Merge tag 'renesas-clk-for-v6.9-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into clk-renesas

Pull Renesas clk driver updates from Geert Uytterhoeven:

 - Ignore all clocks which are assigned to a non-Linux system
 - Add watchdog clock on RZ/G3S
 - Add camera (CRU) clock and reset on RZ/G2UL
 - Add support for the R-Car V4M (R8A779H0) SoC
 - Miscellaneous fixes and improvements

* tag 'renesas-clk-for-v6.9-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers:
  clk: renesas: r8a779h0: Add I2C clocks
  clk: renesas: r8a779h0: Add watchdog clock
  clk: renesas: r8a779h0: Add PFC/GPIO clocks
  clk: renesas: r8a779g0: Fix PCIe clock name
  clk: renesas: cpg-mssr: Add support for R-Car V4M
  clk: renesas: rcar-gen4: Add support for FRQCRC1
  clk: renesas: r9a07g043: Add clock and reset entries for CRU
  clk: renesas: r9a08g045: Add clock and reset support for watchdog
  dt-bindings: clock: Add R8A779H0 V4M CPG Core Clock Definitions
  dt-bindings: clock: renesas,cpg-mssr: Document R-Car V4M support
  dt-bindings: power: Add r8a779h0 SYSC power domain definitions
  dt-bindings: power: renesas,rcar-sysc: Document R-Car V4M support
  clk: renesas: mstp: Remove obsolete clkdev registration
  clk: renesas: cpg-mssr: Ignore all clocks assigned to non-Linux system
  of: Add for_each_reserved_child_of_node()
  of: Add of_get_next_status_child() and makes more generic of_get_next
  of: Add __of_device_is_status() and makes more generic status check

