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Message-ID: <20250411131423.3802611-7-guodong@riscstar.com>
Date: Fri, 11 Apr 2025 21:14:20 +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
Subject: [PATCH 6/9] riscv: dts: spacemit: Add pinctrl configurations for PWM0-PWM19
Add pinctrl configurations for PWM0 to PWM19 in the SpacemiT K1
device tree source file. Each PWM instance is assigned multiple
pinmux configurations corresponding to different GPIOs and
function modes.
Configurations include:
- Mapping GPIOs to appropriate pinctrl nodes for PWM functionality
- Specifying bias-pull-up and drive-strength attributes
These updates ensure proper pin multiplexing and drive strength
settings for PWM signals on the SpacemiT K1 SoC when selected.
Signed-off-by: Guodong Xu <guodong@...cstar.com>
---
arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi | 315 +++++++++++++++++++
1 file changed, 315 insertions(+)
diff --git a/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi b/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi
index 283663647a86..294e05409933 100644
--- a/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi
@@ -20,4 +20,319 @@ uart0-2-pins {
drive-strength = <32>;
};
};
+ pwm0_0_cfg: pwm0-0-cfg {
+ pwm0-0-pins {
+ pinmux = <K1_PADCONF(104, 5)>;
+ bias-pull-up = <0>;
+ drive-strength = <19>;
+ };
+ };
+ pwm0_1_cfg: pwm0-1-cfg {
+ pwm0-1-pins {
+ pinmux = <K1_PADCONF(14, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm0_2_cfg: pwm0-2-cfg {
+ pwm0-2-pins {
+ pinmux = <K1_PADCONF(22, 4)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm1_0_cfg: pwm1-0-cfg {
+ pwm1-0-pins {
+ pinmux = <K1_PADCONF(105, 5)>;
+ bias-pull-up = <0>;
+ drive-strength = <19>;
+ };
+ };
+ pwm1_1_cfg: pwm1-1-cfg {
+ pwm1-1-pins {
+ pinmux = <K1_PADCONF(29, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm1_2_cfg: pwm1-2-cfg {
+ pwm1-2-pins {
+ pinmux = <K1_PADCONF(23, 4)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm2_0_cfg: pwm2-0-cfg {
+ pwm2-0-pins {
+ pinmux = <K1_PADCONF(106, 5)>;
+ bias-pull-up = <0>;
+ drive-strength = <19>;
+ };
+ };
+ pwm2_1_cfg: pwm2-1-cfg {
+ pwm2-1-pins {
+ pinmux = <K1_PADCONF(22, 2)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm2_2_cfg: pwm2-2-cfg {
+ pwm2-2-pins {
+ pinmux = <K1_PADCONF(30, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm2_3_cfg: pwm2-3-cfg {
+ pwm2-3-pins {
+ pinmux = <K1_PADCONF(24, 4)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm3_0_cfg: pwm3-0-cfg {
+ pwm3-0-pins {
+ pinmux = <K1_PADCONF(107, 5)>;
+ bias-pull-up = <0>;
+ drive-strength = <19>;
+ };
+ };
+ pwm3_1_cfg: pwm3-1-cfg {
+ pwm3-1-pins {
+ pinmux = <K1_PADCONF(33, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm3_2_cfg: pwm3-2-cfg {
+ pwm3-2-pins {
+ pinmux = <K1_PADCONF(25, 4)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm4_0_cfg: pwm4-0-cfg {
+ pwm4-0-pins {
+ pinmux = <K1_PADCONF(108, 5)>;
+ bias-pull-up = <0>;
+ drive-strength = <19>;
+ };
+ };
+ pwm4_1_cfg: pwm4-1-cfg {
+ pwm4-1-pins {
+ pinmux = <K1_PADCONF(34, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm5_0_cfg: pwm5-0-cfg {
+ pwm5-0-pins {
+ pinmux = <K1_PADCONF(109, 5)>;
+ bias-pull-up = <0>;
+ drive-strength = <19>;
+ };
+ };
+ pwm5_1_cfg: pwm5-1-cfg {
+ pwm5-1-pins {
+ pinmux = <K1_PADCONF(35, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm6_0_cfg: pwm6-0-cfg {
+ pwm6-0-pins {
