Merge tag 'renesas-arm-dt-for-v5.14-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/dt

Renesas ARM DT updates for v5.14

  - GPIO extender support for the Falcon development board,
  - Switches support for the ALT development board,
  - Miscellaneous fixes and improvements.

* tag 'renesas-arm-dt-for-v5.14-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
  ARM: dts: alt: Add SW2 as GPIO keys
  ARM: dts: renesas: Move enable-method to CPU nodes
  arm64: dts: renesas: beacon: Fix USB ref clock references
  arm64: dts: renesas: beacon: Fix USB extal reference
  ARM: dts: rcar-gen1: Correct internal delay for i2c[123]
  arm64: dts: renesas: eagle: Add x1 clock
  ARM: dts: koelsch: Rename sw2 to keyboard
  ARM: dts: r8a7779, marzen: Fix DU clock names
  arm64: dts: renesas: v3msk: Fix memory size
  arm64: dts: renesas: condor: Switch eMMC bus to 1V8
  arm64: dts: renesas: falcon-csi-dsi: Add GPIO extenders
  arm64: dts: renesas: beacon kit: Setup AVB refclk
  arm64: dts: renesas: Add fck to etheravb-rcar-gen3 clock-names list
  ARM: dts: renesas: Add fck to etheravb-rcar-gen2 clock-names list

Link: https://lore.kernel.org/r/cover.1622188835.git.geert+renesas@glider.be
Signed-off-by: Olof Johansson <olof@lixom.net>

15 files changed, 89 insertions, 13 deletions

diff --git a/arch/arm/boot/dts/r8a7742.dtsi b/arch/arm/boot/dts/r8a7742.dtsi
index dd1b976d2a6c..a2279686ffcc 100644
--- a/arch/arm/boot/dts/r8a7742.dtsi
+++ b/arch/arm/boot/dts/r8a7742.dtsi
@@ -47,7 +47,6 @@
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		enable-method = "renesas,apmu";
 
 		cpu0: cpu@0 {
 			device_type = "cpu";
@@ -56,6 +55,7 @@
 			clock-frequency = <1400000000>;
 			clocks = <&cpg CPG_CORE R8A7742_CLK_Z>;
 			power-domains = <&sysc R8A7742_PD_CA15_CPU0>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA15>;
 			capacity-dmips-mhz = <1024>;
 			voltage-tolerance = <1>; /* 1% */
@@ -77,6 +77,7 @@
 			clock-frequency = <1400000000>;
 			clocks = <&cpg CPG_CORE R8A7742_CLK_Z>;
 			power-domains = <&sysc R8A7742_PD_CA15_CPU1>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA15>;
 			capacity-dmips-mhz = <1024>;
 			voltage-tolerance = <1>; /* 1% */
@@ -98,6 +99,7 @@
 			clock-frequency = <1400000000>;
 			clocks = <&cpg CPG_CORE R8A7742_CLK_Z>;
 			power-domains = <&sysc R8A7742_PD_CA15_CPU2>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA15>;
 			capacity-dmips-mhz = <1024>;
 			voltage-tolerance = <1>; /* 1% */
@@ -119,6 +121,7 @@
 			clock-frequency = <1400000000>;
 			clocks = <&cpg CPG_CORE R8A7742_CLK_Z>;
 			power-domains = <&sysc R8A7742_PD_CA15_CPU3>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA15>;
 			capacity-dmips-mhz = <1024>;
 			voltage-tolerance = <1>; /* 1% */
@@ -750,6 +753,7 @@
 			reg = <0 0xe6800000 0 0x800>, <0 0xee0e8000 0 0x4000>;
 			interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 812>;
+			clock-names = "fck";
 			power-domains = <&sysc R8A7742_PD_ALWAYS_ON>;
 			resets = <&cpg 812>;
 			#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7743.dtsi b/arch/arm/boot/dts/r8a7743.dtsi
index 6e37b8da278b..7e5e09d210ec 100644
--- a/arch/arm/boot/dts/r8a7743.dtsi
+++ b/arch/arm/boot/dts/r8a7743.dtsi
@@ -49,7 +49,6 @@
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		enable-method = "renesas,apmu";
 
