Merge tag 'renesas-dts-for-v6.13-tag2' of https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into soc/dt

Renesas DTS updates for v6.13 (take two)

  - Add a CPU Operating Performance Points table for the RZ/V2H SoC,
  - Add Battery Backup Function (VBATTB) and RTC support for the RZ/G3S
    SoC and the RZ/G3S SMARC SoM,
  - Add DMAC support for MMC on the RZ/A1H SoC and the Genmai
    development board,
  - Miscellaneous fixes and improvements.

* tag 'renesas-dts-for-v6.13-tag2' of https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
  arm64: dts: renesas: rzg3s-smarc-som: Enable RTC
  arm64: dts: renesas: rzg3s-smarc-som: Enable VBATTB
  arm64: dts: renesas: r9a08g045: Add RTC node
  arm64: dts: renesas: r9a08g045: Add VBATTB node
  arm64: dts: renesas: white-hawk-cpu-common: Add pin control for DSI-eDP IRQ
  ARM: dts: renesas: r7s72100: Add DMA support to MMCIF
  ARM: dts: renesas: r7s72100: Add DMAC node
  arm64: dts: renesas: hihope: Drop #sound-dai-cells
  dt-bindings: clock: renesas,r9a08g045-vbattb: Document VBATTB
  dt-bindings: clock: r9a08g045-cpg: Add power domain ID for RTC
  arm64: dts: renesas: r9a09g057: Add OPP table

Link: https://lore.kernel.org/r/cover.1730726155.git.geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

6 files changed, 99 insertions, 6 deletions

diff --git a/arch/arm64/boot/dts/renesas/hihope-rev2.dtsi b/arch/arm64/boot/dts/renesas/hihope-rev2.dtsi
index 8e2db1d6ca81..25c55b32aafe 100644
--- a/arch/arm64/boot/dts/renesas/hihope-rev2.dtsi
+++ b/arch/arm64/boot/dts/renesas/hihope-rev2.dtsi
@@ -69,9 +69,6 @@
 
 	status = "okay";
 
-	/* Single DAI */
-	#sound-dai-cells = <0>;
-
 	rsnd_port: port {
 		rsnd_endpoint: endpoint {
 			remote-endpoint = <&dw_hdmi0_snd_in>;
diff --git a/arch/arm64/boot/dts/renesas/hihope-rev4.dtsi b/arch/arm64/boot/dts/renesas/hihope-rev4.dtsi
index 66f3affe0469..deb69c272775 100644
--- a/arch/arm64/boot/dts/renesas/hihope-rev4.dtsi
+++ b/arch/arm64/boot/dts/renesas/hihope-rev4.dtsi
@@ -84,9 +84,6 @@
 	pinctrl-names = "default";
 	status = "okay";
 
-	/* Single DAI */
-	#sound-dai-cells = <0>;
-
 	/* audio_clkout0/1/2/3 */
 	#clock-cells = <1>;
 	clock-frequency = <12288000 11289600>;
diff --git a/arch/arm64/boot/dts/renesas/r9a08g045.dtsi b/arch/arm64/boot/dts/renesas/r9a08g045.dtsi
index 067a26a66c24..be8a0a768c65 100644
--- a/arch/arm64/boot/dts/renesas/r9a08g045.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a08g045.dtsi
@@ -7,6 +7,7 @@
 
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/r9a08g045-cpg.h>
+#include <dt-bindings/clock/renesas,r9a08g045-vbattb.h>
 
 / {
 	compatible = "renesas,r9a08g045";
@@ -72,6 +73,32 @@
 			status = "disabled";
 		};
 
+		rtc: rtc@1004ec00 {
+			compatible = "renesas,r9a08g045-rtca3", "renesas,rz-rtca3";
+			reg = <0 0x1004ec00 0 0x400>;
+			interrupts = <GIC_SPI 315 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 316 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "alarm", "period", "carry";
+			clocks = <&cpg CPG_MOD R9A08G045_VBAT_BCLK>, <&vbattb VBATTB_VBATTCLK>;
+			clock-names = "bus", "counter";
+			power-domains = <&cpg>;
+			resets = <&cpg R9A08G045_VBAT_BRESETN>;
+			status = "disabled";
+		};
+
+		vbattb: clock-controller@1005c000 {
+			compatible = "renesas,r9a08g045-vbattb";
+			reg = <0 0x1005c000 0 0x1000>;
+			interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD R9A08G045_VBAT_BCLK>, <&vbattb_xtal>;
+			clock-names = "bclk", "rtx";
+			#clock-cells = <1>;
+			power-domains = <&cpg>;
+			resets = <&cpg R9A08G045_VBAT_BRESETN>;
+			status = "disabled";
+		};
+
 		i2c0: i2c@10090000 {
 			compatible = "renesas,riic-r9a08g045", "renesas,riic-r9a09g057";
 			reg = <0 0x10090000 0 0x400>;
@@ -425,4 +452,11 @@
 		interrupt-names = "sec-phys", "phys", "virt", "hyp-phys",
 				  "hyp-virt";
 	};
+
+	vbattb_xtal: vbattb-xtal {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		/* This value must be overridden by the board. */
+		clock-frequency = <0>;
+	};
 };
diff --git a/arch/arm64/boot/dts/renesas/r9a09g057.dtsi b/arch/arm64/boot/dts/renesas/r9a09g057.dtsi
index 1ad5a1b6917f..4bbe75b81f54 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g057.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g057.dtsi
@@ -20,6 +20,39 @@
 		clock-frequency = <0>;
 	};
 
