]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
arm64: dts: renesas: r8a779md: Add support for R-Car M3Le R8A779MD Geist
authorNguyen Tran <nguyen.tran.pz@bp.renesas.com>
Fri, 22 May 2026 17:19:57 +0000 (19:19 +0200)
committerGeert Uytterhoeven <geert+renesas@glider.be>
Sun, 31 May 2026 08:52:23 +0000 (10:52 +0200)
Add support for the Geist board based on the Renesas R-Car R8A779MD (M3Le)
SoC, a register-compatible variant of the R8A77965 (M3-N) with reduced set
of peripherals.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Nguyen Tran <nguyen.tran.pz@bp.renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Link: https://patch.msgid.link/20260522172000.15096-1-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
arch/arm64/boot/dts/renesas/Makefile
arch/arm64/boot/dts/renesas/r8a779md-geist.dts [new file with mode: 0644]

index ca45d2857ea7f2c05c0d52c5462a0d491f7e71f3..8bf155badd111db619d2c067542582cd9fe405e2 100644 (file)
@@ -60,6 +60,7 @@ r8a77965-salvator-xs-panel-aa104xd12-dtbs := r8a77965-salvator-xs.dtb salvator-p
 dtb-$(CONFIG_ARCH_R8A77965) += r8a77965-salvator-xs-panel-aa104xd12.dtb
 dtb-$(CONFIG_ARCH_R8A77965) += r8a77965-ulcb.dtb
 dtb-$(CONFIG_ARCH_R8A77965) += r8a77965-ulcb-kf.dtb
+dtb-$(CONFIG_ARCH_R8A77965) += r8a779md-geist.dtb
 
 dtb-$(CONFIG_ARCH_R8A77970) += r8a77970-eagle.dtb
 dtb-$(CONFIG_ARCH_R8A77970) += r8a77970-eagle-function-expansion.dtbo
diff --git a/arch/arm64/boot/dts/renesas/r8a779md-geist.dts b/arch/arm64/boot/dts/renesas/r8a779md-geist.dts
new file mode 100644 (file)
index 0000000..0e47243
--- /dev/null
@@ -0,0 +1,720 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Device Tree Source for the Geist board with R-Car M3Le
+ *
+ * Copyright (C) 2025-2026 Renesas Electronics Corp.
+ */
+
+/dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include "r8a779md.dtsi"
+
+/ {
+       model = "Renesas Geist board based on r8a779md";
+       compatible = "renesas,geist", "renesas,r8a779md", "renesas,r8a77965";
+
+       aliases {
+               serial0 = &scif2;
+               serial1 = &hscif1;
+               ethernet0 = &avb;
+               mmc0 = &sdhi2;
+               mmc1 = &sdhi0;
+       };
+
+       audio_clkout: audio-clkout {
+               /*
+                * This is same as <&rcar_sound 0>
+                * but needed to avoid cs2500/rcar_sound probe dead-lock
+                */
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <12288000>;
+       };
+
+       backlight: backlight {
+               compatible = "pwm-backlight";
+               pwms = <&pwm1 0 50000>;
+
+               brightness-levels = <256 128 64 16 8 4 0>;
+               default-brightness-level = <6>;
+
+               power-supply = <&reg_12v>;
+               enable-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
+       };
+
+       chosen {
+               bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
+               stdout-path = "serial0:115200n8";
+       };
+
+       cvbs-in {
+               compatible = "composite-video-connector";
+               label = "CVBS IN";
+
+               port {
+                       cvbs_con: endpoint {
+                               remote-endpoint = <&adv7482_ain7>;
+                       };
+               };
+       };
+
+       hdmi-in {
+               compatible = "hdmi-connector";
+               label = "HDMI IN";
+               type = "a";
+
+               port {
+                       hdmi_in_con: endpoint {
+                               remote-endpoint = <&adv7482_hdmi>;
+                       };
+               };
+       };
+
+       keys {
+               compatible = "gpio-keys";
+
+               pinctrl-0 = <&keys_pins>;
+               pinctrl-names = "default";
+
+               key-1 {
+                       gpios = <&gpio5 17 GPIO_ACTIVE_LOW>;
+                       linux,code = <KEY_1>;
+                       label = "SW4-1";
+                       wakeup-source;
+                       debounce-interval = <20>;
+               };
+
+               key-2 {
+                       gpios = <&gpio5 20 GPIO_ACTIVE_LOW>;
