diff mbox series

[4/4] arm64: dts: ti: k3-am642-evm: Add ecap0 node

Message ID 20210719085402.28569-5-lokeshvutla@ti.com (mailing list archive)
State New, archived
Headers show
Series arm64: dts: ti: k3-am64: Add PWM nodes | expand

Commit Message

Lokesh Vutla July 19, 2021, 8:54 a.m. UTC 
ecap0 can be configured to use pad ECAP0_IN_APWM_OUT (D18) which has a
signal connected to Pin 1 of J12 on EVM. Add support for adding this
pinmux so that pwm can be observed on pin 1 of Header J12

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
---
 arch/arm64/boot/dts/ti/k3-am642-evm.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

Comments

Nishanth Menon July 19, 2021, 3:23 p.m. UTC | #1 
On 14:24-20210719, Lokesh Vutla wrote:
> ecap0 can be configured to use pad ECAP0_IN_APWM_OUT (D18) which has a
> signal connected to Pin 1 of J12 on EVM. Add support for adding this
> pinmux so that pwm can be observed on pin 1 of Header J12
> 
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
> Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
> ---
>  arch/arm64/boot/dts/ti/k3-am642-evm.dts | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
> index 030712221188..7da1238cb1d6 100644
> --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
> @@ -288,6 +288,12 @@ AM64X_IOPAD(0x0028, PIN_INPUT, 0) /* (M17) OSPI0_D7 */
>  			AM64X_IOPAD(0x0008, PIN_INPUT, 0) /* (N19) OSPI0_DQS */
>  		>;
>  	};
> +
> +	main_ecap0_pins_default: main-ecap0-pins-default {
> +		pinctrl-single,pins = <
> +			AM64X_IOPAD(0x0270, PIN_INPUT, 0) /* (D18) ECAP0_IN_APWM_OUT */
> +		>;
> +	};
>  };
>  
>  &main_uart0 {
> @@ -574,3 +580,9 @@ &pcie0_ep {
>  	num-lanes = <1>;
>  	status = "disabled";
>  };
> +
> +&ecap0 {
> +	/* PWM is available on Pin 1 of header J12 */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&main_ecap0_pins_default>;
> +};
> -- 
> 2.30.0
> 

Do the other ecap and pwm nodes need to be disabled since they may not
be pinned out?
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
index 030712221188..7da1238cb1d6 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
@@ -288,6 +288,12 @@  AM64X_IOPAD(0x0028, PIN_INPUT, 0) /* (M17) OSPI0_D7 */
 			AM64X_IOPAD(0x0008, PIN_INPUT, 0) /* (N19) OSPI0_DQS */
 		>;
 	};
+
+	main_ecap0_pins_default: main-ecap0-pins-default {
+		pinctrl-single,pins = <
+			AM64X_IOPAD(0x0270, PIN_INPUT, 0) /* (D18) ECAP0_IN_APWM_OUT */
+		>;
+	};
 };
 
 &main_uart0 {
@@ -574,3 +580,9 @@  &pcie0_ep {
 	num-lanes = <1>;
 	status = "disabled";
 };
+
+&ecap0 {
+	/* PWM is available on Pin 1 of header J12 */
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_ecap0_pins_default>;
+};