[PATCH 07/10] arm64: dts: ti: k3-am642-evm: Describe main_uart1 pins

From: Nishanth Menon
Date: Fri Apr 14 2023 - 03:34:19 EST


Describe the main_uart1 pins even though it is a reserved node for
hardware complete description. This is used by other users of device
tree to help configure the SoC per board requirements.

Signed-off-by: Nishanth Menon <nm@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-am642-evm.dts | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
index 6456cc6d739b..a1ed102a69f1 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
@@ -215,6 +215,15 @@ AM64X_IOPAD(0x0290, PIN_INPUT, 0) /* MMC1_CLKLB */
>;
};

+ main_uart1_pins_default: main-uart1-pins-default {
+ pinctrl-single,pins = <
+ AM64X_IOPAD(0x0248, PIN_INPUT, 0) /* (D16) UART1_CTSn */
+ AM64X_IOPAD(0x024c, PIN_OUTPUT, 0) /* (E16) UART1_RTSn */
+ AM64X_IOPAD(0x0240, PIN_INPUT, 0) /* (E15) UART1_RXD */
+ AM64X_IOPAD(0x0244, PIN_OUTPUT, 0) /* (E14) UART1_TXD */
+ >;
+ };
+
main_uart0_pins_default: main-uart0-pins-default {
pinctrl-single,pins = <
AM64X_IOPAD(0x0238, PIN_INPUT, 0) /* (B16) UART0_CTSn */
@@ -340,6 +349,8 @@ &main_uart0 {
/* main_uart1 is reserved for firmware usage */
&main_uart1 {
status = "reserved";
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_uart1_pins_default>;
};

&main_i2c0 {
--
2.40.0