+                       linux,code = <KEY_2>;
+                       label = "SW4-2";
+                       wakeup-source;
+                       debounce-interval = <20>;
+               };
+
+               key-3 {
+                       gpios = <&gpio5 22 GPIO_ACTIVE_LOW>;
+                       linux,code = <KEY_3>;
+                       label = "SW4-3";
+                       wakeup-source;
+                       debounce-interval = <20>;
+               };
+
+               key-4 {
+                       gpios = <&gpio5 23 GPIO_ACTIVE_LOW>;
+                       linux,code = <KEY_4>;
+                       label = "SW4-4";
+                       wakeup-source;
+                       debounce-interval = <20>;
+               };
+
+               key-a {
+                       gpios = <&gpio6 11 GPIO_ACTIVE_LOW>;
+                       linux,code = <KEY_A>;
+                       label = "TSW0";
+                       wakeup-source;
+                       debounce-interval = <20>;
+               };
+
+               key-b {
+                       gpios = <&gpio6 12 GPIO_ACTIVE_LOW>;
+                       linux,code = <KEY_B>;
+                       label = "TSW1";
+                       wakeup-source;
+                       debounce-interval = <20>;
+               };
+
+               key-c {
+                       gpios = <&gpio6 13 GPIO_ACTIVE_LOW>;
+                       linux,code = <KEY_C>;
+                       label = "TSW2";
+                       wakeup-source;
+                       debounce-interval = <20>;
+               };
+       };
+
+       memory@48000000 {
+               device_type = "memory";
+               /* first 128MB is reserved for secure area. */
+               reg = <0x0 0x48000000 0x0 0x78000000>;
+       };
+
+       memory@480000000 {
+               device_type = "memory";
+               reg = <0x4 0x80000000 0x0 0x80000000>;
+       };
+
+       reg_1p8v: regulator-1p8v {
+               compatible = "regulator-fixed";
+               regulator-name = "fixed-1.8V";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               regulator-boot-on;
+               regulator-always-on;
+       };
+
+       reg_3p3v: regulator-3p3v {
+               compatible = "regulator-fixed";
+               regulator-name = "fixed-3.3V";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               regulator-boot-on;
+               regulator-always-on;
+       };
+
+       reg_12v: regulator-12v {
+               compatible = "regulator-fixed";
+               regulator-name = "fixed-12V";
+               regulator-min-microvolt = <12000000>;
+               regulator-max-microvolt = <12000000>;
+               regulator-boot-on;
+               regulator-always-on;
+       };
+
+       vbus0_usb2: regulator-vbus0-usb2 {
+               compatible = "regulator-fixed";
+
+               regulator-name = "USB20_VBUS0";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+
+               gpio = <&gpio6 16 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
+       vcc_sdhi0: regulator-vcc-sdhi0 {
+               compatible = "regulator-fixed";
+
+               regulator-name = "SDHI0 Vcc";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
+       vccq_sdhi0: regulator-vccq-sdhi0 {
+               compatible = "regulator-gpio";
+
+               regulator-name = "SDHI0 VccQ";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
+               gpios-states = <1>;
+               states = <3300000 1>, <1800000 0>;
+       };
+
+       sound_card: sound {
+               compatible = "audio-graph-card";
+
+               label = "rcar-sound";
+               dais = <&rsnd_port0>; /* AK4619 Audio Codec */
+       };
+
+       x12_clk: x12-clock {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <24576000>;
+       };
+
+       /* External DU dot clocks */
+       x21_clk: x21-clock {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <33000000>;
+       };
+
+       x22_clk: x22-clock {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <33000000>;
+       };
+
