Re: [PATCH] arm64: dts: ti: k3-j722s-evm: Enable main_uart5

From: Bhavya Kapoor
Date: Tue May 28 2024 - 05:40:15 EST



On 28/05/24 3:09 pm, Bhavya Kapoor wrote:
main_uart5 node defined in the SoC dtsi file is incomplete
and will not be functional unless it is extended with pinmux
information at board integration level.

Thus, add pinmux for main_uart5 in the board dts file and
enable it to make it functional.

Signed-off-by: Bhavya Kapoor <b-kapoor@xxxxxx>
---
rebased to next-20240528
arch/arm64/boot/dts/ti/k3-j722s-evm.dts | 16 ++++++++++++++++
1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
index bf3c246d13d1..e3892a6f2fab 100644
--- a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
@@ -18,6 +18,7 @@ / {
aliases {
serial0 = &wkup_uart0;
serial2 = &main_uart0;
+ serial3 = &main_uart5;
mmc0 = &sdhci0;
mmc1 = &sdhci1;
};
@@ -142,6 +143,14 @@ J722S_IOPAD(0x01cc, PIN_OUTPUT, 0) /* (B22) UART0_TXD */
bootph-all;
};
+ main_uart5_pins_default: main-uart5-default-pins {
+ pinctrl-single,pins = <
+ J722S_IOPAD(0x0108, PIN_INPUT, 3) /* (J27) UART5_RXD */
+ J722S_IOPAD(0x010c, PIN_OUTPUT, 3) /* (H27) UART5_TXD */
+ >;
+ bootph-all;
+ };
+
vdd_sd_dv_pins_default: vdd-sd-dv-default-pins {
pinctrl-single,pins = <
J722S_IOPAD(0x0120, PIN_INPUT, 7) /* (F27) MMC2_CMD.GPIO0_70 */
@@ -240,6 +249,13 @@ &main_uart0 {
bootph-all;
};
+&main_uart5 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_uart5_pins_default>;
+ status = "okay";
+ bootph-all;
+};
+
&mcu_pmx0 {
wkup_uart0_pins_default: wkup-uart0-default-pins {