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Message-ID: <20250420070251.378950-4-guodong@riscstar.com>
Date: Sun, 20 Apr 2025 15:02:48 +0800
From: Guodong Xu <guodong@...cstar.com>
To: ukleinek@...nel.org,
robh@...nel.org,
krzk+dt@...nel.org,
conor+dt@...nel.org,
paul.walmsley@...ive.com,
palmer@...belt.com,
aou@...s.berkeley.edu,
alex@...ti.fr,
dlan@...too.org,
p.zabel@...gutronix.de,
drew@...7.com,
inochiama@...il.com,
geert+renesas@...der.be,
heylenay@....org,
tglx@...utronix.de,
hal.feng@...rfivetech.com,
unicorn_wang@...look.com,
duje.mihanovic@...le.hr
Cc: elder@...cstar.com,
linux-pwm@...r.kernel.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-riscv@...ts.infradead.org,
spacemit@...ts.linux.dev,
guodong@...cstar.com
Subject: [PATCH v2 3/6] riscv: dts: spacemit: add PWM support for K1 SoC
The SpacemiT K1 SoC features a PWM controller with 20 independent
channels. Add the corresponding 20 PWM nodes to the device tree.
Signed-off-by: Guodong Xu <guodong@...cstar.com>
---
v2: Changed compatible string with the fallback marvell,pxa910-pwm
arch/riscv/boot/dts/spacemit/k1.dtsi | 180 +++++++++++++++++++++++++++
1 file changed, 180 insertions(+)
diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi
index c0cc4b99c935..e7dba623e877 100644
--- a/arch/riscv/boot/dts/spacemit/k1.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1.dtsi
@@ -556,5 +556,185 @@ sec_uart1: serial@...12000 {
reg-io-width = <4>;
status = "reserved"; /* for TEE usage */
};
+
+ pwm0: pwm@...1a000 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd401a000 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM0>;
+ resets = <&syscon_apbc RESET_PWM0>;
+ status = "disabled";
+ };
+
+ pwm1: pwm@...1a400 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd401a400 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM1>;
+ resets = <&syscon_apbc RESET_PWM1>;
+ status = "disabled";
+ };
+
+ pwm2: pwm@...1a800 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd401a800 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM2>;
+ resets = <&syscon_apbc RESET_PWM2>;
+ status = "disabled";
+ };
+
+ pwm3: pwm@...1ac00 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd401ac00 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM3>;
+ resets = <&syscon_apbc RESET_PWM3>;
+ status = "disabled";
+ };
+
+ pwm4: pwm@...1b000 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd401b000 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM4>;
+ resets = <&syscon_apbc RESET_PWM4>;
+ status = "disabled";
+ };
+
+ pwm5: pwm@...1b400 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd401b400 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM5>;
+ resets = <&syscon_apbc RESET_PWM5>;
+ status = "disabled";
+ };
+
+ pwm6: pwm@...1b800 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd401b800 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM6>;
+ resets = <&syscon_apbc RESET_PWM6>;
+ status = "disabled";
+ };
+
+ pwm7: pwm@...1bc00 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd401bc00 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM7>;
+ resets = <&syscon_apbc RESET_PWM7>;
+ status = "disabled";
+ };
+
+ pwm8: pwm@...20000 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd4020000 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM8>;
+ resets = <&syscon_apbc RESET_PWM8>;
+ status = "disabled";
+ };
+
+ pwm9: pwm@...20400 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd4020400 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM9>;
+ resets = <&syscon_apbc RESET_PWM9>;
+ status = "disabled";
+ };
+
+ pwm10: pwm@...20800 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd4020800 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM10>;
+ resets = <&syscon_apbc RESET_PWM10>;
+ status = "disabled";
+ };
+
+ pwm11: pwm@...20c00 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd4020c00 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM11>;
+ resets = <&syscon_apbc RESET_PWM11>;
+ status = "disabled";
+ };
+
+ pwm12: pwm@...21000 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd4021000 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM12>;
+ resets = <&syscon_apbc RESET_PWM12>;
+ status = "disabled";
+ };
+
+ pwm13: pwm@...21400 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd4021400 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM13>;
+ resets = <&syscon_apbc RESET_PWM13>;
+ status = "disabled";
+ };
+
+ pwm14: pwm@...21800 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd4021800 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM14>;
+ resets = <&syscon_apbc RESET_PWM14>;
+ status = "disabled";
+ };
+
+ pwm15: pwm@...21c00 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd4021c00 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM15>;
+ resets = <&syscon_apbc RESET_PWM15>;
+ status = "disabled";
+ };
+
+ pwm16: pwm@...22000 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd4022000 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM16>;
+ resets = <&syscon_apbc RESET_PWM16>;
+ status = "disabled";
+ };
+
+ pwm17: pwm@...22400 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd4022400 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM17>;
+ resets = <&syscon_apbc RESET_PWM17>;
+ status = "disabled";
+ };
+
+ pwm18: pwm@...22800 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd4022800 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM18>;
+ resets = <&syscon_apbc RESET_PWM18>;
+ status = "disabled";
+ };
+
+ pwm19: pwm@...22c00 {
+ compatible = "spacemit,k1-pwm", "marvell,pxa910-pwm";
+ reg = <0x0 0xd4022c00 0x0 0x10>;
+ #pwm-cells = <1>;
+ clocks = <&syscon_apbc CLK_PWM19>;
+ resets = <&syscon_apbc RESET_PWM19>;
+ status = "disabled";
+ };
};
};
--
2.43.0
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