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ARM: dts: stm32: Add alternate pinmux for ethernet0 pins 

Add another mux option for ethernet0 pins, this is used on DHCOM when
the ethernet PHY 50 MHz clock is generated by the MCO2 on PG2 pin and
then fed back via PA1 pin.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Christophe Roullier <christophe.roullier@foss.st.com>
Cc: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-clk@vger.kernel.org
Cc: linux-stm32@st-md-mailman.stormreply.com
To: linux-arm-kernel@lists.infradead.org
Tested-by: Johann Neuhauser <jneuhauser@dh-electronics.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
This commit is contained in:
Marek Vasut 2022-01-18 21:29:56 +01:00 committed by Alexandre Torgue
parent 3123109284
commit 7828494f78
1 changed files with 34 additions and 0 deletions
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34
arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
View File

@ -379,6 +379,40 @@
};
};
ethernet0_rmii_pins_c: rmii-2 {
pins1 {
pinmux = <STM32_PINMUX('G', 13, AF11)>, /* ETH1_RMII_TXD0 */
<STM32_PINMUX('G', 14, AF11)>, /* ETH1_RMII_TXD1 */
<STM32_PINMUX('B', 11, AF11)>, /* ETH1_RMII_TX_EN */
<STM32_PINMUX('A', 1, AF11)>, /* ETH1_RMII_REF_CLK */
<STM32_PINMUX('A', 2, AF11)>, /* ETH1_MDIO */
<STM32_PINMUX('C', 1, AF11)>; /* ETH1_MDC */
bias-disable;
drive-push-pull;
slew-rate = <2>;
};
pins2 {
pinmux = <STM32_PINMUX('C', 4, AF11)>, /* ETH1_RMII_RXD0 */
<STM32_PINMUX('C', 5, AF11)>, /* ETH1_RMII_RXD1 */
<STM32_PINMUX('A', 7, AF11)>; /* ETH1_RMII_CRS_DV */
bias-disable;
};
};
ethernet0_rmii_sleep_pins_c: rmii-sleep-2 {
pins1 {
pinmux = <STM32_PINMUX('G', 13, ANALOG)>, /* ETH1_RMII_TXD0 */
<STM32_PINMUX('G', 14, ANALOG)>, /* ETH1_RMII_TXD1 */
<STM32_PINMUX('B', 11, ANALOG)>, /* ETH1_RMII_TX_EN */
<STM32_PINMUX('A', 2, ANALOG)>, /* ETH1_MDIO */
<STM32_PINMUX('C', 1, ANALOG)>, /* ETH1_MDC */
<STM32_PINMUX('C', 4, ANALOG)>, /* ETH1_RMII_RXD0 */
<STM32_PINMUX('C', 5, ANALOG)>, /* ETH1_RMII_RXD1 */
<STM32_PINMUX('A', 1, ANALOG)>, /* ETH1_RMII_REF_CLK */
<STM32_PINMUX('A', 7, ANALOG)>; /* ETH1_RMII_CRS_DV */
};
};
fmc_pins_a: fmc-0 {
pins1 {
pinmux = <STM32_PINMUX('D', 4, AF12)>, /* FMC_NOE */