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SubjectRe: [PATCH 4/4] arm64: dts: qcom: db820c: Add user LEDs
From
On 05/05/2022 05:27, Bjorn Andersson wrote:
> The db820c has 4 "user LEDs", all connected to the PMI8994. The first
> three are connected to the three current sinks provided by the TRILED
> and the fourth is connected to MPP2.
>
> By utilizing the DTEST bus the MPP is fed the control signal from the
> fourth LPG block, providing a consistent interface to the user.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

> ---
> arch/arm64/boot/dts/qcom/apq8096-db820c.dts | 56 +++++++++++++++++++++
> 1 file changed, 56 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dts b/arch/arm64/boot/dts/qcom/apq8096-db820c.dts
> index 56e54ce4d10e..e9039e68a095 100644
> --- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dts
> +++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dts
> @@ -10,6 +10,7 @@
> #include "pmi8994.dtsi"
> #include <dt-bindings/input/input.h>
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/leds/common.h>
> #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
> #include <dt-bindings/sound/qcom,q6afe.h>
> #include <dt-bindings/sound/qcom,q6asm.h>
> @@ -683,6 +684,61 @@ pinconf {
> };
> };
>
> +&pmi8994_lpg {
> + qcom,power-source = <1>;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&pmi8994_mpp2_userled4>;
> +
> + qcom,dtest = <0 0>,
> + <0 0>,
> + <0 0>,
> + <4 1>;
> +
> + status = "okay";
> +
> + led@1 {
> + reg = <1>;
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_HEARTBEAT;
> + function-enumerator = <1>;
> +
> + linux,default-trigger = "heartbeat";
> + default-state = "on";
> + };
> +
> + led@2 {
> + reg = <2>;
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_HEARTBEAT;
> + function-enumerator = <0>;
> + };
> +
> + led@3 {
> + reg = <3>;
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_HEARTBEAT;
> + function-enumerator = <2>;
> + };
> +
> + led@4 {
> + reg = <4>;
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_HEARTBEAT;
> + function-enumerator = <3>;
> + };
> +};
> +
> +&pmi8994_mpps {
> + pmi8994_mpp2_userled4: mpp2-userled4-state {
> + pins = "mpp2";
> + function = "sink";
> +
> + output-low;
> + qcom,dtest = <4>;
> + };
> +};
> +
> &pmi8994_spmi_regulators {
> vdd_s2-supply = <&vph_pwr>;
>


--
With best wishes
Dmitry

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