 		cpu0: cpu@0 {
 			device_type = "cpu";
@@ -59,6 +58,7 @@
 			clocks = <&cpg CPG_CORE R8A7743_CLK_Z>;
 			clock-latency = <300000>; /* 300 us */
 			power-domains = <&sysc R8A7743_PD_CA15_CPU0>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA15>;
 
 			/* kHz - uV - OPPs unknown yet */
@@ -78,6 +78,7 @@
 			clocks = <&cpg CPG_CORE R8A7743_CLK_Z>;
 			clock-latency = <300000>; /* 300 us */
 			power-domains = <&sysc R8A7743_PD_CA15_CPU1>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA15>;
 
 			/* kHz - uV - OPPs unknown yet */
@@ -702,6 +703,7 @@
 			reg = <0 0xe6800000 0 0x800>, <0 0xee0e8000 0 0x4000>;
 			interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 812>;
+			clock-names = "fck";
 			power-domains = <&sysc R8A7743_PD_ALWAYS_ON>;
 			resets = <&cpg 812>;
 			#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7744.dtsi b/arch/arm/boot/dts/r8a7744.dtsi
index ace20861c0c4..8419683a9d83 100644
--- a/arch/arm/boot/dts/r8a7744.dtsi
+++ b/arch/arm/boot/dts/r8a7744.dtsi
@@ -49,7 +49,6 @@
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		enable-method = "renesas,apmu";
 
 		cpu0: cpu@0 {
 			device_type = "cpu";
@@ -59,6 +58,7 @@
 			clocks = <&cpg CPG_CORE R8A7744_CLK_Z>;
 			clock-latency = <300000>; /* 300 us */
 			power-domains = <&sysc R8A7744_PD_CA15_CPU0>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA15>;
 
 			/* kHz - uV - OPPs unknown yet */
@@ -78,6 +78,7 @@
 			clocks = <&cpg CPG_CORE R8A7744_CLK_Z>;
 			clock-latency = <300000>; /* 300 us */
 			power-domains = <&sysc R8A7744_PD_CA15_CPU1>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA15>;
 
 			/* kHz - uV - OPPs unknown yet */
@@ -702,6 +703,7 @@
 			reg = <0 0xe6800000 0 0x800>, <0 0xee0e8000 0 0x4000>;
 			interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 812>;
+			clock-names = "fck";
 			power-domains = <&sysc R8A7744_PD_ALWAYS_ON>;
 			resets = <&cpg 812>;
 			#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7745.dtsi b/arch/arm/boot/dts/r8a7745.dtsi
index be33bdabe452..f877c51f769c 100644
--- a/arch/arm/boot/dts/r8a7745.dtsi
+++ b/arch/arm/boot/dts/r8a7745.dtsi
@@ -64,7 +64,6 @@
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		enable-method = "renesas,apmu";
 
 		cpu0: cpu@0 {
 			device_type = "cpu";
@@ -73,6 +72,7 @@
 			clock-frequency = <1000000000>;
 			clocks = <&cpg CPG_CORE R8A7745_CLK_Z2>;
 			power-domains = <&sysc R8A7745_PD_CA7_CPU0>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA7>;
 		};
 
@@ -83,6 +83,7 @@
 			clock-frequency = <1000000000>;
 			clocks = <&cpg CPG_CORE R8A7745_CLK_Z2>;
 			power-domains = <&sysc R8A7745_PD_CA7_CPU1>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA7>;
 		};
 
