ARM: dts: stm32: Add KS8851-16MLL ethernet on FMC2
Add DT entries, Kconfig entries and board-specific entries to configure
FMC2 bus and make KS8851-16MLL on that bus accessible to U-Boot.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
diff --git a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
index 62c45de..b57f3d5 100644
--- a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
@@ -37,6 +37,12 @@
default-state = "on";
};
};
+
+ /* This is actually on FMC2, but we do not have bus driver for that */
+ ksz8851: ks8851mll@64000000 {
+ compatible = "micrel,ks8851-mll";
+ reg = <0x64000000 0x20000>;
+ };
};
&i2c4 {
@@ -50,6 +56,68 @@
};
};
+&pinctrl {
+ /* These should bound to FMC2 bus driver, but we do not have one */
+ pinctrl-0 = <&fmc_pins_b>;
+ pinctrl-1 = <&fmc_sleep_pins_b>;
+ pinctrl-names = "default", "sleep";
+
+ fmc_pins_b: fmc-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('D', 4, AF12)>, /* FMC_NOE */
+ <STM32_PINMUX('D', 5, AF12)>, /* FMC_NWE */
+ <STM32_PINMUX('B', 7, AF12)>, /* FMC_NL */
+ <STM32_PINMUX('D', 14, AF12)>, /* FMC_D0 */
+ <STM32_PINMUX('D', 15, AF12)>, /* FMC_D1 */
+ <STM32_PINMUX('D', 0, AF12)>, /* FMC_D2 */
+ <STM32_PINMUX('D', 1, AF12)>, /* FMC_D3 */
+ <STM32_PINMUX('E', 7, AF12)>, /* FMC_D4 */
+ <STM32_PINMUX('E', 8, AF12)>, /* FMC_D5 */
+ <STM32_PINMUX('E', 9, AF12)>, /* FMC_D6 */
+ <STM32_PINMUX('E', 10, AF12)>, /* FMC_D7 */
+ <STM32_PINMUX('E', 11, AF12)>, /* FMC_D8 */
+ <STM32_PINMUX('E', 12, AF12)>, /* FMC_D9 */
+ <STM32_PINMUX('E', 13, AF12)>, /* FMC_D10 */
+ <STM32_PINMUX('E', 14, AF12)>, /* FMC_D11 */
+ <STM32_PINMUX('E', 15, AF12)>, /* FMC_D12 */
+ <STM32_PINMUX('D', 8, AF12)>, /* FMC_D13 */
+ <STM32_PINMUX('D', 9, AF12)>, /* FMC_D14 */
+ <STM32_PINMUX('D', 10, AF12)>, /* FMC_D15 */
+ <STM32_PINMUX('G', 9, AF12)>, /* FMC_NE2_FMC_NCE */
+ <STM32_PINMUX('G', 12, AF12)>; /* FMC_NE4 */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <3>;
+ };
+ };
+
+ fmc_sleep_pins_b: fmc-sleep-0 {
+ pins {
+ pinmux = <STM32_PINMUX('D', 4, ANALOG)>, /* FMC_NOE */
+ <STM32_PINMUX('D', 5, ANALOG)>, /* FMC_NWE */
+ <STM32_PINMUX('B', 7, ANALOG)>, /* FMC_NL */
+ <STM32_PINMUX('D', 14, ANALOG)>, /* FMC_D0 */
+ <STM32_PINMUX('D', 15, ANALOG)>, /* FMC_D1 */
+ <STM32_PINMUX('D', 0, ANALOG)>, /* FMC_D2 */
+ <STM32_PINMUX('D', 1, ANALOG)>, /* FMC_D3 */
+ <STM32_PINMUX('E', 7, ANALOG)>, /* FMC_D4 */
+ <STM32_PINMUX('E', 8, ANALOG)>, /* FMC_D5 */
+ <STM32_PINMUX('E', 9, ANALOG)>, /* FMC_D6 */
+ <STM32_PINMUX('E', 10, ANALOG)>, /* FMC_D7 */
+ <STM32_PINMUX('E', 11, ANALOG)>, /* FMC_D8 */
+ <STM32_PINMUX('E', 12, ANALOG)>, /* FMC_D9 */
+ <STM32_PINMUX('E', 13, ANALOG)>, /* FMC_D10 */
+ <STM32_PINMUX('E', 14, ANALOG)>, /* FMC_D11 */
+ <STM32_PINMUX('E', 15, ANALOG)>, /* FMC_D12 */
+ <STM32_PINMUX('D', 8, ANALOG)>, /* FMC_D13 */
+ <STM32_PINMUX('D', 9, ANALOG)>, /* FMC_D14 */
+ <STM32_PINMUX('D', 10, ANALOG)>, /* FMC_D15 */
+ <STM32_PINMUX('G', 9, ANALOG)>, /* FMC_NE2_FMC_NCE */
+ <STM32_PINMUX('G', 12, ANALOG)>; /* FMC_NE4 */
+ };
+ };
+};
+
&pmic {
u-boot,dm-pre-reloc;
};