The TI J721E EVM base board has TI DP83867 PHY connected to external CPSW
NUSS Port 1 in rgmii-rxid mode.
Hence, add pinmux and Ethernet PHY configuration for TI j721e SoC MCU
Gigabit Ethernet two ports Switch subsystem (CPSW NUSS).
Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
Tested-by: Murali Karicheri <m-karicheri2@xxxxxx>
---
.../dts/ti/k3-j721e-common-proc-board.dts | 43 +++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
index 7a5c3d4adadd..98e5e17e3ff7 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
@@ -8,6 +8,7 @@
#include "k3-j721e-som-p0.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
+#include <dt-bindings/net/ti-dp83867.h>
/ {
chosen {
@@ -128,6 +129,30 @@
J721E_WKUP_IOPAD(0x38, PIN_INPUT, 0) /* (A23) MCU_OSPI1_LBCLKO */
>;
};
+
+ mcu_cpsw_pins_default: mcu_cpsw_pins_default {
+ pinctrl-single,pins = <
+ J721E_WKUP_IOPAD(0x0058, PIN_OUTPUT, 0) /* MCU_RGMII1_TX_CTL */
+ J721E_WKUP_IOPAD(0x005c, PIN_INPUT, 0) /* MCU_RGMII1_RX_CTL */
+ J721E_WKUP_IOPAD(0x0060, PIN_OUTPUT, 0) /* MCU_RGMII1_TD3 */
+ J721E_WKUP_IOPAD(0x0064, PIN_OUTPUT, 0) /* MCU_RGMII1_TD2 */
+ J721E_WKUP_IOPAD(0x0068, PIN_OUTPUT, 0) /* MCU_RGMII1_TD1 */
+ J721E_WKUP_IOPAD(0x006c, PIN_OUTPUT, 0) /* MCU_RGMII1_TD0 */
+ J721E_WKUP_IOPAD(0x0078, PIN_INPUT, 0) /* MCU_RGMII1_RD3 */
+ J721E_WKUP_IOPAD(0x007c, PIN_INPUT, 0) /* MCU_RGMII1_RD2 */
+ J721E_WKUP_IOPAD(0x0080, PIN_INPUT, 0) /* MCU_RGMII1_RD1 */
+ J721E_WKUP_IOPAD(0x0084, PIN_INPUT, 0) /* MCU_RGMII1_RD0 */
+ J721E_WKUP_IOPAD(0x0070, PIN_INPUT, 0) /* MCU_RGMII1_TXC */
+ J721E_WKUP_IOPAD(0x0074, PIN_INPUT, 0) /* MCU_RGMII1_RXC */
+ >;
+ };
+
+ mcu_mdio_pins_default: mcu_mdio1_pins_default {
+ pinctrl-single,pins = <
+ J721E_WKUP_IOPAD(0x008c, PIN_OUTPUT, 0) /* MCU_MDIO0_MDC */
+ J721E_WKUP_IOPAD(0x0088, PIN_INPUT, 0) /* MCU_MDIO0_MDIO */
+ >;
+ };
};
&wkup_uart0 {
@@ -429,3 +454,21 @@
#gpio-cells = <2>;
};
};
+
+&mcu_cpsw {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_cpsw_pins_default &mcu_mdio_pins_default>;
+};
+
+&davinci_mdio {
+ 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>;
+ };
+};
+
+&cpsw_port1 {
+ phy-mode = "rgmii-rxid";
+ phy-handle = <&phy0>;
+};
--
2.17.1