@@ -645,6 +646,7 @@
 			reg = <0 0xe6800000 0 0x800>, <0 0xee0e8000 0 0x4000>;
 			interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 812>;
+			clock-names = "fck";
 			power-domains = <&sysc R8A7745_PD_ALWAYS_ON>;
 			resets = <&cpg 812>;
 			#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a77470.dtsi b/arch/arm/boot/dts/r8a77470.dtsi
index a1d7f6e7a2e3..13ef1e9bf4d5 100644
--- a/arch/arm/boot/dts/r8a77470.dtsi
+++ b/arch/arm/boot/dts/r8a77470.dtsi
@@ -25,7 +25,6 @@
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		enable-method = "renesas,apmu";
 
 		cpu0: cpu@0 {
 			device_type = "cpu";
@@ -34,6 +33,7 @@
 			clock-frequency = <1000000000>;
 			clocks = <&cpg CPG_CORE R8A77470_CLK_Z2>;
 			power-domains = <&sysc R8A77470_PD_CA7_CPU0>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA7>;
 		};
 
@@ -44,6 +44,7 @@
 			clock-frequency = <1000000000>;
 			clocks = <&cpg CPG_CORE R8A77470_CLK_Z2>;
 			power-domains = <&sysc R8A77470_PD_CA7_CPU1>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA7>;
 		};
 
@@ -537,6 +538,7 @@
 			reg = <0 0xe6800000 0 0x800>, <0 0xee0e8000 0 0x4000>;
 			interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 812>;
+			clock-names = "fck";
 			power-domains = <&sysc R8A77470_PD_ALWAYS_ON>;
 			resets = <&cpg 812>;
 			#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7778.dtsi b/arch/arm/boot/dts/r8a7778.dtsi
index c9f8735860bf..95efbafb0b70 100644
--- a/arch/arm/boot/dts/r8a7778.dtsi
+++ b/arch/arm/boot/dts/r8a7778.dtsi
@@ -166,6 +166,7 @@
 		interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp0_clks R8A7778_CLK_I2C1>;
 		power-domains = <&cpg_clocks>;
+		i2c-scl-internal-delay-ns = <5>;
 		status = "disabled";
 	};
 
@@ -177,6 +178,7 @@
 		interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp0_clks R8A7778_CLK_I2C2>;
 		power-domains = <&cpg_clocks>;
+		i2c-scl-internal-delay-ns = <5>;
 		status = "disabled";
 	};
 
@@ -188,6 +190,7 @@
 		interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp0_clks R8A7778_CLK_I2C3>;
 		power-domains = <&cpg_clocks>;
+		i2c-scl-internal-delay-ns = <5>;
 		status = "disabled";
 	};
 
diff --git a/arch/arm/boot/dts/r8a7779-marzen.dts b/arch/arm/boot/dts/r8a7779-marzen.dts
index d2240b89ee52..465845323495 100644
--- a/arch/arm/boot/dts/r8a7779-marzen.dts
+++ b/arch/arm/boot/dts/r8a7779-marzen.dts
@@ -145,7 +145,7 @@
 	status = "okay";
 
 	clocks = <&mstp1_clks R8A7779_CLK_DU>, <&x3_clk>;
-	clock-names = "du", "dclkin.0";
+	clock-names = "du.0", "dclkin.0";
 
 	ports {
 		port@0 {
diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi
index 74d7e9084eab..39fc58f32df6 100644
--- a/arch/arm/boot/dts/r8a7779.dtsi
+++ b/arch/arm/boot/dts/r8a7779.dtsi
@@ -198,6 +198,7 @@
 		interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp0_clks R8A7779_CLK_I2C1>;
 		power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;
+		i2c-scl-internal-delay-ns = <5>;
 		status = "disabled";
 	};
 
@@ -209,6 +210,7 @@
 		interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp0_clks R8A7779_CLK_I2C2>;
 		power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;
+		i2c-scl-internal-delay-ns = <5>;
 		status = "disabled";
 	};
 
