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arm64: dts: mediatek: cherry: Wire up the ChromeOS Embedded Controller

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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>
This commit is contained in:
AngeloGioacchino Del Regno
2022-09-02 10:11:51 +02:00
committed by Matthias Brugger
parent d86a1c69bd
commit e775cc1a9b
1 changed files with 77 additions and 0 deletions
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77
arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
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@@ -426,6 +426,14 @@ &pio {
"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 @@ &scp {
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 @@ &spi0 {
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 @@ &xhci3 {
vusb33-supply = <&mt6359_vusb_ldo_reg>;
vbus-supply = <&usb_vbus>;
};
#include <arm/cros-ec-keyboard.dtsi>
#include <arm/cros-ec-sbs.dtsi>