+ pinmux = <K1_PADCONF(88, 4)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm6_1_cfg: pwm6-1-cfg {
+ pwm6-1-pins {
+ pinmux = <K1_PADCONF(36, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm7_0_cfg: pwm7-0-cfg {
+ pwm7-0-pins {
+ pinmux = <K1_PADCONF(92, 2)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm7_1_cfg: pwm7-1-cfg {
+ pwm7-1-pins {
+ pinmux = <K1_PADCONF(37, 2)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm8_0_cfg: pwm8-0-cfg {
+ pwm8-0-pins {
+ pinmux = <K1_PADCONF(0, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm8_1_cfg: pwm8-1-cfg {
+ pwm8-1-pins {
+ pinmux = <K1_PADCONF(38, 4)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm9_0_cfg: pwm9-0-cfg {
+ pwm9-0-pins {
+ pinmux = <K1_PADCONF(1, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm9_1_cfg: pwm9-1-cfg {
+ pwm9-1-pins {
+ pinmux = <K1_PADCONF(39, 4)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm10_0_cfg: pwm10-0-cfg {
+ pwm10-0-pins {
+ pinmux = <K1_PADCONF(2, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm10_1_cfg: pwm10-1-cfg {
+ pwm10-1-pins {
+ pinmux = <K1_PADCONF(40, 4)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm11_0_cfg: pwm11-0-cfg {
+ pwm11-0-pins {
+ pinmux = <K1_PADCONF(3, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm11_1_cfg: pwm11-1-cfg {
+ pwm11-1-pins {
+ pinmux = <K1_PADCONF(41, 4)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm12_0_cfg: pwm12-0-cfg {
+ pwm12-0-pins {
+ pinmux = <K1_PADCONF(4, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm12_1_cfg: pwm12-1-cfg {
+ pwm12-1-pins {
+ pinmux = <K1_PADCONF(42, 4)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm13_0_cfg: pwm13-0-cfg {
+ pwm13-0-pins {
+ pinmux = <K1_PADCONF(5, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm13_1_cfg: pwm13-1-cfg {
+ pwm13-1-pins {
+ pinmux = <K1_PADCONF(43, 4)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm14_0_cfg: pwm14-0-cfg {
+ pwm14-0-pins {
+ pinmux = <K1_PADCONF(6, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm14_1_cfg: pwm14-1-cfg {
+ pwm14-1-pins {
+ pinmux = <K1_PADCONF(44, 4)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm15_0_cfg: pwm15-0-cfg {
+ pwm15-0-pins {
+ pinmux = <K1_PADCONF(7, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm15_1_cfg: pwm15-1-cfg {
+ pwm15-1-pins {
+ pinmux = <K1_PADCONF(45, 4)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm16_0_cfg: pwm16-0-cfg {
+ pwm16-0-pins {
+ pinmux = <K1_PADCONF(9, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm16_1_cfg: pwm16-1-cfg {
+ pwm16-1-pins {
+ pinmux = <K1_PADCONF(46, 4)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm17_0_cfg: pwm17-0-cfg {
+ pwm17-0-pins {
+ pinmux = <K1_PADCONF(10, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm17_1_cfg: pwm17-1-cfg {
+ pwm17-1-pins {
+ pinmux = <K1_PADCONF(53, 2)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm18_0_cfg: pwm18-0-cfg {
+ pwm18-0-pins {
+ pinmux = <K1_PADCONF(11, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm18_1_cfg: pwm18-1-cfg {
+ pwm18-1-pins {
+ pinmux = <K1_PADCONF(57, 4)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm19_0_cfg: pwm19-0-cfg {
+ pwm19-0-pins {
+ pinmux = <K1_PADCONF(13, 3)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
+ pwm19_1_cfg: pwm19-1-cfg {
+ pwm19-1-pins {
+ pinmux = <K1_PADCONF(63, 4)>;
+ bias-pull-up = <0>;
+ drive-strength = <32>;
+ };
+ };
};
--
2.43.0
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