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

Rafał Miłecki
2024-02-13T16:47:11Z

From: Rafał Miłecki <rafal@milecki.pl>

Add binding for on-SoC controller that can control up to 8 PWMs.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
arch/arm64/boot/dts/mediatek/mt7988a.dtsi | 21 ++++++++++++++++++++-
1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
index bba97de4fb44..67007626b5cd 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only OR MIT

+#include <dt-bindings/clock/mediatek,mt7988-clk.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>

/ {
@@ -78,7 +79,7 @@ gic: interrupt-controller@c000000 {
#interrupt-cells = <3>;
};

- clock-controller@10001000 {
+ infracfg: clock-controller@10001000 {
compatible = "mediatek,mt7988-infracfg", "syscon";
reg = <0 0x10001000 0 0x1000>;
#clock-cells = <1>;
@@ -103,6 +104,24 @@ clock-controller@1001e000 {
#clock-cells = <1>;
};

+ pwm@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>;
+ };
+
clock-controller@11f40000 {
compatible = "mediatek,mt7988-xfi-pll";
reg = <0 0x11f40000 0 0x1000>;
--
2.35.3