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authorAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>2022-09-02 11:11:51 +0300
committerMatthias Brugger <matthias.bgg@gmail.com>2022-09-13 19:59:01 +0300
commite775cc1a9b4fb9b7b62edc480642ebd21e3b81e1 (patch)
tree11c5df1bac87651bd7ecd8e47a5130a24283a78f /arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
parentd86a1c69bd9a4d6859293cd0ecebfa692f6a3150 (diff)
downloadlinux-e775cc1a9b4fb9b7b62edc480642ebd21e3b81e1.tar.xz
arm64: dts: mediatek: cherry: Wire up the ChromeOS Embedded Controller
Wire up the ChromeOS Embedded Controller on SPI0 and its communication channel via SCP RPMSG along with all of the offered functionality, including Keyboard, Smart Battery Metrics (SBS), keyboard backlight, I2C tunnel, regulators and Type-C connector management. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20220902081156.38526-3-angelogioacchino.delregno@collabora.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi')
-rw-r--r--arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi77
1 files changed, 77 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
index e83d58d99757..73f531f84fa2 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
@@ -426,6 +426,14 @@
"AP_SPI_FLASH_MOSI",
"AP_SPI_FLASH_MISO";
+ cros_ec_int: cros-ec-irq-default-pins {
+ pins-ec-ap-int-odl {
+ pinmux = <PINMUX_GPIO4__FUNC_GPIO4>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ input-enable;
+ };
+ };
+
i2c0_pins: i2c0-default-pins {
pins-bus {
pinmux = <PINMUX_GPIO8__FUNC_SDA0>,
@@ -670,6 +678,11 @@
memory-region = <&scp_mem>;
pinctrl-names = "default";
pinctrl-0 = <&scp_pins>;
+
+ cros-ec-rpmsg {
+ compatible = "google,cros-ec-rpmsg";
+ mediatek,rpmsg-name = "cros-ec-rpmsg";
+ };
};
&spi0 {
@@ -678,6 +691,67 @@
pinctrl-names = "default";
pinctrl-0 = <&spi0_pins>;
mediatek,pad-select = <0>;
+
+ cros_ec: ec@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ compatible = "google,cros-ec-spi";
+ reg = <0>;
+ interrupts-extended = <&pio 4 IRQ_TYPE_LEVEL_LOW>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&cros_ec_int>;
+ spi-max-frequency = <3000000>;
+
+ keyboard-backlight {
+ compatible = "google,cros-kbd-led-backlight";
+ };
+
+ i2c_tunnel: i2c-tunnel {
+ compatible = "google,cros-ec-i2c-tunnel";
+ google,remote-bus = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ mt_pmic_vmc_ldo_reg: regulator@0 {
+ compatible = "google,cros-ec-regulator";
+ reg = <0>;
+ regulator-name = "mt_pmic_vmc_ldo";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <3600000>;
+ };
+
+ mt_pmic_vmch_ldo_reg: regulator@1 {
+ compatible = "google,cros-ec-regulator";
+ reg = <1>;
+ regulator-name = "mt_pmic_vmch_ldo";
+ regulator-min-microvolt = <2700000>;
+ regulator-max-microvolt = <3600000>;
+ };
+
+ typec {
+ compatible = "google,cros-ec-typec";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ usb_c0: connector@0 {
+ compatible = "usb-c-connector";
+ reg = <0>;
+ power-role = "dual";
+ data-role = "host";
+ try-power-role = "source";
+ };
+
+ usb_c1: connector@1 {
+ compatible = "usb-c-connector";
+ reg = <1>;
+ power-role = "dual";
+ data-role = "host";
+ try-power-role = "source";
+ };
+ };
+ };
};
&u3phy0 {
@@ -729,3 +803,6 @@
vusb33-supply = <&mt6359_vusb_ldo_reg>;
vbus-supply = <&usb_vbus>;
};
+
+#include <arm/cros-ec-keyboard.dtsi>
+#include <arm/cros-ec-sbs.dtsi>