arm64: dts: mediatek: mt7988: add PWM controller

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

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Link: https://lore.kernel.org/r/20240604064302.487-1-zajec5@gmail.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

diff --git a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
index 3eb5396dea223bb326411da9e2fa15f3e55d0826..27098f724b7a29b8b0774ecdedd7870ad49e2648 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
@@ -105,6 +105,25 @@
                        #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>;
+                       status = "disabled";
+               };
+
                usb@11190000 {
                        compatible = "mediatek,mt7988-xhci", "mediatek,mtk-xhci";
                        reg = <0 0x11190000 0 0x2e00>,