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Message-ID: <20250903-mp2_ethernet-v1-1-4105b0ad2344@foss.st.com>
Date: Wed, 3 Sep 2025 11:53:02 +0200
From: Gatien Chevallier <gatien.chevallier@...s.st.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Maxime Coquelin
<mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>
CC: <devicetree@...r.kernel.org>, <linux-stm32@...md-mailman.stormreply.com>,
<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
Gatien Chevallier <gatien.chevallier@...s.st.com>
Subject: [PATCH 1/4] arm64: dts: st: add eth1 pins for stm32mp2x platforms
Eth1 ethernet controller is present on every stm32mp2x vendor boards.
Describe the pinctrl of eth1 for each of them.
Signed-off-by: Gatien Chevallier <gatien.chevallier@...s.st.com>
---
arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi | 126 ++++++++++++++++++++++++++
1 file changed, 126 insertions(+)
diff --git a/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi b/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
index 5ac9e72478dddb82be0ef7432d7e728932b2f4d6..3a2a82de48536ef4fe625b69a61e91f746b0d53f 100644
--- a/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
@@ -6,6 +6,132 @@
#include <dt-bindings/pinctrl/stm32-pinfunc.h>
&pinctrl {
+ eth1_mdio_pins_a: eth1-mdio-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('F', 0, AF10)>; /* ETH_MDC */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <2>;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('F', 2, AF10)>; /* ETH_MDIO */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <0>;
+ };
+ };
+
+ eth1_mdio_sleep_pins_a: eth1-mdio-sleep-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('F', 0, ANALOG)>, /* ETH_MDC */
+ <STM32_PINMUX('F', 2, ANALOG)>; /* ETH_MDIO */
+ };
+ };
+
+ eth1_rgmii_pins_a: eth1-rgmii-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('A', 15, AF10)>, /* ETH_RGMII_TXD0 */
+ <STM32_PINMUX('C', 1, AF10)>, /* ETH_RGMII_TXD1 */
+ <STM32_PINMUX('H', 10, AF10)>, /* ETH_RGMII_TXD2 */
+ <STM32_PINMUX('H', 11, AF10)>, /* ETH_RGMII_TXD3 */
+ <STM32_PINMUX('A', 13, AF10)>; /* ETH_RGMII_TX_CTL */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <3>;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('H', 9, AF10)>, /* ETH_RGMII_CLK125 */
+ <STM32_PINMUX('C', 0, AF12)>; /* ETH_RGMII_GTX_CLK */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <3>;
+ };
+ pins3 {
+ pinmux = <STM32_PINMUX('F', 1, AF10)>, /* ETH_RGMII_RXD0 */
+ <STM32_PINMUX('C', 2, AF10)>, /* ETH_RGMII_RXD1 */
+ <STM32_PINMUX('H', 12, AF10)>, /* ETH_RGMII_RXD2 */
+ <STM32_PINMUX('H', 13, AF10)>, /* ETH_RGMII_RXD3 */
+ <STM32_PINMUX('A', 11, AF10)>; /* ETH_RGMII_RX_CTL */
+ bias-disable;
+ };
+ pins4 {
+ pinmux = <STM32_PINMUX('A', 14, AF10)>; /* ETH_RGMII_RX_CLK */
+ bias-disable;
+ };
+ };
+
+ eth1_rgmii_sleep_pins_a: eth1-rgmii-sleep-0 {
+ pins {
+ pinmux = <STM32_PINMUX('A', 15, ANALOG)>, /* ETH_RGMII_TXD0 */
