Merge tag 'renesas-drivers-for-v5.19-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/drivers

Renesas driver updates for v5.19 (take two)

  - Initial support for the R-Car V4H and RZ/V2M SoCs,
  - Miscellaneous fixes and improvements.

* tag 'renesas-drivers-for-v5.19-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
  soc: renesas: R-Car V3U is R-Car Gen4
  soc: renesas: rzn1: Select PM and PM_GENERIC_DOMAINS configs
  soc: renesas: Add RZ/V2M (R9A09G011) config option
  soc: renesas: rcar-rst: Add support for R-Car V4H
  soc: renesas: Identify R-Car V4H
  soc: renesas: r8a779g0-sysc: Add r8a779g0 support
  dt-bindings: clock: Add r8a779g0 CPG Core Clock Definitions
  dt-bindings: power: Add r8a779g0 SYSC power domain definitions

Link: https://lore.kernel.org/r/cover.1651828613.git.geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

9 files changed, 232 insertions, 1 deletions

diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index 63477f05fbaf..c50a6ce1b99d 100644
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -47,6 +47,8 @@ config ARCH_RZG2L
 
 config ARCH_RZN1
 	bool
+	select PM
+	select PM_GENERIC_DOMAINS
 	select ARM_AMBA
 
 if ARM && ARCH_RENESAS
@@ -268,6 +270,13 @@ config ARCH_R8A779A0
 	help
 	  This enables support for the Renesas R-Car V3U SoC.
 
+config ARCH_R8A779G0
+	bool "ARM64 Platform support for R-Car V4H"
+	select ARCH_RCAR_GEN3
+	select SYSC_R8A779G0
+	help
+	  This enables support for the Renesas R-Car V4H SoC.
+
 config ARCH_R8A774C0
 	bool "ARM64 Platform support for RZ/G2E"
 	select ARCH_RCAR_GEN3
@@ -314,6 +323,13 @@ config ARCH_R9A07G054
 	help
 	  This enables support for the Renesas RZ/V2L SoC variants.
 
+config ARCH_R9A09G011
+	bool "ARM64 Platform support for RZ/V2M"
+	select PM
+	select PM_GENERIC_DOMAINS
+	help
+	  This enables support for the Renesas RZ/V2M SoC.
+
 endif # ARM64
 
 config RST_RCAR
@@ -385,6 +401,10 @@ config SYSC_R8A779A0
 	bool "System Controller support for R-Car V3U" if COMPILE_TEST
 	select SYSC_RCAR_GEN4
 
+config SYSC_R8A779G0
+	bool "System Controller support for R-Car V4H" if COMPILE_TEST
+	select SYSC_RCAR_GEN4
+
 config SYSC_RMOBILE
 	bool "System Controller support for R-Mobile" if COMPILE_TEST
 