@@ -220,6 +222,7 @@
 		interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp0_clks R8A7779_CLK_I2C3>;
 		power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;
+		i2c-scl-internal-delay-ns = <5>;
 		status = "disabled";
 	};
 
@@ -463,6 +466,7 @@
 		reg = <0xfff80000 0x40000>;
 		interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp1_clks R8A7779_CLK_DU>;
+		clock-names = "du.0";
 		power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;
 		status = "disabled";
 
diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi
index de29394eed63..ed6dd4fcc503 100644
--- a/arch/arm/boot/dts/r8a7790.dtsi
+++ b/arch/arm/boot/dts/r8a7790.dtsi
@@ -69,7 +69,6 @@
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		enable-method = "renesas,apmu";
 
 		cpu0: cpu@0 {
 			device_type = "cpu";
@@ -78,6 +77,7 @@
 			clock-frequency = <1300000000>;
 			clocks = <&cpg CPG_CORE R8A7790_CLK_Z>;
 			power-domains = <&sysc R8A7790_PD_CA15_CPU0>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA15>;
 			capacity-dmips-mhz = <1024>;
 			voltage-tolerance = <1>; /* 1% */
@@ -99,6 +99,7 @@
 			clock-frequency = <1300000000>;
 			clocks = <&cpg CPG_CORE R8A7790_CLK_Z>;
 			power-domains = <&sysc R8A7790_PD_CA15_CPU1>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA15>;
 			capacity-dmips-mhz = <1024>;
 			voltage-tolerance = <1>; /* 1% */
@@ -120,6 +121,7 @@
 			clock-frequency = <1300000000>;
 			clocks = <&cpg CPG_CORE R8A7790_CLK_Z>;
 			power-domains = <&sysc R8A7790_PD_CA15_CPU2>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA15>;
 			capacity-dmips-mhz = <1024>;
 			voltage-tolerance = <1>; /* 1% */
@@ -141,6 +143,7 @@
 			clock-frequency = <1300000000>;
 			clocks = <&cpg CPG_CORE R8A7790_CLK_Z>;
 			power-domains = <&sysc R8A7790_PD_CA15_CPU3>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA15>;
 			capacity-dmips-mhz = <1024>;
 			voltage-tolerance = <1>; /* 1% */
@@ -162,6 +165,7 @@
 			clock-frequency = <780000000>;
 			clocks = <&cpg CPG_CORE R8A7790_CLK_Z2>;
 			power-domains = <&sysc R8A7790_PD_CA7_CPU0>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA7>;
 			capacity-dmips-mhz = <539>;
 		};
@@ -173,6 +177,7 @@
 			clock-frequency = <780000000>;
 			clocks = <&cpg CPG_CORE R8A7790_CLK_Z2>;
 			power-domains = <&sysc R8A7790_PD_CA7_CPU1>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA7>;
 			capacity-dmips-mhz = <539>;
 		};
@@ -184,6 +189,7 @@
 			clock-frequency = <780000000>;
 			clocks = <&cpg CPG_CORE R8A7790_CLK_Z2>;
 			power-domains = <&sysc R8A7790_PD_CA7_CPU2>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA7>;
 			capacity-dmips-mhz = <539>;
 		};
@@ -195,6 +201,7 @@
 			clock-frequency = <780000000>;
 			clocks = <&cpg CPG_CORE R8A7790_CLK_Z2>;
 			power-domains = <&sysc R8A7790_PD_CA7_CPU3>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA7>;
 			capacity-dmips-mhz = <539>;
 		};
@@ -768,6 +775,7 @@
 			reg = <0 0xe6800000 0 0x800>, <0 0xee0e8000 0 0x4000>;
 			interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 812>;
+			clock-names = "fck";
 			power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
 			resets = <&cpg 812>;
 			#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index 61e881bbbf6e..2a8b6fd9095c 100644
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -81,7 +81,7 @@
 	keyboard {
 		compatible = "gpio-keys";
 