3 files changed, 156 insertions, 0 deletions

diff --git a/include/dt-bindings/clock/renesas,r8a779h0-cpg-mssr.h b/include/dt-bindings/clock/renesas,r8a779h0-cpg-mssr.h
new file mode 100644
index 000000000000..7ab6cfbaf901
--- /dev/null
+++ b/include/dt-bindings/clock/renesas,r8a779h0-cpg-mssr.h
@@ -0,0 +1,96 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (C) 2023 Renesas Electronics Corp.
+ */
+#ifndef __DT_BINDINGS_CLOCK_RENESAS_R8A779H0_CPG_MSSR_H__
+#define __DT_BINDINGS_CLOCK_RENESAS_R8A779H0_CPG_MSSR_H__
+
+#include <dt-bindings/clock/renesas-cpg-mssr.h>
+
+/* r8a779h0 CPG Core Clocks */
+
+#define R8A779H0_CLK_ZX			0
+#define R8A779H0_CLK_ZD			1
+#define R8A779H0_CLK_ZS			2
+#define R8A779H0_CLK_ZT			3
+#define R8A779H0_CLK_ZTR		4
+#define R8A779H0_CLK_S0D2		5
+#define R8A779H0_CLK_S0D3		6
+#define R8A779H0_CLK_S0D4		7
+#define R8A779H0_CLK_S0D1_VIO		8
+#define R8A779H0_CLK_S0D2_VIO		9
+#define R8A779H0_CLK_S0D4_VIO		10
+#define R8A779H0_CLK_S0D8_VIO		11
+#define R8A779H0_CLK_VIOBUSD1		12
+#define R8A779H0_CLK_VIOBUSD2		13
+#define R8A779H0_CLK_S0D1_VC		14
+#define R8A779H0_CLK_S0D2_VC		15
+#define R8A779H0_CLK_S0D4_VC		16
+#define R8A779H0_CLK_VCBUSD1		17
+#define R8A779H0_CLK_VCBUSD2		18
+#define R8A779H0_CLK_S0D2_MM		19
+#define R8A779H0_CLK_S0D4_MM		20
+#define R8A779H0_CLK_S0D2_U3DG		21
+#define R8A779H0_CLK_S0D4_U3DG		22
+#define R8A779H0_CLK_S0D2_RT		23
+#define R8A779H0_CLK_S0D3_RT		24
+#define R8A779H0_CLK_S0D4_RT		25
+#define R8A779H0_CLK_S0D6_RT		26
+#define R8A779H0_CLK_S0D2_PER		27
+#define R8A779H0_CLK_S0D3_PER		28
+#define R8A779H0_CLK_S0D4_PER		29
+#define R8A779H0_CLK_S0D6_PER		30
+#define R8A779H0_CLK_S0D12_PER		31
+#define R8A779H0_CLK_S0D24_PER		32
+#define R8A779H0_CLK_S0D1_HSC		33
+#define R8A779H0_CLK_S0D2_HSC		34
+#define R8A779H0_CLK_S0D4_HSC		35
+#define R8A779H0_CLK_S0D8_HSC		36
+#define R8A779H0_CLK_SVD1_IR		37
+#define R8A779H0_CLK_SVD2_IR		38
+#define R8A779H0_CLK_IMPAD1		39
+#define R8A779H0_CLK_IMPAD4		40
+#define R8A779H0_CLK_IMPB		41
+#define R8A779H0_CLK_SVD1_VIP		42
+#define R8A779H0_CLK_SVD2_VIP		43
+#define R8A779H0_CLK_CL			44
+#define R8A779H0_CLK_CL16M		45
+#define R8A779H0_CLK_CL16M_MM		46
+#define R8A779H0_CLK_CL16M_RT		47
+#define R8A779H0_CLK_CL16M_PER		48
+#define R8A779H0_CLK_CL16M_HSC		49
+#define R8A779H0_CLK_ZC0		50
+#define R8A779H0_CLK_ZC1		51
+#define R8A779H0_CLK_ZC2		52
+#define R8A779H0_CLK_ZC3		53
+#define R8A779H0_CLK_ZB3		54
+#define R8A779H0_CLK_ZB3D2		55
+#define R8A779H0_CLK_ZB3D4		56
+#define R8A779H0_CLK_ZG			57
+#define R8A779H0_CLK_SD0H		58
+#define R8A779H0_CLK_SD0		59
+#define R8A779H0_CLK_RPC		60
+#define R8A779H0_CLK_RPCD2		61
+#define R8A779H0_CLK_MSO		62
+#define R8A779H0_CLK_CANFD		63
+#define R8A779H0_CLK_CSI		64
+#define R8A779H0_CLK_FRAY		65
+#define R8A779H0_CLK_IPC		66
+#define R8A779H0_CLK_SASYNCRT		67
+#define R8A779H0_CLK_SASYNCPERD1	68
+#define R8A779H0_CLK_SASYNCPERD2	69
+#define R8A779H0_CLK_SASYNCPERD4	70
+#define R8A779H0_CLK_DSIEXT		71
+#define R8A779H0_CLK_DSIREF		72
+#define R8A779H0_CLK_ADGH		73
+#define R8A779H0_CLK_OSC		74
+#define R8A779H0_CLK_ZR0		75
+#define R8A779H0_CLK_ZR1		76
+#define R8A779H0_CLK_ZR2		77
+#define R8A779H0_CLK_RGMII		78
+#define R8A779H0_CLK_CPEX		79
+#define R8A779H0_CLK_CP			80
+#define R8A779H0_CLK_CBFUSA		81
+#define R8A779H0_CLK_R			82
+