diff --git a/drivers/soc/renesas/Makefile b/drivers/soc/renesas/Makefile
index deeb41f84f01..535868c9c7e4 100644
--- a/drivers/soc/renesas/Makefile
+++ b/drivers/soc/renesas/Makefile
@@ -26,6 +26,7 @@ obj-$(CONFIG_SYSC_R8A77990)	+= r8a77990-sysc.o
 obj-$(CONFIG_SYSC_R8A77995)	+= r8a77995-sysc.o
 obj-$(CONFIG_SYSC_R8A779A0)	+= r8a779a0-sysc.o
 obj-$(CONFIG_SYSC_R8A779F0)	+= r8a779f0-sysc.o
+obj-$(CONFIG_SYSC_R8A779G0)	+= r8a779g0-sysc.o
 ifdef CONFIG_SMP
 obj-$(CONFIG_ARCH_R9A06G032)	+= r9a06g032-smp.o
 endif
diff --git a/drivers/soc/renesas/r8a779g0-sysc.c b/drivers/soc/renesas/r8a779g0-sysc.c
new file mode 100644
index 000000000000..a452709f066d
--- /dev/null
+++ b/drivers/soc/renesas/r8a779g0-sysc.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car V4H System Controller
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+
+#include <linux/bits.h>
+#include <linux/clk/renesas.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/of_address.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include <dt-bindings/power/r8a779g0-sysc.h>
+
+#include "rcar-gen4-sysc.h"
+
+static struct rcar_gen4_sysc_area r8a779g0_areas[] __initdata = {
+	{ "always-on",	R8A779G0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+	{ "a3e0",	R8A779G0_PD_A3E0, R8A779G0_PD_ALWAYS_ON, PD_SCU },
+	{ "a2e0d0",	R8A779G0_PD_A2E0D0, R8A779G0_PD_A3E0, PD_SCU },
+	{ "a2e0d1",	R8A779G0_PD_A2E0D1, R8A779G0_PD_A3E0, PD_SCU },
+	{ "a1e0d0c0",	R8A779G0_PD_A1E0D0C0, R8A779G0_PD_A2E0D0, PD_CPU_NOCR },
+	{ "a1e0d0c1",	R8A779G0_PD_A1E0D0C1, R8A779G0_PD_A2E0D0, PD_CPU_NOCR },
+	{ "a1e0d1c0",	R8A779G0_PD_A1E0D1C0, R8A779G0_PD_A2E0D1, PD_CPU_NOCR },
+	{ "a1e0d1c1",	R8A779G0_PD_A1E0D1C1, R8A779G0_PD_A2E0D1, PD_CPU_NOCR },
+	{ "a33dga",	R8A779G0_PD_A33DGA, R8A779G0_PD_ALWAYS_ON },
+	{ "a23dgb",	R8A779G0_PD_A23DGB, R8A779G0_PD_A33DGA },
+	{ "a3vip0",	R8A779G0_PD_A3VIP0, R8A779G0_PD_ALWAYS_ON },
+	{ "a3vip1",	R8A779G0_PD_A3VIP1, R8A779G0_PD_ALWAYS_ON },
+	{ "a3vip2",	R8A779G0_PD_A3VIP2, R8A779G0_PD_ALWAYS_ON },
+	{ "a3isp0",	R8A779G0_PD_A3ISP0, R8A779G0_PD_ALWAYS_ON },
+	{ "a3isp1",	R8A779G0_PD_A3ISP1, R8A779G0_PD_ALWAYS_ON },
+	{ "a3ir",	R8A779G0_PD_A3IR, R8A779G0_PD_ALWAYS_ON },
+	{ "a2cn0",	R8A779G0_PD_A2CN0, R8A779G0_PD_A3IR },
+	{ "a1cnn0",	R8A779G0_PD_A1CNN0, R8A779G0_PD_A2CN0 },
+	{ "a1dsp0",	R8A779G0_PD_A1DSP0, R8A779G0_PD_A2CN0 },
+	{ "a1dsp1",	R8A779G0_PD_A1DSP1, R8A779G0_PD_A2CN0 },
+	{ "a1dsp2",	R8A779G0_PD_A1DSP2, R8A779G0_PD_A2CN0 },
+	{ "a1dsp3",	R8A779G0_PD_A1DSP3, R8A779G0_PD_A2CN0 },
+	{ "a2imp01",	R8A779G0_PD_A2IMP01, R8A779G0_PD_A3IR },
+	{ "a2imp23",	R8A779G0_PD_A2IMP23, R8A779G0_PD_A3IR },
+	{ "a2psc",	R8A779G0_PD_A2PSC, R8A779G0_PD_A3IR },
+	{ "a2dma",	R8A779G0_PD_A2DMA, R8A779G0_PD_A3IR },
+	{ "a2cv0",	R8A779G0_PD_A2CV0, R8A779G0_PD_A3IR },
+	{ "a2cv1",	R8A779G0_PD_A2CV1, R8A779G0_PD_A3IR },
+	{ "a2cv2",	R8A779G0_PD_A2CV2, R8A779G0_PD_A3IR },
+	{ "a2cv3",	R8A779G0_PD_A2CV3, R8A779G0_PD_A3IR },
+};
+
+const struct rcar_gen4_sysc_info r8a779g0_sysc_info __initconst = {
+	.areas = r8a779g0_areas,
+	.num_areas = ARRAY_SIZE(r8a779g0_areas),
+};
diff --git a/drivers/soc/renesas/rcar-gen4-sysc.c b/drivers/soc/renesas/rcar-gen4-sysc.c
index 831162a57f9a..9e5e6e077abc 100644
--- a/drivers/soc/renesas/rcar-gen4-sysc.c
+++ b/drivers/soc/renesas/rcar-gen4-sysc.c
@@ -282,6 +282,9 @@ static const struct of_device_id rcar_gen4_sysc_matches[] __initconst = {
 #ifdef CONFIG_SYSC_R8A779F0
 	{ .compatible = "renesas,r8a779f0-sysc", .data = &r8a779f0_sysc_info },
 #endif
+#ifdef CONFIG_SYSC_R8A779G0
+	{ .compatible = "renesas,r8a779g0-sysc", .data = &r8a779g0_sysc_info },
+#endif
 	{ /* sentinel */ }
 };
 
