linux-kernel - [PATCH 4/9] arm64: dts: renesas: rzg2l: Enable Ethernet TXC output

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Message-Id: <20240524094603.988-5-paul.barker.ct@bp.renesas.com>
Date: Fri, 24 May 2024 10:45:58 +0100
From: Paul Barker <paul.barker.ct@...renesas.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>
Cc: Paul Barker <paul.barker.ct@...renesas.com>,
	linux-renesas-soc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 4/9] arm64: dts: renesas: rzg2l: Enable Ethernet TXC output

Configure ET0_TXC and ET1_TXC as outputs on the Renesas RZ/[GV]2L SMARC
SoMs, as per RGMII specification.

Signed-off-by: Paul Barker <paul.barker.ct@...renesas.com>
---
 .../boot/dts/renesas/rzg2l-smarc-som.dtsi     | 76 +++++++++++--------
 1 file changed, 44 insertions(+), 32 deletions(-)

diff --git a/arch/arm64/boot/dts/renesas/rzg2l-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg2l-smarc-som.dtsi
index 4409c47239b9..2b5e037ea9fa 100644
--- a/arch/arm64/boot/dts/renesas/rzg2l-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2l-smarc-som.dtsi
@@ -180,41 +180,53 @@ adc_pins: adc {
 	};
 
 	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(1, 0, 1)>;  /* IRQ2 */
+		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(1, 0, 1)>;  /* IRQ2 */
+		};
 	};
 
 	eth1_pins: eth1 {
-		pinmux = <RZG2L_PORT_PINMUX(37, 2, 1)>, /* ET1_LINKSTA */
-			 <RZG2L_PORT_PINMUX(37, 0, 1)>, /* ET1_MDC */
-			 <RZG2L_PORT_PINMUX(37, 1, 1)>, /* ET1_MDIO */
-			 <RZG2L_PORT_PINMUX(29, 0, 1)>, /* ET1_TXC */
-			 <RZG2L_PORT_PINMUX(29, 1, 1)>, /* ET1_TX_CTL */
-			 <RZG2L_PORT_PINMUX(30, 0, 1)>, /* ET1_TXD0 */
-			 <RZG2L_PORT_PINMUX(30, 1, 1)>, /* ET1_TXD1 */
-			 <RZG2L_PORT_PINMUX(31, 0, 1)>, /* ET1_TXD2 */
-			 <RZG2L_PORT_PINMUX(31, 1, 1)>, /* ET1_TXD3 */
-			 <RZG2L_PORT_PINMUX(33, 1, 1)>, /* ET1_RXC */
-			 <RZG2L_PORT_PINMUX(34, 0, 1)>, /* ET1_RX_CTL */
-			 <RZG2L_PORT_PINMUX(34, 1, 1)>, /* ET1_RXD0 */
-			 <RZG2L_PORT_PINMUX(35, 0, 1)>, /* ET1_RXD1 */
-			 <RZG2L_PORT_PINMUX(35, 1, 1)>, /* ET1_RXD2 */
-			 <RZG2L_PORT_PINMUX(36, 0, 1)>, /* ET1_RXD3 */
-			 <RZG2L_PORT_PINMUX(1, 1, 1)>;  /* IRQ3 */
+		txc {
+			pinmux = <RZG2L_PORT_PINMUX(29, 0, 1)>; /* ET1_TXC */
+			output-enable;
+		};
+
+		mux {
+			pinmux = <RZG2L_PORT_PINMUX(37, 2, 1)>, /* ET1_LINKSTA */
+				 <RZG2L_PORT_PINMUX(37, 0, 1)>, /* ET1_MDC */
+				 <RZG2L_PORT_PINMUX(37, 1, 1)>, /* ET1_MDIO */
+				 <RZG2L_PORT_PINMUX(29, 1, 1)>, /* ET1_TX_CTL */
+				 <RZG2L_PORT_PINMUX(30, 0, 1)>, /* ET1_TXD0 */
+				 <RZG2L_PORT_PINMUX(30, 1, 1)>, /* ET1_TXD1 */
+				 <RZG2L_PORT_PINMUX(31, 0, 1)>, /* ET1_TXD2 */
+				 <RZG2L_PORT_PINMUX(31, 1, 1)>, /* ET1_TXD3 */
+				 <RZG2L_PORT_PINMUX(33, 1, 1)>, /* ET1_RXC */
+				 <RZG2L_PORT_PINMUX(34, 0, 1)>, /* ET1_RX_CTL */
+				 <RZG2L_PORT_PINMUX(34, 1, 1)>, /* ET1_RXD0 */
+				 <RZG2L_PORT_PINMUX(35, 0, 1)>, /* ET1_RXD1 */
+				 <RZG2L_PORT_PINMUX(35, 1, 1)>, /* ET1_RXD2 */
+				 <RZG2L_PORT_PINMUX(36, 0, 1)>, /* ET1_RXD3 */
+				 <RZG2L_PORT_PINMUX(1, 1, 1)>;  /* IRQ3 */
+		};
 	};
 
 	gpio-sd0-pwr-en-hog {
-- 
2.39.2