[PATCH 1/2] arm64: dts: mediatek: mt7988: add PWM controller

Rafał Miłecki zajec5 at gmail.com
Fri Apr 5 05:55:48 PDT 2024


From: Rafał Miłecki <rafal at milecki.pl>

MT7988 has on-SoC controller that can control up to 8 PWM interfaces.

Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
---
 arch/arm64/boot/dts/mediatek/mt7988a.dtsi | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
index 3eb5396dea22..27098f724b7a 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
@@ -105,6 +105,25 @@ clock-controller at 1001e000 {
 			#clock-cells = <1>;
 		};
 
+		pwm at 10048000 {
+			compatible = "mediatek,mt7988-pwm";
+			reg = <0 0x10048000 0 0x1000>;
+			clocks = <&infracfg CLK_INFRA_66M_PWM_BCK>,
+				 <&infracfg CLK_INFRA_66M_PWM_HCK>,
+				 <&infracfg CLK_INFRA_66M_PWM_CK1>,
+				 <&infracfg CLK_INFRA_66M_PWM_CK2>,
+				 <&infracfg CLK_INFRA_66M_PWM_CK3>,
+				 <&infracfg CLK_INFRA_66M_PWM_CK4>,
+				 <&infracfg CLK_INFRA_66M_PWM_CK5>,
+				 <&infracfg CLK_INFRA_66M_PWM_CK6>,
+				 <&infracfg CLK_INFRA_66M_PWM_CK7>,
+				 <&infracfg CLK_INFRA_66M_PWM_CK8>;
+			clock-names = "top", "main", "pwm1", "pwm2", "pwm3",
+				      "pwm4", "pwm5", "pwm6", "pwm7", "pwm8";
+			#pwm-cells = <2>;
+			status = "disabled";
+		};
+
 		usb at 11190000 {
 			compatible = "mediatek,mt7988-xhci", "mediatek,mtk-xhci";
 			reg = <0 0x11190000 0 0x2e00>,
-- 
2.35.3




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