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arm64: dts: qcom: acer-aspire1: Add embedded controller
The laptop contains an embedded controller that provides a set of features: - Battery and charger monitoring - USB Type-C DP alt mode HPD monitoring - Lid status detection - Small amount of keyboard configuration* [*] The keyboard is handled by the same EC but it has a dedicated i2c bus and is already enabled. This port only provides fn key behavior configuration. Add the EC to the device tree and describe the relationship between the EC-managed type-c port and the SoC DisplayPort. Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> Signed-off-by: Nikita Travkin <nikita@trvn.ru> Link: https://lore.kernel.org/r/20240315-aspire1-ec-v5-4-f93381deff39@trvn.ru Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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@ -255,7 +255,25 @@ &i2c2 {
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clock-frequency = <400000>;
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clock-frequency = <400000>;
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status = "okay";
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status = "okay";
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/* embedded-controller@76 */
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embedded-controller@76 {
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compatible = "acer,aspire1-ec";
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reg = <0x76>;
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interrupts-extended = <&tlmm 30 IRQ_TYPE_LEVEL_LOW>;
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pinctrl-0 = <&ec_int_default>;
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pinctrl-names = "default";
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connector {
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compatible = "usb-c-connector";
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port {
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ec_dp_in: endpoint {
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remote-endpoint = <&mdss_dp_out>;
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};
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};
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};
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};
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};
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};
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&i2c4 {
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&i2c4 {
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@ -419,6 +437,19 @@ &mdss {
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status = "okay";
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status = "okay";
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};
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};
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&mdss_dp {
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data-lanes = <0 1>;
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vdda-1p2-supply = <&vreg_l3c_1p2>;
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vdda-0p9-supply = <&vreg_l4a_0p8>;
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status = "okay";
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};
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&mdss_dp_out {
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remote-endpoint = <&ec_dp_in>;
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};
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&mdss_dsi0 {
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&mdss_dsi0 {
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vdda-supply = <&vreg_l3c_1p2>;
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vdda-supply = <&vreg_l3c_1p2>;
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status = "okay";
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status = "okay";
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@ -857,6 +888,13 @@ codec_irq_default: codec-irq-deault-state {
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bias-disable;
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bias-disable;
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};
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};
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ec_int_default: ec-int-default-state {
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pins = "gpio30";
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function = "gpio";
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drive-strength = <2>;
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bias-disable;
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};
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edp_bridge_irq_default: edp-bridge-irq-default-state {
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edp_bridge_irq_default: edp-bridge-irq-default-state {
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pins = "gpio11";
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pins = "gpio11";
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function = "gpio";
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function = "gpio";
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