+       x23_clk: x23-clock {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <25000000>;
+       };
+
+       x3013_clk: x3013-clock {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <25000000>;
+       };
+};
+
+&audio_clk_a {
+       clock-frequency = <22579200>;
+};
+
+&avb {
+       pinctrl-0 = <&avb_pins>;
+       pinctrl-names = "default";
+       phy-handle = <&phy0>;
+       tx-internal-delay-ps = <2000>;
+       status = "okay";
+
+       phy0: ethernet-phy@0 {
+               compatible = "ethernet-phy-id0022.1622";
+               rxc-skew-ps = <1500>;
+               reg = <0>;
+               interrupts-extended = <&gpio2 11 IRQ_TYPE_LEVEL_LOW>;
+               reset-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>;
+               reset-assert-us = <10000>;
+               reset-deassert-us = <300>;
+       };
+};
+
+&csi40 {
+       status = "okay";
+
+       ports {
+               port@0 {
+                       csi40_in: endpoint {
+                               clock-lanes = <0>;
+                               data-lanes = <1 2 3 4>;
+                               remote-endpoint = <&adv7482_txa>;
+                       };
+               };
+       };
+};
+
+&ehci0 {
+       dr_mode = "otg";
+       status = "okay";
+};
+
+&extalr_clk {
+       clock-frequency = <32768>;
+};
+
+&extal_clk {
+       clock-frequency = <16666666>;
+};
+
+&hscif1 {
+       pinctrl-0 = <&hscif1_pins>;
+       pinctrl-names = "default";
+
+       uart-has-rtscts;
+       /* Please only enable hscif1 or scif1 */
+       status = "okay";
+};
+
+&hsusb {
+       dr_mode = "otg";
+       status = "okay";
+};
+
+&i2c2 {
+       pinctrl-0 = <&i2c2_pins>;
+       pinctrl-names = "default";
+       clock-frequency = <100000>;
+       status = "okay";
+
+       ak4619: codec@10 {
+               compatible = "asahi-kasei,ak4619";
+               reg = <0x10>;
+               clocks = <&rcar_sound 3>;
+               clock-names = "mclk";
+               #sound-dai-cells = <0>;
+
+               port {
+                       ak4619_endpoint: endpoint {
+                               remote-endpoint = <&rsnd_endpoint0>;
+                       };
+               };
+       };
+
+       /* Pin-to-pin, register map, and control compatible with CS2000 and CS2200 */
+       cs2500: clock-controller@4f {
+               #clock-cells = <0>;
+               compatible = "cirrus,cs2500", "cirrus,cs2000-cp";
+               reg = <0x4f>;
+               clocks = <&audio_clkout>, <&x12_clk>;
+               clock-names = "clk_in", "ref_clk";
+
+               assigned-clocks = <&cs2500>;
+               assigned-clock-rates = <24576000>; /* 1/1 divide */
+       };
+};
+
+&i2c4 {
+       clock-frequency = <400000>;
+       status = "okay";
+
+       versaclock3: clock-controller@68 {
+               compatible = "renesas,5p35023";
+               reg = <0x68>;
+               #clock-cells = <1>;
+               clocks = <&x3013_clk>;
+               assigned-clocks = <&versaclock3 4>, <&versaclock3 5>;
+               assigned-clock-rates = <100000000>, <100000000>;
+       };
+
+       versaclock5: clock-controller@6a {
+               compatible = "idt,5p49v5923";
+               reg = <0x6a>;
+               #clock-cells = <1>;
+               clocks = <&x23_clk>;
+               clock-names = "xin";
+       };
+
+       video-receiver@70 {
+               compatible = "adi,adv7482";
+               reg = <0x70 0x71 0x72 0x73 0x74 0x75
+                      0x60 0x61 0x62 0x63 0x64 0x65>;
+               reg-names = "main", "dpll", "cp", "hdmi", "edid", "repeater",
+                           "infoframe", "cbus", "cec", "sdp", "txa", "txb" ;
+
+               interrupts-extended = <&gpio6 30 IRQ_TYPE_LEVEL_LOW>,
+                                     <&gpio6 31 IRQ_TYPE_LEVEL_LOW>;
+               interrupt-names = "intrq1", "intrq2";
+
+               ports {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       port@7 {
+                               reg = <7>;
+
+                               adv7482_ain7: endpoint {
+                                       remote-endpoint = <&cvbs_con>;