+#endif /* __DT_BINDINGS_CLOCK_RENESAS_R8A779H0_CPG_MSSR_H__ */
diff --git a/include/dt-bindings/power/renesas,r8a779h0-sysc.h b/include/dt-bindings/power/renesas,r8a779h0-sysc.h
new file mode 100644
index 000000000000..f27976f523e8
--- /dev/null
+++ b/include/dt-bindings/power/renesas,r8a779h0-sysc.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (C) 2023 Renesas Electronics Corp.
+ */
+#ifndef __DT_BINDINGS_POWER_RENESAS_R8A779H0_SYSC_H__
+#define __DT_BINDINGS_POWER_RENESAS_R8A779H0_SYSC_H__
+
+/*
+ * These power domain indices match the Power Domain Register Numbers (PDR)
+ */
+
+#define R8A779H0_PD_A1E0D0C0		0
+#define R8A779H0_PD_A1E0D0C1		1
+#define R8A779H0_PD_A1E0D0C2		2
+#define R8A779H0_PD_A1E0D0C3		3
+#define R8A779H0_PD_A2E0D0		16
+#define R8A779H0_PD_A3CR0		21
+#define R8A779H0_PD_A3CR1		22
+#define R8A779H0_PD_A3CR2		23
+#define R8A779H0_PD_A33DGA		24
+#define R8A779H0_PD_A23DGB		25
+#define R8A779H0_PD_C4			31
+#define R8A779H0_PD_A1DSP0		33
+#define R8A779H0_PD_A2IMP01		34
+#define R8A779H0_PD_A2PSC		35
+#define R8A779H0_PD_A2CV0		36
+#define R8A779H0_PD_A2CV1		37
+#define R8A779H0_PD_A3IMR0		38
+#define R8A779H0_PD_A3IMR1		39
+#define R8A779H0_PD_A3VC		40
+#define R8A779H0_PD_A2CN0		42
+#define R8A779H0_PD_A1CN0		44
+#define R8A779H0_PD_A1DSP1		45
+#define R8A779H0_PD_A2DMA		47
+#define R8A779H0_PD_A2CV2		48
+#define R8A779H0_PD_A2CV3		49
+#define R8A779H0_PD_A3IMR2		50
+#define R8A779H0_PD_A3IMR3		51
+#define R8A779H0_PD_A3PCI		52
+#define R8A779H0_PD_A2PCIPHY		53
+#define R8A779H0_PD_A3VIP0		56
+#define R8A779H0_PD_A3VIP2		58
+#define R8A779H0_PD_A3ISP0		60
+#define R8A779H0_PD_A3DUL		62
+
+/* Always-on power area */
+#define R8A779H0_PD_ALWAYS_ON		64
+
+#endif /* __DT_BINDINGS_POWER_RENESAS_R8A779H0_SYSC_H__ */
diff --git a/include/linux/of.h b/include/linux/of.h
index 6a9ddf20e79a..331e05918f11 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -294,6 +294,8 @@ extern struct device_node *of_get_next_child(const struct device_node *node,
 					     struct device_node *prev);
 extern struct device_node *of_get_next_available_child(
 	const struct device_node *node, struct device_node *prev);
+extern struct device_node *of_get_next_reserved_child(
+	const struct device_node *node, struct device_node *prev);
 
 extern struct device_node *of_get_compatible_child(const struct device_node *parent,
 					const char *compatible);
@@ -541,6 +543,12 @@ static inline struct device_node *of_get_next_available_child(
 	return NULL;
 }
 
+static inline struct device_node *of_get_next_reserved_child(
+	const struct device_node *node, struct device_node *prev)
+{
+	return NULL;
+}
+
 static inline struct device_node *of_find_node_with_property(
 	struct device_node *from, const char *prop_name)
 {
@@ -1431,6 +1439,9 @@ static inline int of_property_read_s32(const struct device_node *np,
 #define for_each_available_child_of_node(parent, child) \
 	for (child = of_get_next_available_child(parent, NULL); child != NULL; \
 	     child = of_get_next_available_child(parent, child))
+#define for_each_reserved_child_of_node(parent, child)			\
+	for (child = of_get_next_reserved_child(parent, NULL); child != NULL; \
+	     child = of_get_next_reserved_child(parent, child))
 
 #define for_each_of_cpu_node(cpu) \
 	for (cpu = of_get_next_cpu_node(NULL); cpu != NULL; \