diff --git a/drivers/soc/renesas/rcar-gen4-sysc.h b/drivers/soc/renesas/rcar-gen4-sysc.h
index 0e0bd102b1f9..fe2d98254754 100644
--- a/drivers/soc/renesas/rcar-gen4-sysc.h
+++ b/drivers/soc/renesas/rcar-gen4-sysc.h
@@ -39,5 +39,6 @@ struct rcar_gen4_sysc_info {
 
 extern const struct rcar_gen4_sysc_info r8a779a0_sysc_info;
 extern const struct rcar_gen4_sysc_info r8a779f0_sysc_info;
+extern const struct rcar_gen4_sysc_info r8a779g0_sysc_info;
 
 #endif /* __SOC_RENESAS_RCAR_GEN4_SYSC_H__ */
diff --git a/drivers/soc/renesas/rcar-rst.c b/drivers/soc/renesas/rcar-rst.c
index 4d293eb2d8f3..e1c7e91f5a86 100644
--- a/drivers/soc/renesas/rcar-rst.c
+++ b/drivers/soc/renesas/rcar-rst.c
@@ -103,6 +103,7 @@ static const struct of_device_id rcar_rst_matches[] __initconst = {
 	/* R-Car Gen4 */
 	{ .compatible = "renesas,r8a779a0-rst", .data = &rcar_rst_gen4 },
 	{ .compatible = "renesas,r8a779f0-rst", .data = &rcar_rst_gen4 },
+	{ .compatible = "renesas,r8a779g0-rst", .data = &rcar_rst_gen4 },
 	{ /* sentinel */ }
 };
 
diff --git a/drivers/soc/renesas/renesas-soc.c b/drivers/soc/renesas/renesas-soc.c
index 30192a099d38..d171f1b635c7 100644
--- a/drivers/soc/renesas/renesas-soc.c
+++ b/drivers/soc/renesas/renesas-soc.c
@@ -232,7 +232,7 @@ static const struct renesas_soc soc_rcar_d3 __initconst __maybe_unused = {
 };
 
 static const struct renesas_soc soc_rcar_v3u __initconst __maybe_unused = {
-	.family	= &fam_rcar_gen3,
+	.family	= &fam_rcar_gen4,
 	.id	= 0x59,
 };
 
@@ -241,6 +241,11 @@ static const struct renesas_soc soc_rcar_s4 __initconst __maybe_unused = {
 	.id	= 0x5a,
 };
 
