new RZ/G2H (R8A774E1) SoC, including System
    Controller (SYSC) and Reset (RST) support.

* tag 'renesas-drivers-for-v5.9-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
  soc: renesas: rcar-rst: Add support for RZ/G2H
  soc: renesas: Identify RZ/G2H
  soc: renesas: Add Renesas R8A774E1 config option
  soc: renesas: rcar-sysc: Add r8a774e1 support
  clk: renesas: Add r8a774e1 CPG Core Clock Definitions
  dt-bindings: power: Add r8a774e1 SYSC power domain definitions

Link: https://lore.kernel.org/r/20200717112427.26032-3-geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

drivers/soc/renesas/Kconfig

@@ -201,6 +201,13 @@ config ARCH_R8A774C0
 	help
 	  This enables support for the Renesas RZ/G2E SoC.
 
+config ARCH_R8A774E1
+	bool "Renesas RZ/G2H SoC Platform"
+	select ARCH_RCAR_GEN3
+	select SYSC_R8A774E1
+	help
+	  This enables support for the Renesas RZ/G2H SoC.
+
 config ARCH_R8A77950
 	bool "Renesas R-Car H3 ES1.x SoC Platform"
 	select ARCH_RCAR_GEN3
@@ -296,6 +303,10 @@ config SYSC_R8A774C0
 	bool "RZ/G2E System Controller support" if COMPILE_TEST
 	select SYSC_RCAR
 
+config SYSC_R8A774E1
+	bool "RZ/G2H System Controller support" if COMPILE_TEST
+	select SYSC_RCAR
+
 config SYSC_R8A7779
 	bool "R-Car H1 System Controller support" if COMPILE_TEST
 	select SYSC_RCAR

drivers/soc/renesas/Makefile

@@ -10,6 +10,7 @@ obj-$(CONFIG_SYSC_R8A77470)	+= r8a77470-sysc.o
 obj-$(CONFIG_SYSC_R8A774A1)	+= r8a774a1-sysc.o
 obj-$(CONFIG_SYSC_R8A774B1)	+= r8a774b1-sysc.o
 obj-$(CONFIG_SYSC_R8A774C0)	+= r8a774c0-sysc.o
+obj-$(CONFIG_SYSC_R8A774E1)	+= r8a774e1-sysc.o
 obj-$(CONFIG_SYSC_R8A7779)	+= r8a7779-sysc.o
 obj-$(CONFIG_SYSC_R8A7790)	+= r8a7790-sysc.o
 obj-$(CONFIG_SYSC_R8A7791)	+= r8a7791-sysc.o

drivers/soc/renesas/r8a774e1-sysc.c

@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G2H System Controller
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ *
+ * Based on Renesas R-Car H3 System Controller
+ * Copyright (C) 2016-2017 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a774e1-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a774e1_areas[] __initconst = {
+	{ "always-on",	    0, 0, R8A774E1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+	{ "ca57-scu",	0x1c0, 0, R8A774E1_PD_CA57_SCU, R8A774E1_PD_ALWAYS_ON, PD_SCU },
+	{ "ca57-cpu0",	 0x80, 0, R8A774E1_PD_CA57_CPU0, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
+	{ "ca57-cpu1",	 0x80, 1, R8A774E1_PD_CA57_CPU1, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
+	{ "ca57-cpu2",	 0x80, 2, R8A774E1_PD_CA57_CPU2, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
+	{ "ca57-cpu3",	 0x80, 3, R8A774E1_PD_CA57_CPU3, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
+	{ "ca53-scu",	0x140, 0, R8A774E1_PD_CA53_SCU, R8A774E1_PD_ALWAYS_ON, PD_SCU },
+	{ "ca53-cpu0",	0x200, 0, R8A774E1_PD_CA53_CPU0, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
+	{ "ca53-cpu1",	0x200, 1, R8A774E1_PD_CA53_CPU1, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
+	{ "ca53-cpu2",	0x200, 2, R8A774E1_PD_CA53_CPU2, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
+	{ "ca53-cpu3",	0x200, 3, R8A774E1_PD_CA53_CPU3, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
+	{ "a3vp",	0x340, 0, R8A774E1_PD_A3VP, R8A774E1_PD_ALWAYS_ON },
+	{ "a3vc",	0x380, 0, R8A774E1_PD_A3VC, R8A774E1_PD_ALWAYS_ON },
+	{ "a2vc1",	0x3c0, 1, R8A774E1_PD_A2VC1, R8A774E1_PD_A3VC },
+	{ "3dg-a",	0x100, 0, R8A774E1_PD_3DG_A, R8A774E1_PD_ALWAYS_ON },
+	{ "3dg-b",	0x100, 1, R8A774E1_PD_3DG_B, R8A774E1_PD_3DG_A },
+	{ "3dg-c",	0x100, 2, R8A774E1_PD_3DG_C, R8A774E1_PD_3DG_B },
+	{ "3dg-d",	0x100, 3, R8A774E1_PD_3DG_D, R8A774E1_PD_3DG_C },
+	{ "3dg-e",	0x100, 4, R8A774E1_PD_3DG_E, R8A774E1_PD_3DG_D },
+};
+
+const struct rcar_sysc_info r8a774e1_sysc_info __initconst = {
+	.areas = r8a774e1_areas,
+	.num_areas = ARRAY_SIZE(r8a774e1_areas),
+	.extmask_offs = 0x2f8,
+	.extmask_val = BIT(0),
+};

