Re: [PATCH RESEND v2] arm64: dts: qcom: qcm6490-idp: enable pwrkey and volume-up/down function

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On 2/29/2024 9:21 AM, Dmitry Baryshkov wrote:
On Wed, 28 Feb 2024 at 11:57, Hui Liu via B4 Relay
<devnull+quic_huliu.quicinc.com@xxxxxxxxxx> wrote:

From: Hui Liu <quic_huliu@xxxxxxxxxxx>

Add configurations to enable pwrkey, volume-up and volume-down function.

Please take a look at how similar patches describe the changes. E.g.
commit bb47bfbd5aa8 ("arm64: dts: qcom: sm8550-qrd: enable PMIC Volume
and Power buttons")
Sure, I will refer to this description to update it.




Signed-off-by: Hui Liu <quic_huliu@xxxxxxxxxxx>
---
Changes in v2:
- Update the commit description.
- Link to v1: https://lore.kernel.org/r/20240206-gpio-keys-v1-1-7683799daf8d@xxxxxxxxxxx
---
  arch/arm64/boot/dts/qcom/qcm6490-idp.dts | 43 ++++++++++++++++++++++++++++++++
  1 file changed, 43 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
index acf145d1d97c..4199ebf667af 100644
--- a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
+++ b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
@@ -9,6 +9,7 @@
  #define PM7250B_SID 8
  #define PM7250B_SID1 9

+#include <dt-bindings/input/linux-event-codes.h>
  #include <dt-bindings/leds/common.h>
  #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
  #include "sc7280.dtsi"
@@ -39,6 +40,24 @@ chosen {
                 stdout-path = "serial0:115200n8";
         };

+       gpio-keys {
+               compatible = "gpio-keys";
+               label = "gpio-keys";
+
+               pinctrl-names = "default";
+               pinctrl-0 = <&key_vol_up_default>;
+
+               key-volume-up {
+                       label = "volume_up";
+                       gpios = <&pm7325_gpios 6 GPIO_ACTIVE_LOW>;
+                       linux,input-type = <1>;
+                       linux,code = <KEY_VOLUMEUP>;
+                       wakeup-source;
+                       debounce-interval = <15>;
+                       linux,can-disable;
+               };
+       };
+
         reserved-memory {
                 xbl_mem: xbl@80700000 {
                         reg = <0x0 0x80700000 0x0 0x100000>;
@@ -421,6 +440,17 @@ vreg_bob_3p296: bob {
         };
  };

+&pm7325_gpios {
+       key_vol_up_default: key-vol-up-state {
+               pins = "gpio6";
+               function = "normal";
+               input-enable;
+               bias-pull-up;
+               power-source = <0>;
+               qcom,drive-strength = <3>;

Why is this property required? Anyway, it should use the defined name
rather than just numeric value.
I will remove power-source defination, because the default value is 0.
And "qcom, driver-strength" will update to "PMIC_GPIO_STRENGTH_LOW", it's a special value for pm7325.

+       };
+};
+
  &pm8350c_pwm {
         status = "okay";

@@ -448,6 +478,19 @@ led@3 {
         };
  };

+&pmk8350_pon {
+       status = "okay";
+};
+
+&pon_pwrkey {
+       status = "okay";
+};
+
+&pon_resin {
+       linux,code = <KEY_VOLUMEDOWN>;
+       status = "okay";
+};
+
  &qupv3_id_0 {
         status = "okay";
  };

---
base-commit: 23e11d0318521e8693459b0e4d23aec614b3b68b
change-id: 20240206-gpio-keys-138bbd850298

Best regards,
--
Hui Liu <quic_huliu@xxxxxxxxxxx>








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