+ <STM32_PINMUX('C', 1, ANALOG)>, /* ETH_RGMII_TXD1 */
+ <STM32_PINMUX('H', 10, ANALOG)>, /* ETH_RGMII_TXD2 */
+ <STM32_PINMUX('H', 11, ANALOG)>, /* ETH_RGMII_TXD3 */
+ <STM32_PINMUX('A', 13, ANALOG)>, /* ETH_RGMII_TX_CTL */
+ <STM32_PINMUX('H', 9, ANALOG)>, /* ETH_RGMII_CLK125 */
+ <STM32_PINMUX('C', 0, ANALOG)>, /* ETH_RGMII_GTX_CLK */
+ <STM32_PINMUX('F', 1, ANALOG)>, /* ETH_RGMII_RXD0 */
+ <STM32_PINMUX('C', 2, ANALOG)>, /* ETH_RGMII_RXD1 */
+ <STM32_PINMUX('H', 12, ANALOG)>, /* ETH_RGMII_RXD2 */
+ <STM32_PINMUX('H', 13, ANALOG)>, /* ETH_RGMII_RXD3 */
+ <STM32_PINMUX('A', 11, ANALOG)>, /* ETH_RGMII_RX_CTL */
+ <STM32_PINMUX('A', 14, ANALOG)>; /* ETH_RGMII_RX_CLK */
+ };
+ };
+
+ eth1_rgmii_pins_b: eth1-rgmii-1 {
+ pins1 {
+ pinmux = <STM32_PINMUX('A', 15, AF10)>, /* ETH_RGMII_TXD0 */
+ <STM32_PINMUX('C', 1, AF10)>, /* ETH_RGMII_TXD1 */
+ <STM32_PINMUX('H', 10, AF10)>, /* ETH_RGMII_TXD2 */
+ <STM32_PINMUX('H', 11, AF10)>, /* ETH_RGMII_TXD3 */
+ <STM32_PINMUX('A', 13, AF10)>; /* ETH_RGMII_TX_CTL */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <3>;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('H', 9, AF10)>, /* ETH_RGMII_CLK125 */
+ <STM32_PINMUX('C', 0, AF12)>, /* ETH_RGMII_GTX_CLK */
+ <STM32_PINMUX('A', 9, AF10)>, /* ETH_MDC */
+ <STM32_PINMUX('A', 10, AF10)>; /* ETH_MDIO */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <3>;
+ };
+ pins3 {
+ pinmux = <STM32_PINMUX('F', 1, AF10)>, /* ETH_RGMII_RXD0 */
+ <STM32_PINMUX('C', 2, AF10)>, /* ETH_RGMII_RXD1 */
+ <STM32_PINMUX('H', 12, AF10)>, /* ETH_RGMII_RXD2 */
+ <STM32_PINMUX('H', 13, AF10)>, /* ETH_RGMII_RXD3 */
+ <STM32_PINMUX('A', 11, AF10)>; /* ETH_RGMII_RX_CTL */
+ bias-disable;
+ };
+ pins4 {
+ pinmux = <STM32_PINMUX('A', 14, AF10)>; /* ETH_RGMII_RX_CLK */
+ bias-disable;
+ };
+ };
+
+ eth1_rgmii_sleep_pins_b: eth1-rgmii-sleep-1 {
+ pins {
+ pinmux = <STM32_PINMUX('A', 15, ANALOG)>, /* ETH_RGMII_TXD0 */
+ <STM32_PINMUX('C', 1, ANALOG)>, /* ETH_RGMII_TXD1 */
+ <STM32_PINMUX('H', 10, ANALOG)>, /* ETH_RGMII_TXD2 */
+ <STM32_PINMUX('H', 11, ANALOG)>, /* ETH_RGMII_TXD3 */
+ <STM32_PINMUX('A', 13, ANALOG)>, /* ETH_RGMII_TX_CTL */
+ <STM32_PINMUX('H', 9, ANALOG)>, /* ETH_RGMII_CLK125 */
+ <STM32_PINMUX('C', 0, ANALOG)>, /* ETH_RGMII_GTX_CLK */
+ <STM32_PINMUX('A', 9, ANALOG)>, /* ETH_MDC */
+ <STM32_PINMUX('A', 10, ANALOG)>, /* ETH_MDIO */
+ <STM32_PINMUX('F', 1, ANALOG)>, /* ETH_RGMII_RXD0 */
+ <STM32_PINMUX('C', 2, ANALOG)>, /* ETH_RGMII_RXD1 */
+ <STM32_PINMUX('H', 12, ANALOG)>, /* ETH_RGMII_RXD2 */
+ <STM32_PINMUX('H', 13, ANALOG)>, /* ETH_RGMII_RXD3 */
+ <STM32_PINMUX('A', 11, ANALOG)>, /* ETH_RGMII_RX_CTL */
+ <STM32_PINMUX('A', 14, AF10)>; /* ETH_RGMII_RX_CLK */
+ };
+ };
+
eth2_rgmii_pins_a: eth2-rgmii-0 {
pins1 {
pinmux = <STM32_PINMUX('C', 7, AF10)>, /* ETH_RGMII_TXD0 */
--
2.25.1
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