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authorSiddharth Vadapalli <s-vadapalli@ti.com>2023-03-15 07:25:48 +0300
committerNishanth Menon <nm@ti.com>2023-03-20 20:46:23 +0300
commit6cd4b7cfbcca4a45f06a8031f299c4019221a4ce (patch)
treefa2e8f640b94d27ae030733b773e815d1db055d7 /arch/arm64/boot/dts/ti
parentcf2aacfe5f48b8c91d148dd7a3d3814b8ae04463 (diff)
downloadlinux-6cd4b7cfbcca4a45f06a8031f299c4019221a4ce.tar.xz
arm64: dts: ti: k3-j784s4-evm: Enable MCU CPSW2G
Add device tree support to enable MCU CPSW with J784S4 EVM. Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com> Reviewed-by: Andrew Davis <afd@ti.com> Link: https://lore.kernel.org/r/20230315042548.1500528-1-s-vadapalli@ti.com Signed-off-by: Nishanth Menon <nm@ti.com>
Diffstat (limited to 'arch/arm64/boot/dts/ti')
-rw-r--r--arch/arm64/boot/dts/ti/k3-j784s4-evm.dts50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
index 8cd4a7ecc121..476ad8915c5b 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
@@ -140,6 +140,32 @@
};
};
+&wkup_pmx0 {
+ mcu_cpsw_pins_default: mcu-cpsw-pins-default {
+ pinctrl-single,pins = <
+ J784S4_WKUP_IOPAD(0x094, PIN_INPUT, 0) /* (A35) MCU_RGMII1_RD0 */
+ J784S4_WKUP_IOPAD(0x090, PIN_INPUT, 0) /* (B36) MCU_RGMII1_RD1 */
+ J784S4_WKUP_IOPAD(0x08c, PIN_INPUT, 0) /* (C36) MCU_RGMII1_RD2 */
+ J784S4_WKUP_IOPAD(0x088, PIN_INPUT, 0) /* (D36) MCU_RGMII1_RD3 */
+ J784S4_WKUP_IOPAD(0x084, PIN_INPUT, 0) /* (B37) MCU_RGMII1_RXC */
+ J784S4_WKUP_IOPAD(0x06c, PIN_INPUT, 0) /* (C37) MCU_RGMII1_RX_CTL */
+ J784S4_WKUP_IOPAD(0x07c, PIN_OUTPUT, 0) /* (D37) MCU_RGMII1_TD0 */
+ J784S4_WKUP_IOPAD(0x078, PIN_OUTPUT, 0) /* (D38) MCU_RGMII1_TD1 */
+ J784S4_WKUP_IOPAD(0x074, PIN_OUTPUT, 0) /* (E37) MCU_RGMII1_TD2 */
+ J784S4_WKUP_IOPAD(0x070, PIN_OUTPUT, 0) /* (E38) MCU_RGMII1_TD3 */
+ J784S4_WKUP_IOPAD(0x080, PIN_OUTPUT, 0) /* (E36) MCU_RGMII1_TXC */
+ J784S4_WKUP_IOPAD(0x068, PIN_OUTPUT, 0) /* (C38) MCU_RGMII1_TX_CTL */
+ >;
+ };
+
+ mcu_mdio_pins_default: mcu-mdio-pins-default {
+ pinctrl-single,pins = <
+ J784S4_WKUP_IOPAD(0x09c, PIN_OUTPUT, 0) /* (A36) MCU_MDIO0_MDC */
+ J784S4_WKUP_IOPAD(0x098, PIN_INPUT, 0) /* (B35) MCU_MDIO0_MDIO */
+ >;
+ };
+};
+
&main_uart8 {
status = "okay";
pinctrl-names = "default";
@@ -194,3 +220,27 @@
&main_gpio0 {
status = "okay";
};
+
+&mcu_cpsw {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_cpsw_pins_default>;
+};
+
+&davinci_mdio {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_mdio_pins_default>;
+
+ mcu_phy0: ethernet-phy@0 {
+ reg = <0>;
+ ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
+ ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+ ti,min-output-impedance;
+ };
+};
+
+&mcu_cpsw_port1 {
+ status = "okay";
+ phy-mode = "rgmii-rxid";
+ phy-handle = <&mcu_phy0>;
+};