+	/*
+	 * The default cluster table is based on the assumption that the PLLCA55 clock
+	 * frequency is set to 1.7GHz. The PLLCA55 clock frequency can be set to
+	 * 1.7/1.6/1.5/1.1 GHz based on the BOOTPLLCA_0/1 pins (and additionally can be
+	 * clocked to 1.8GHz as well). The table below should be overridden in the board
+	 * DTS based on the PLLCA55 clock frequency.
+	 */
+	cluster0_opp: opp-table-0 {
+		compatible = "operating-points-v2";
+
+		opp-1700000000 {
+			opp-hz = /bits/ 64 <1700000000>;
+			opp-microvolt = <900000>;
+			clock-latency-ns = <300000>;
+		};
+		opp-850000000 {
+			opp-hz = /bits/ 64 <850000000>;
+			opp-microvolt = <800000>;
+			clock-latency-ns = <300000>;
+		};
+		opp-425000000 {
+			opp-hz = /bits/ 64 <425000000>;
+			opp-microvolt = <800000>;
+			clock-latency-ns = <300000>;
+		};
+		opp-212500000 {
+			opp-hz = /bits/ 64 <212500000>;
+			opp-microvolt = <800000>;
+			clock-latency-ns = <300000>;
+			opp-suspend;
+		};
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
@@ -30,6 +63,8 @@
 			device_type = "cpu";
 			next-level-cache = <&L3_CA55>;
 			enable-method = "psci";
+			clocks = <&cpg CPG_CORE R9A09G057_CA55_0_CORE_CLK0>;
+			operating-points-v2 = <&cluster0_opp>;
 		};
 
 		cpu1: cpu@100 {
@@ -38,6 +73,8 @@
 			device_type = "cpu";
 			next-level-cache = <&L3_CA55>;
 			enable-method = "psci";
+			clocks = <&cpg CPG_CORE R9A09G057_CA55_0_CORE_CLK1>;
+			operating-points-v2 = <&cluster0_opp>;
 		};
 
 		cpu2: cpu@200 {
@@ -46,6 +83,8 @@
 			device_type = "cpu";
 			next-level-cache = <&L3_CA55>;
 			enable-method = "psci";
+			clocks = <&cpg CPG_CORE R9A09G057_CA55_0_CORE_CLK2>;
+			operating-points-v2 = <&cluster0_opp>;
 		};
 
 		cpu3: cpu@300 {
@@ -54,6 +93,8 @@
 			device_type = "cpu";
 			next-level-cache = <&L3_CA55>;
 			enable-method = "psci";
+			clocks = <&cpg CPG_CORE R9A09G057_CA55_0_CORE_CLK3>;
+			operating-points-v2 = <&cluster0_opp>;
 		};
 
 		L3_CA55: cache-controller-0 {
diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi
index 71424e69939e..2ed01d391554 100644
--- a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi
@@ -5,6 +5,7 @@
  * Copyright (C) 2023 Renesas Electronics Corp.
  */
 
+#include <dt-bindings/clock/renesas,r9a08g045-vbattb.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
 
@@ -344,6 +345,21 @@
 	};
 };
 
+&rtc {
+	status = "okay";
+};
+
+&vbattb {
+	assigned-clocks = <&vbattb VBATTB_MUX>;
+	assigned-clock-parents = <&vbattb VBATTB_XC>;
+	quartz-load-femtofarads = <12500>;
+	status = "okay";
+};
+
+&vbattb_xtal {
+	clock-frequency = <32768>;
+};
+
 &wdt0 {
 	timeout-sec = <60>;
 	status = "okay";
diff --git a/arch/arm64/boot/dts/renesas/white-hawk-cpu-common.dtsi b/arch/arm64/boot/dts/renesas/white-hawk-cpu-common.dtsi
index 337ba68342c4..f24814d7c924 100644
--- a/arch/arm64/boot/dts/renesas/white-hawk-cpu-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/white-hawk-cpu-common.dtsi
@@ -238,6 +238,9 @@
 	clock-frequency = <400000>;
 
 	bridge@2c {
+		pinctrl-0 = <&irq0_pins>;
+		pinctrl-names = "default";
+
 		compatible = "ti,sn65dsi86";
 		reg = <0x2c>;
 
@@ -341,6 +344,11 @@
 		function = "i2c1";
 	};
 
+	irq0_pins: irq0 {
+		groups = "intc_ex_irq0_a";
+		function = "intc_ex";
+	};
+
 	keys_pins: keys {
 		pins = "GP_5_0", "GP_5_1", "GP_5_2";
 		bias-pull-up;