-		pinctrl-0 = <&sw2_pins>;
+		pinctrl-0 = <&keyboard_pins>;
 		pinctrl-names = "default";
 
 		key-1 {
@@ -622,7 +622,7 @@
 		function = "audio_clk";
 	};
 
-	sw2_pins: sw2 {
+	keyboard_pins: keyboard {
 		pins = "GP_5_0", "GP_5_1", "GP_5_2", "GP_5_3";
 		bias-pull-up;
 	};
diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi
index 9d8320f71a6a..0ccc162d3c2c 100644
--- a/arch/arm/boot/dts/r8a7791.dtsi
+++ b/arch/arm/boot/dts/r8a7791.dtsi
@@ -68,7 +68,6 @@
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		enable-method = "renesas,apmu";
 
 		cpu0: cpu@0 {
 			device_type = "cpu";
@@ -77,6 +76,7 @@
 			clock-frequency = <1500000000>;
 			clocks = <&cpg CPG_CORE R8A7791_CLK_Z>;
 			power-domains = <&sysc R8A7791_PD_CA15_CPU0>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA15>;
 			voltage-tolerance = <1>; /* 1% */
 			clock-latency = <300000>; /* 300 us */
@@ -97,6 +97,7 @@
 			clock-frequency = <1500000000>;
 			clocks = <&cpg CPG_CORE R8A7791_CLK_Z>;
 			power-domains = <&sysc R8A7791_PD_CA15_CPU1>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA15>;
 			voltage-tolerance = <1>; /* 1% */
 			clock-latency = <300000>; /* 300 us */
@@ -728,6 +729,7 @@
 			reg = <0 0xe6800000 0 0x800>, <0 0xee0e8000 0 0x4000>;
 			interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 812>;
+			clock-names = "fck";
 			power-domains = <&sysc R8A7791_PD_ALWAYS_ON>;
 			resets = <&cpg 812>;
 			#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7792.dtsi b/arch/arm/boot/dts/r8a7792.dtsi
index 253e8bf643d1..9cdb73894ac2 100644
--- a/arch/arm/boot/dts/r8a7792.dtsi
+++ b/arch/arm/boot/dts/r8a7792.dtsi
@@ -45,7 +45,6 @@
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		enable-method = "renesas,apmu";
 
 		cpu0: cpu@0 {
 			device_type = "cpu";
@@ -54,6 +53,7 @@
 			clock-frequency = <1000000000>;
 			clocks = <&cpg CPG_CORE R8A7792_CLK_Z>;
 			power-domains = <&sysc R8A7792_PD_CA15_CPU0>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA15>;
 		};
 
@@ -64,6 +64,7 @@
 			clock-frequency = <1000000000>;
 			clocks = <&cpg CPG_CORE R8A7792_CLK_Z>;
 			power-domains = <&sysc R8A7792_PD_CA15_CPU1>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA15>;
 		};
 
@@ -537,6 +538,7 @@
 			reg = <0 0xe6800000 0 0x800>, <0 0xee0e8000 0 0x4000>;
 			interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 812>;
+			clock-names = "fck";
 			power-domains = <&sysc R8A7792_PD_ALWAYS_ON>;
 			resets = <&cpg 812>;
 			#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7793.dtsi b/arch/arm/boot/dts/r8a7793.dtsi
index 6d74475030ed..dea4b1e108af 100644
--- a/arch/arm/boot/dts/r8a7793.dtsi
+++ b/arch/arm/boot/dts/r8a7793.dtsi
@@ -60,7 +60,6 @@
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		enable-method = "renesas,apmu";
 
 		cpu0: cpu@0 {
 			device_type = "cpu";
@@ -69,6 +68,7 @@
 			clock-frequency = <1500000000>;
 			clocks = <&cpg CPG_CORE R8A7793_CLK_Z>;
 			power-domains = <&sysc R8A7793_PD_CA15_CPU0>;
+			enable-method = "renesas,apmu";
 			voltage-tolerance = <1>; /* 1% */
 			clock-latency = <300000>; /* 300 us */
 
