[PATCH v2 4/4] ARM: dts: qcom: pm8941: Add nodes for QCOM SPMI Flash LEDs

Nícolas F. R. A. Prado nfraprado at protonmail.com
Tue Jan 26 09:06:59 EST 2021


Add the necessary devicetree nodes for the Qualcomm SPMI Flash LEDs
present in PM8941.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado at protonmail.com>
---
Changes in v2:
- Moved from hammerhead dts to pm8941 dtsi, as it was this way downstream
- Now using values from leds-qcom-spmi-flash.h

 arch/arm/boot/dts/qcom-pm8941.dtsi | 38 ++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-pm8941.dtsi b/arch/arm/boot/dts/qcom-pm8941.dtsi
index c1f2012d1c8b..89309d3c777c 100644
--- a/arch/arm/boot/dts/qcom-pm8941.dtsi
+++ b/arch/arm/boot/dts/qcom-pm8941.dtsi
@@ -2,6 +2,8 @@
 #include <dt-bindings/iio/qcom,spmi-vadc.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/spmi/spmi.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/leds/leds-qcom-spmi-flash.h>
 
 &spmi_bus {
 
@@ -189,5 +191,41 @@ pm8941_5vs2: 5vs2 {
 				regulator-initial-mode = <1>;
 			};
 		};
+
+		qcom,spmi-flash at d300 {
+			status = "okay";
+
+			compatible = "qcom,spmi-flash";
+			reg = <0xd300 0x100>;
+			flash-boost-supply = <&pm8941_5vs1>;
+			torch-boost-supply = <&pm8941_5v>;
+			pm8941_flash0: led0 {
+				led-sources = <0>;
+				function = LED_FUNCTION_FLASH;
+				color = <LED_COLOR_ID_WHITE>;
+				led-max-microamp = <200000>;
+				flash-max-microamp = <1000000>;
+				flash-max-timeout-us = <1280000>;
+				default-state = "off";
+				qcom,clamp-curr = <200000>;
+				qcom,headroom = <QCOM_SPMI_FLASH_HEADROOM_500MV>;
+				qcom,startup-dly = <QCOM_SPMI_FLASH_STARTUP_DLY_128US>;
+				qcom,safety-timer;
+			};
+
+			pm8941_flash1: led1 {
+				led-sources = <1>;
+				function = LED_FUNCTION_FLASH;
+				color = <LED_COLOR_ID_WHITE>;
+				led-max-microamp = <200000>;
+				flash-max-microamp = <1000000>;
+				flash-max-timeout-us = <1280000>;
+				default-state = "off";
+				qcom,clamp-curr = <200000>;
+				qcom,headroom = <QCOM_SPMI_FLASH_HEADROOM_500MV>;
+				qcom,startup-dly = <QCOM_SPMI_FLASH_STARTUP_DLY_128US>;
+				qcom,safety-timer;
+			};
+		};
 	};
 };
-- 
2.30.0





More information about the linux-arm-kernel mailing list