drivers/soc/renesas/rcar-rst.c

@@ -48,6 +48,7 @@ static const struct of_device_id rcar_rst_matches[] __initconst = {
 	{ .compatible = "renesas,r8a774a1-rst", .data = &rcar_rst_gen3 },
 	{ .compatible = "renesas,r8a774b1-rst", .data = &rcar_rst_gen3 },
 	{ .compatible = "renesas,r8a774c0-rst", .data = &rcar_rst_gen3 },
+	{ .compatible = "renesas,r8a774e1-rst", .data = &rcar_rst_gen3 },
 	/* R-Car Gen1 */
 	{ .compatible = "renesas,r8a7778-reset-wdt", .data = &rcar_rst_gen1 },
 	{ .compatible = "renesas,r8a7779-reset-wdt", .data = &rcar_rst_gen1 },

drivers/soc/renesas/rcar-sysc.c

@@ -296,6 +296,9 @@ static const struct of_device_id rcar_sysc_matches[] __initconst = {
 #ifdef CONFIG_SYSC_R8A774C0
 	{ .compatible = "renesas,r8a774c0-sysc", .data = &r8a774c0_sysc_info },
 #endif
+#ifdef CONFIG_SYSC_R8A774E1
+	{ .compatible = "renesas,r8a774e1-sysc", .data = &r8a774e1_sysc_info },
+#endif
 #ifdef CONFIG_SYSC_R8A7779
 	{ .compatible = "renesas,r8a7779-sysc", .data = &r8a7779_sysc_info },
 #endif

drivers/soc/renesas/rcar-sysc.h

@@ -56,6 +56,7 @@ extern const struct rcar_sysc_info r8a77470_sysc_info;
 extern const struct rcar_sysc_info r8a774a1_sysc_info;
 extern const struct rcar_sysc_info r8a774b1_sysc_info;
 extern const struct rcar_sysc_info r8a774c0_sysc_info;
+extern const struct rcar_sysc_info r8a774e1_sysc_info;
 extern const struct rcar_sysc_info r8a7779_sysc_info;
 extern const struct rcar_sysc_info r8a7790_sysc_info;
 extern const struct rcar_sysc_info r8a7791_sysc_info;

drivers/soc/renesas/renesas-soc.c

@@ -126,6 +126,11 @@ static const struct renesas_soc soc_rz_g2e __initconst __maybe_unused = {
 	.id	= 0x57,
 };
 
+static const struct renesas_soc soc_rz_g2h __initconst __maybe_unused = {
+	.family	= &fam_rzg2,
+	.id	= 0x4f,
+};
+
 static const struct renesas_soc soc_rcar_m1a __initconst __maybe_unused = {
 	.family	= &fam_rcar_gen1,
 };
@@ -238,6 +243,9 @@ static const struct of_device_id renesas_socs[] __initconst = {
 #ifdef CONFIG_ARCH_R8A774C0
 	{ .compatible = "renesas,r8a774c0",	.data = &soc_rz_g2e },
 #endif
+#ifdef CONFIG_ARCH_R8A774E1
+	{ .compatible = "renesas,r8a774e1",	.data = &soc_rz_g2h },
+#endif
 #ifdef CONFIG_ARCH_R8A7778
 	{ .compatible = "renesas,r8a7778",	.data = &soc_rcar_m1a },
 #endif

