summaryrefslogtreecommitdiff
path: root/arch/riscv/boot
diff options
context:
space:
mode:
authorWilliam Qiu <william.qiu@starfivetech.com>2023-12-22 17:45:47 +0800
committerConor Dooley <conor.dooley@microchip.com>2024-01-22 21:00:03 +0000
commit5e598b99fedf57858a98c5edf9da55e378910781 (patch)
treeb865de09007a28efc64c81618d3c41c7aa5880c3 /arch/riscv/boot
parent2529085831b01fcd02ff58ab4e2596d3b31bcf80 (diff)
riscv: dts: starfive: jh7100: Add PWM node and pins configuration
Add OpenCores PWM controller node and add PWM pins configuration on VisionFive 1 board. Signed-off-by: William Qiu <william.qiu@starfivetech.com> Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com> Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Diffstat (limited to 'arch/riscv/boot')
-rw-r--r--arch/riscv/boot/dts/starfive/jh7100-common.dtsi24
-rw-r--r--arch/riscv/boot/dts/starfive/jh7100.dtsi9
2 files changed, 33 insertions, 0 deletions
diff --git a/arch/riscv/boot/dts/starfive/jh7100-common.dtsi b/arch/riscv/boot/dts/starfive/jh7100-common.dtsi
index 42fb61c36068..6aac0404b465 100644
--- a/arch/riscv/boot/dts/starfive/jh7100-common.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7100-common.dtsi
@@ -115,6 +115,24 @@
};
};
+ pwm_pins: pwm-0 {
+ pwm-pins {
+ pinmux = <GPIOMUX(7,
+ GPO_PWM_PAD_OUT_BIT0,
+ GPO_PWM_PAD_OE_N_BIT0,
+ GPI_NONE)>,
+ <GPIOMUX(5,
+ GPO_PWM_PAD_OUT_BIT1,
+ GPO_PWM_PAD_OE_N_BIT1,
+ GPI_NONE)>;
+ bias-disable;
+ drive-strength = <35>;
+ input-disable;
+ input-schmitt-disable;
+ slew-rate = <0>;
+ };
+ };
+
sdio0_pins: sdio0-0 {
clk-pins {
pinmux = <GPIOMUX(54, GPO_SDIO0_PAD_CCLK_OUT,
@@ -257,6 +275,12 @@
clock-frequency = <27000000>;
};
+&pwm {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm_pins>;
+ status = "okay";
+};
+
&sdio0 {
broken-cd;
bus-width = <4>;
diff --git a/arch/riscv/boot/dts/starfive/jh7100.dtsi b/arch/riscv/boot/dts/starfive/jh7100.dtsi
index c216aaecac53..164b62787af4 100644
--- a/arch/riscv/boot/dts/starfive/jh7100.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7100.dtsi
@@ -320,6 +320,15 @@
<&rstgen JH7100_RSTN_WDT>;
};
+ pwm: pwm@12490000 {
+ compatible = "starfive,jh7100-pwm", "opencores,pwm-v1";
+ reg = <0x0 0x12490000 0x0 0x10000>;
+ clocks = <&clkgen JH7100_CLK_PWM_APB>;
+ resets = <&rstgen JH7100_RSTN_PWM_APB>;
+ #pwm-cells = <3>;
+ status = "disabled";
+ };
+
sfctemp: temperature-sensor@124a0000 {
compatible = "starfive,jh7100-temp";
reg = <0x0 0x124a0000 0x0 0x10000>;