[PATCH 5/9] arm64: dts: renesas: rzg2lc: Enable Ethernet TXC output

From: Paul Barker
Date: Fri May 24 2024 - 05:48:12 EST


Configure ET0_TXC and ET1_TXC as outputs on the Renesas RZ/G2LC SMARC
SoM, as per RGMII specification.

Signed-off-by: Paul Barker <paul.barker.ct@xxxxxxxxxxxxxx>
---
.../boot/dts/renesas/rzg2lc-smarc-som.dtsi | 38 +++++++++++--------
1 file changed, 22 insertions(+), 16 deletions(-)

diff --git a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
index 5e4209d6fb42..664311fd2098 100644
--- a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
@@ -128,22 +128,28 @@ &ostm2 {

&pinctrl {
eth0_pins: eth0 {
- pinmux = <RZG2L_PORT_PINMUX(28, 1, 1)>, /* ET0_LINKSTA */
- <RZG2L_PORT_PINMUX(27, 1, 1)>, /* ET0_MDC */
- <RZG2L_PORT_PINMUX(28, 0, 1)>, /* ET0_MDIO */
- <RZG2L_PORT_PINMUX(20, 0, 1)>, /* ET0_TXC */
- <RZG2L_PORT_PINMUX(20, 1, 1)>, /* ET0_TX_CTL */
- <RZG2L_PORT_PINMUX(20, 2, 1)>, /* ET0_TXD0 */
- <RZG2L_PORT_PINMUX(21, 0, 1)>, /* ET0_TXD1 */
- <RZG2L_PORT_PINMUX(21, 1, 1)>, /* ET0_TXD2 */
- <RZG2L_PORT_PINMUX(22, 0, 1)>, /* ET0_TXD3 */
- <RZG2L_PORT_PINMUX(24, 0, 1)>, /* ET0_RXC */
- <RZG2L_PORT_PINMUX(24, 1, 1)>, /* ET0_RX_CTL */
- <RZG2L_PORT_PINMUX(25, 0, 1)>, /* ET0_RXD0 */
- <RZG2L_PORT_PINMUX(25, 1, 1)>, /* ET0_RXD1 */
- <RZG2L_PORT_PINMUX(26, 0, 1)>, /* ET0_RXD2 */
- <RZG2L_PORT_PINMUX(26, 1, 1)>, /* ET0_RXD3 */
- <RZG2L_PORT_PINMUX(0, 0, 1)>; /* IRQ0 */
+ txc {
+ pinmux = <RZG2L_PORT_PINMUX(20, 0, 1)>; /* ET0_TXC */
+ output-enable;
+ };
+
+ mux {
+ pinmux = <RZG2L_PORT_PINMUX(28, 1, 1)>, /* ET0_LINKSTA */
+ <RZG2L_PORT_PINMUX(27, 1, 1)>, /* ET0_MDC */
+ <RZG2L_PORT_PINMUX(28, 0, 1)>, /* ET0_MDIO */
+ <RZG2L_PORT_PINMUX(20, 1, 1)>, /* ET0_TX_CTL */
+ <RZG2L_PORT_PINMUX(20, 2, 1)>, /* ET0_TXD0 */
+ <RZG2L_PORT_PINMUX(21, 0, 1)>, /* ET0_TXD1 */
+ <RZG2L_PORT_PINMUX(21, 1, 1)>, /* ET0_TXD2 */
+ <RZG2L_PORT_PINMUX(22, 0, 1)>, /* ET0_TXD3 */
+ <RZG2L_PORT_PINMUX(24, 0, 1)>, /* ET0_RXC */
+ <RZG2L_PORT_PINMUX(24, 1, 1)>, /* ET0_RX_CTL */
+ <RZG2L_PORT_PINMUX(25, 0, 1)>, /* ET0_RXD0 */
+ <RZG2L_PORT_PINMUX(25, 1, 1)>, /* ET0_RXD1 */
+ <RZG2L_PORT_PINMUX(26, 0, 1)>, /* ET0_RXD2 */
+ <RZG2L_PORT_PINMUX(26, 1, 1)>, /* ET0_RXD3 */
+ <RZG2L_PORT_PINMUX(0, 0, 1)>; /* IRQ0 */
+ };
};

gpio-sd0-pwr-en-hog {
--
2.39.2