+static const struct renesas_soc soc_rcar_v4h __initconst __maybe_unused = {
+	.family	= &fam_rcar_gen4,
+	.id	= 0x5c,
+};
+
 static const struct renesas_soc soc_shmobile_ag5 __initconst __maybe_unused = {
 	.family	= &fam_shmobile,
 	.id	= 0x37,
@@ -349,6 +354,9 @@ static const struct of_device_id renesas_socs[] __initconst = {
 #ifdef CONFIG_ARCH_R8A779F0
 	{ .compatible = "renesas,r8a779f0",	.data = &soc_rcar_s4 },
 #endif
+#ifdef CONFIG_ARCH_R8A779G0
+	{ .compatible = "renesas,r8a779g0",	.data = &soc_rcar_v4h },
+#endif
 #if defined(CONFIG_ARCH_R9A07G043)
 	{ .compatible = "renesas,r9a07g043",	.data = &soc_rz_g2ul },
 #endif
diff --git a/include/dt-bindings/clock/r8a779g0-cpg-mssr.h b/include/dt-bindings/clock/r8a779g0-cpg-mssr.h
new file mode 100644
index 000000000000..754c54a6eb06
--- /dev/null
+++ b/include/dt-bindings/clock/r8a779g0-cpg-mssr.h
@@ -0,0 +1,90 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+#ifndef __DT_BINDINGS_CLOCK_R8A779G0_CPG_MSSR_H__
+#define __DT_BINDINGS_CLOCK_R8A779G0_CPG_MSSR_H__
+
+#include <dt-bindings/clock/renesas-cpg-mssr.h>
+
+/* r8a779g0 CPG Core Clocks */
+
+#define R8A779G0_CLK_ZX			0
+#define R8A779G0_CLK_ZS			1
+#define R8A779G0_CLK_ZT			2
+#define R8A779G0_CLK_ZTR		3
+#define R8A779G0_CLK_S0D2		4
+#define R8A779G0_CLK_S0D3		5
+#define R8A779G0_CLK_S0D4		6
+#define R8A779G0_CLK_S0D1_VIO		7
+#define R8A779G0_CLK_S0D2_VIO		8
+#define R8A779G0_CLK_S0D4_VIO		9
+#define R8A779G0_CLK_S0D8_VIO		10
+#define R8A779G0_CLK_S0D1_VC		11
+#define R8A779G0_CLK_S0D2_VC		12
+#define R8A779G0_CLK_S0D4_VC		13
+#define R8A779G0_CLK_S0D2_MM		14
+#define R8A779G0_CLK_S0D4_MM		15
+#define R8A779G0_CLK_S0D2_U3DG		16
+#define R8A779G0_CLK_S0D4_U3DG		17
+#define R8A779G0_CLK_S0D2_RT		18
+#define R8A779G0_CLK_S0D3_RT		19
+#define R8A779G0_CLK_S0D4_RT		20
+#define R8A779G0_CLK_S0D6_RT		21
+#define R8A779G0_CLK_S0D24_RT		22
+#define R8A779G0_CLK_S0D2_PER		23
+#define R8A779G0_CLK_S0D3_PER		24
+#define R8A779G0_CLK_S0D4_PER		25
+#define R8A779G0_CLK_S0D6_PER		26
+#define R8A779G0_CLK_S0D12_PER		27
+#define R8A779G0_CLK_S0D24_PER		28
+#define R8A779G0_CLK_S0D1_HSC		29
+#define R8A779G0_CLK_S0D2_HSC		30
+#define R8A779G0_CLK_S0D4_HSC		31
+#define R8A779G0_CLK_S0D2_CC		32
+#define R8A779G0_CLK_SVD1_IR		33
+#define R8A779G0_CLK_SVD2_IR		34
+#define R8A779G0_CLK_SVD1_VIP		35
+#define R8A779G0_CLK_SVD2_VIP		36
+#define R8A779G0_CLK_CL			37
+#define R8A779G0_CLK_CL16M		38
+#define R8A779G0_CLK_CL16M_MM		39
+#define R8A779G0_CLK_CL16M_RT		40
+#define R8A779G0_CLK_CL16M_PER		41
+#define R8A779G0_CLK_CL16M_HSC		42
+#define R8A779G0_CLK_Z0			43