@@ -89,6 +89,7 @@
 			clock-frequency = <1500000000>;
 			clocks = <&cpg CPG_CORE R8A7793_CLK_Z>;
 			power-domains = <&sysc R8A7793_PD_CA15_CPU1>;
+			enable-method = "renesas,apmu";
 			voltage-tolerance = <1>; /* 1% */
 			clock-latency = <300000>; /* 300 us */
 
diff --git a/arch/arm/boot/dts/r8a7794-alt.dts b/arch/arm/boot/dts/r8a7794-alt.dts
index f9dba5688d3f..f330d796a772 100644
--- a/arch/arm/boot/dts/r8a7794-alt.dts
+++ b/arch/arm/boot/dts/r8a7794-alt.dts
@@ -8,6 +8,7 @@
 /dts-v1/;
 #include "r8a7794.dtsi"
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 
 / {
 	model = "Alt";
@@ -94,6 +95,42 @@
 		#size-cells = <1>;
 	};
 
+	keyboard {
+		compatible = "gpio-keys";
+
+		pinctrl-0 = <&keyboard_pins>;
+		pinctrl-names = "default";
+
+		one {
+			linux,code = <KEY_1>;
+			label = "SW2-1";
+			wakeup-source;
+			debounce-interval = <20>;
+			gpios = <&gpio3 9 GPIO_ACTIVE_LOW>;
+		};
+		two {
+			linux,code = <KEY_2>;
+			label = "SW2-2";
+			wakeup-source;
+			debounce-interval = <20>;
+			gpios = <&gpio3 10 GPIO_ACTIVE_LOW>;
+		};
+		three {
+			linux,code = <KEY_3>;
+			label = "SW2-3";
+			wakeup-source;
+			debounce-interval = <20>;
+			gpios = <&gpio3 11 GPIO_ACTIVE_LOW>;
+		};
+		four {
+			linux,code = <KEY_4>;
+			label = "SW2-4";
+			wakeup-source;
+			debounce-interval = <20>;
+			gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
+		};
+	};
+
 	vga-encoder {
 		compatible = "adi,adv7123";
 
@@ -319,6 +356,11 @@
 		groups = "usb1";
 		function = "usb1";
 	};
+
+	keyboard_pins: keyboard {
+		pins = "GP_3_9", "GP_3_10", "GP_3_11", "GP_3_12";
+		bias-pull-up;
+	};
 };
 
 &cmt0 {
diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi
index 330dc516ecd1..eac9ed8df0be 100644
--- a/arch/arm/boot/dts/r8a7794.dtsi
+++ b/arch/arm/boot/dts/r8a7794.dtsi
@@ -62,7 +62,6 @@
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		enable-method = "renesas,apmu";
 
 		cpu0: cpu@0 {
 			device_type = "cpu";
@@ -71,6 +70,7 @@
 			clock-frequency = <1000000000>;
 			clocks = <&cpg CPG_CORE R8A7794_CLK_Z2>;
 			power-domains = <&sysc R8A7794_PD_CA7_CPU0>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA7>;
 		};
 
@@ -81,6 +81,7 @@
 			clock-frequency = <1000000000>;
 			clocks = <&cpg CPG_CORE R8A7794_CLK_Z2>;
 			power-domains = <&sysc R8A7794_PD_CA7_CPU1>;
+			enable-method = "renesas,apmu";
 			next-level-cache = <&L2_CA7>;
 		};
 
@@ -598,6 +599,7 @@
 			reg = <0 0xe6800000 0 0x800>, <0 0xee0e8000 0 0x4000>;
 			interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 812>;
+			clock-names = "fck";
 			power-domains = <&sysc R8A7794_PD_ALWAYS_ON>;
 			resets = <&cpg 812>;
 			#address-cells = <1>;