+                               };
+                       };
+
+                       port@8 {
+                               reg = <8>;
+
+                               adv7482_hdmi: endpoint {
+                                       remote-endpoint = <&hdmi_in_con>;
+                               };
+                       };
+
+                       port@a {
+                               reg = <10>;
+
+                               adv7482_txa: endpoint {
+                                       clock-lanes = <0>;
+                                       data-lanes = <1 2 3 4>;
+                                       remote-endpoint = <&csi40_in>;
+                               };
+                       };
+               };
+       };
+
+       csa_vdd: adc@7c {
+               compatible = "maxim,max9611";
+               reg = <0x7c>;
+
+               shunt-resistor-micro-ohms = <5000>;
+       };
+
+       csa_dvfs: adc@7f {
+               compatible = "maxim,max9611";
+               reg = <0x7f>;
+
+               shunt-resistor-micro-ohms = <5000>;
+       };
+};
+
+&i2c_dvfs {
+       status = "okay";
+
+       clock-frequency = <400000>;
+
+       eeprom@50 {
+               compatible = "rohm,br24t01", "atmel,24c01";
+               reg = <0x50>;
+               pagesize = <8>;
+       };
+};
+
+&ohci0 {
+       dr_mode = "otg";
+       status = "okay";
+};
+
+&pcie_bus_clk {
+       status = "disabled";
+};
+
+&pciec0 {
+       clocks = <&cpg CPG_MOD 319>, <&versaclock3 4>;
+       status = "okay";
+};
+
+&pciec0_rp {
+       clocks = <&versaclock3 5>;
+};
+
+&pfc {
+       pinctrl-0 = <&scif_clk_pins>;
+       pinctrl-names = "default";
+
+       avb_pins: avb {
+               mux {
+                       groups = "avb_link", "avb_mdio", "avb_mii";
+                       function = "avb";
+               };
+
+               pins_mdio {
+                       groups = "avb_mdio";
+                       drive-strength = <24>;
+               };
+
+               pins_mii_tx {
+                       pins = "PIN_AVB_TX_CTL", "PIN_AVB_TXC", "PIN_AVB_TD0",
+                              "PIN_AVB_TD1", "PIN_AVB_TD2", "PIN_AVB_TD3";
+                       drive-strength = <12>;
+               };
+       };
+
+       hscif1_pins: hscif1 {
+               groups = "hscif1_data_a", "hscif1_ctrl_a";
+               function = "hscif1";
+       };
+
+       i2c2_pins: i2c2 {
+               groups = "i2c2_a";
+               function = "i2c2";
+       };
+
+       irq0_pins: irq0 {
+               groups = "intc_ex_irq0";
+               function = "intc_ex";
+       };
+
+       keys_pins: keys {
+               pins = "GP_5_17", "GP_5_20", "GP_5_22";
+               bias-pull-up;
+       };
+
+       pwm1_pins: pwm1 {
+               groups = "pwm1_a";
+               function = "pwm1";
+       };
+
+       scif1_pins: scif1 {
+               groups = "scif1_data_a", "scif1_ctrl";
+               function = "scif1";
+       };
+
+       scif2_pins: scif2 {
+               groups = "scif2_data_a";
+               function = "scif2";
+       };
+
+       scif_clk_pins: scif_clk {
+               groups = "scif_clk_a";
+               function = "scif_clk";
+       };
+
+       sdhi0_pins: sd0 {
+               groups = "sdhi0_data4", "sdhi0_ctrl";
+               function = "sdhi0";
+               power-source = <3300>;
+       };
+
+       sdhi0_pins_uhs: sd0_uhs {
+               groups = "sdhi0_data4", "sdhi0_ctrl";
+               function = "sdhi0";
+               power-source = <1800>;
+       };
+
+       sdhi2_pins: sd2 {
+               groups = "sdhi2_data8", "sdhi2_ctrl", "sdhi2_ds";
+               function = "sdhi2";
+               power-source = <1800>;
+       };
+
+       sound_pins: sound {
+               groups = "ssi01239_ctrl", "ssi0_data", "ssi1_data_a";
+               function = "ssi";
+       };
+
+       sound_clk_pins: sound_clk {
+               groups = "audio_clk_a_a", "audio_clk_b_a", "audio_clk_c_a",
+                        "audio_clkout_a", "audio_clkout3_a";
+               function = "audio_clk";