+#define R8A779G0_CLK_ZB3		44
+#define R8A779G0_CLK_ZB3D2		45
+#define R8A779G0_CLK_ZB3D4		46
+#define R8A779G0_CLK_ZG			47
+#define R8A779G0_CLK_SD0H		48
+#define R8A779G0_CLK_SD0		49
+#define R8A779G0_CLK_RPC		50
+#define R8A779G0_CLK_RPCD2		51
+#define R8A779G0_CLK_MSO		52
+#define R8A779G0_CLK_CANFD		53
+#define R8A779G0_CLK_CSI		54
+#define R8A779G0_CLK_FRAY		55
+#define R8A779G0_CLK_IPC		56
+#define R8A779G0_CLK_SASYNCRT		57
+#define R8A779G0_CLK_SASYNCPERD1	58
+#define R8A779G0_CLK_SASYNCPERD2	59
+#define R8A779G0_CLK_SASYNCPERD4	60
+#define R8A779G0_CLK_VIOBUS		61
+#define R8A779G0_CLK_VIOBUSD2		62
+#define R8A779G0_CLK_VCBUS		63
+#define R8A779G0_CLK_VCBUSD2		64
+#define R8A779G0_CLK_DSIEXT		65
+#define R8A779G0_CLK_DSIREF		66
+#define R8A779G0_CLK_ADGH		67
+#define R8A779G0_CLK_OSC		68
+#define R8A779G0_CLK_ZR0		69
+#define R8A779G0_CLK_ZR1		70
+#define R8A779G0_CLK_ZR2		71
+#define R8A779G0_CLK_IMPA		72
+#define R8A779G0_CLK_IMPAD4		73
+#define R8A779G0_CLK_CPEX		74
+#define R8A779G0_CLK_CBFUSA		75
+#define R8A779G0_CLK_R			76
+
+#endif /* __DT_BINDINGS_CLOCK_R8A779G0_CPG_MSSR_H__ */
diff --git a/include/dt-bindings/power/r8a779g0-sysc.h b/include/dt-bindings/power/r8a779g0-sysc.h
new file mode 100644
index 000000000000..7daa70f1814e
--- /dev/null
+++ b/include/dt-bindings/power/r8a779g0-sysc.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+#ifndef __DT_BINDINGS_POWER_R8A779G0_SYSC_H__
+#define __DT_BINDINGS_POWER_R8A779G0_SYSC_H__
+
+/*
+ * These power domain indices match the Power Domain Register Numbers (PDR)
+ */
+
+#define R8A779G0_PD_A1E0D0C0		0
+#define R8A779G0_PD_A1E0D0C1		1
+#define R8A779G0_PD_A1E0D1C0		2
+#define R8A779G0_PD_A1E0D1C1		3
+#define R8A779G0_PD_A2E0D0		16
+#define R8A779G0_PD_A2E0D1		17
+#define R8A779G0_PD_A3E0		20
+#define R8A779G0_PD_A33DGA		24
+#define R8A779G0_PD_A23DGB		25
+#define R8A779G0_PD_A1DSP0		33
+#define R8A779G0_PD_A2IMP01		34
+#define R8A779G0_PD_A2PSC		35
+#define R8A779G0_PD_A2CV0		36
+#define R8A779G0_PD_A2CV1		37
+#define R8A779G0_PD_A1CNN0		41
+#define R8A779G0_PD_A2CN0		42
+#define R8A779G0_PD_A3IR		43
+#define R8A779G0_PD_A1DSP1		45
+#define R8A779G0_PD_A2IMP23		46
+#define R8A779G0_PD_A2DMA		47
+#define R8A779G0_PD_A2CV2		48
+#define R8A779G0_PD_A2CV3		49
+#define R8A779G0_PD_A1DSP2		53
+#define R8A779G0_PD_A1DSP3		54
+#define R8A779G0_PD_A3VIP0		56
+#define R8A779G0_PD_A3VIP1		57
+#define R8A779G0_PD_A3VIP2		58
+#define R8A779G0_PD_A3ISP0		60
+#define R8A779G0_PD_A3ISP1		61
+
+/* Always-on power area */
+#define R8A779G0_PD_ALWAYS_ON		64
+
+#endif /* __DT_BINDINGS_POWER_R8A779G0_SYSC_H__*/