include/dt-bindings/clock/r8a774e1-cpg-mssr.h

@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ */
+#ifndef __DT_BINDINGS_CLOCK_R8A774E1_CPG_MSSR_H__
+#define __DT_BINDINGS_CLOCK_R8A774E1_CPG_MSSR_H__
+
+#include <dt-bindings/clock/renesas-cpg-mssr.h>
+
+/* R8A774E1 CPG Core Clocks */
+#define R8A774E1_CLK_Z			0
+#define R8A774E1_CLK_Z2			1
+#define R8A774E1_CLK_ZG			2
+#define R8A774E1_CLK_ZTR		3
+#define R8A774E1_CLK_ZTRD2		4
+#define R8A774E1_CLK_ZT			5
+#define R8A774E1_CLK_ZX			6
+#define R8A774E1_CLK_S0D1		7
+#define R8A774E1_CLK_S0D2		8
+#define R8A774E1_CLK_S0D3		9
+#define R8A774E1_CLK_S0D4		10
+#define R8A774E1_CLK_S0D6		11
+#define R8A774E1_CLK_S0D8		12
+#define R8A774E1_CLK_S0D12		13
+#define R8A774E1_CLK_S1D2		14
+#define R8A774E1_CLK_S1D4		15
+#define R8A774E1_CLK_S2D1		16
+#define R8A774E1_CLK_S2D2		17
+#define R8A774E1_CLK_S2D4		18
+#define R8A774E1_CLK_S3D1		19
+#define R8A774E1_CLK_S3D2		20
+#define R8A774E1_CLK_S3D4		21
+#define R8A774E1_CLK_LB			22
+#define R8A774E1_CLK_CL			23
+#define R8A774E1_CLK_ZB3		24
+#define R8A774E1_CLK_ZB3D2		25
+#define R8A774E1_CLK_ZB3D4		26
+#define R8A774E1_CLK_CR			27
+#define R8A774E1_CLK_CRD2		28
+#define R8A774E1_CLK_SD0H		29
+#define R8A774E1_CLK_SD0		30
+#define R8A774E1_CLK_SD1H		31
+#define R8A774E1_CLK_SD1		32
+#define R8A774E1_CLK_SD2H		33
+#define R8A774E1_CLK_SD2		34
+#define R8A774E1_CLK_SD3H		35
+#define R8A774E1_CLK_SD3		36
+#define R8A774E1_CLK_RPC		37
+#define R8A774E1_CLK_RPCD2		38
+#define R8A774E1_CLK_MSO		39
+#define R8A774E1_CLK_HDMI		40
+#define R8A774E1_CLK_CSI0		41
+#define R8A774E1_CLK_CP			42
+#define R8A774E1_CLK_CPEX		43
+#define R8A774E1_CLK_R			44
+#define R8A774E1_CLK_OSC		45
+#define R8A774E1_CLK_CANFD		46
+
+#endif /* __DT_BINDINGS_CLOCK_R8A774E1_CPG_MSSR_H__ */

include/dt-bindings/power/r8a774e1-sysc.h

@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ */
+#ifndef __DT_BINDINGS_POWER_R8A774E1_SYSC_H__
+#define __DT_BINDINGS_POWER_R8A774E1_SYSC_H__
+
+/*
+ * These power domain indices match the numbers of the interrupt bits
+ * representing the power areas in the various Interrupt Registers
+ * (e.g. SYSCISR, Interrupt Status Register)
+ */
+
+#define R8A774E1_PD_CA57_CPU0		 0
+#define R8A774E1_PD_CA57_CPU1		 1
+#define R8A774E1_PD_CA57_CPU2		 2
+#define R8A774E1_PD_CA57_CPU3		 3
+#define R8A774E1_PD_CA53_CPU0		 5
+#define R8A774E1_PD_CA53_CPU1		 6
+#define R8A774E1_PD_CA53_CPU2		 7
+#define R8A774E1_PD_CA53_CPU3		 8
+#define R8A774E1_PD_A3VP		 9
+#define R8A774E1_PD_CA57_SCU		12
+#define R8A774E1_PD_A3VC		14
+#define R8A774E1_PD_3DG_A		17
+#define R8A774E1_PD_3DG_B		18
+#define R8A774E1_PD_3DG_C		19
+#define R8A774E1_PD_3DG_D		20
+#define R8A774E1_PD_CA53_SCU		21
+#define R8A774E1_PD_3DG_E		22
+#define R8A774E1_PD_A2VC1		26
+
+/* Always-on power area */
+#define R8A774E1_PD_ALWAYS_ON		32
+
+#endif /* __DT_BINDINGS_POWER_R8A774E1_SYSC_H__ */