+       };
+
+       usb0_pins: usb0 {
+               groups = "usb0";
+               function = "usb0";
+       };
+};
+
+&pwm1 {
+       pinctrl-0 = <&pwm1_pins>;
+       pinctrl-names = "default";
+
+       status = "okay";
+};
+
+&rcar_sound {
+       pinctrl-0 = <&sound_pins>, <&sound_clk_pins>;
+       pinctrl-names = "default";
+
+       /* Single DAI */
+       #sound-dai-cells = <0>;
+
+       /* audio_clkout0/1/2/3 */
+       #clock-cells = <1>;
+       clock-frequency = <12288000 11289600>;
+
+       status = "okay";
+
+       /* update <audio_clk_b> to <cs2500> */
+       clocks = <&cpg CPG_MOD 1005>,
+                <&cpg CPG_MOD 1006>, <&cpg CPG_MOD 1007>,
+                <&cpg CPG_MOD 1008>, <&cpg CPG_MOD 1009>,
+                <&cpg CPG_MOD 1010>, <&cpg CPG_MOD 1011>,
+                <&cpg CPG_MOD 1012>, <&cpg CPG_MOD 1013>,
+                <&cpg CPG_MOD 1014>, <&cpg CPG_MOD 1015>,
+                <&cpg CPG_MOD 1022>, <&cpg CPG_MOD 1023>,
+                <&cpg CPG_MOD 1024>, <&cpg CPG_MOD 1025>,
+                <&cpg CPG_MOD 1026>, <&cpg CPG_MOD 1027>,
+                <&cpg CPG_MOD 1028>, <&cpg CPG_MOD 1029>,
+                <&cpg CPG_MOD 1030>, <&cpg CPG_MOD 1031>,
+                <&cpg CPG_MOD 1020>, <&cpg CPG_MOD 1021>,
+                <&cpg CPG_MOD 1020>, <&cpg CPG_MOD 1021>,
+                <&cpg CPG_MOD 1019>, <&cpg CPG_MOD 1018>,
+                <&audio_clk_a>, <&cs2500>,
+                <&audio_clk_c>,
+                <&cpg CPG_MOD 922>;
+
+       ports {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               rsnd_port0: port@0 {
+                       reg = <0>;
+
+                       rsnd_endpoint0: endpoint {
+                               remote-endpoint = <&ak4619_endpoint>;
+                               dai-format = "left_j";
+                               bitclock-master = <&rsnd_endpoint0>;
+                               frame-master = <&rsnd_endpoint0>;
+                               playback = <&ssi0>, <&src0>, <&dvc0>;
+                               capture = <&ssi1>, <&src1>, <&dvc1>;
+                       };
+               };
+       };
+};
+
+&rwdt {
+       timeout-sec = <60>;
+       status = "okay";
+};
+
+&scif1 {
+       pinctrl-0 = <&scif1_pins>;
+       pinctrl-names = "default";
+
+       uart-has-rtscts;
+       /* Please only enable hscif1 or scif1 */
+       /* status = "okay"; */
+};
+
+&scif2 {
+       pinctrl-0 = <&scif2_pins>;
+       pinctrl-names = "default";
+
+       status = "okay";
+};
+
+&scif_clk {
+       clock-frequency = <14745600>;
+};
+
+&sdhi0 {
+       pinctrl-0 = <&sdhi0_pins>;
+       pinctrl-1 = <&sdhi0_pins_uhs>;
+       pinctrl-names = "default", "state_uhs";
+
+       vmmc-supply = <&vcc_sdhi0>;
+       vqmmc-supply = <&vccq_sdhi0>;
+       cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
+       wp-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
+       bus-width = <4>;
+       sd-uhs-sdr50;
+       sd-uhs-sdr104;
+       status = "okay";
+};
+
+&sdhi2 {
+       /* used for on-board 8bit eMMC */
+       pinctrl-0 = <&sdhi2_pins>;
+       pinctrl-1 = <&sdhi2_pins>;
+       pinctrl-names = "default", "state_uhs";
+
+       vmmc-supply = <&reg_3p3v>;
+       vqmmc-supply = <&reg_1p8v>;
+       bus-width = <8>;
+       mmc-hs200-1_8v;
+       no-sd;
+       no-sdio;
+       non-removable;
+       fixed-emmc-driver-type = <1>;
+       full-pwr-cycle-in-suspend;
+       status = "okay";
+};
+
+&ssi1 {
+       shared-pin;
+};
+
+&usb_extal_clk {
+       clock-frequency = <50000000>;
+};
+
+&usb2_phy0 {
+       pinctrl-0 = <&usb0_pins>;
+       pinctrl-names = "default";
+
+       vbus-supply = <&vbus0_usb2>;
+       status = "okay";
+};
+
+&vin0 {
+       status = "okay";
+};
+
+&vin1 {
+       status = "okay";
+};
+
+&vin2 {
+       status = "okay";
+};
+
+&vin3 {
+       status = "okay";
+};
+
+&vin4 {
+       status = "okay";
+};
+
+&vin5 {
+       status = "okay";
+};
+
+&vin6 {
+       status = "okay";
+};
+
+&vin7 {
+       status = "okay";
+};
+
+&vspb {
+       status = "okay";
+};
+
+&vspi0 {
+       status = "okay";
+};