linux-kernel - [PATCH] arm64: dts: ti: k3-am69-sk: Enable MCU CPSW2G

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Message-Id: <20230605174202.159278-1-sabiya.d@ti.com>
Date:   Mon,  5 Jun 2023 23:12:02 +0530
From:   sabiya.d@...tralsolutions.com
To:     nm@...com, vigneshr@...com, kristo@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, afd@...com
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, sabiya.d@...tralsolutions.com,
        Dasnavis Sabiya <sabiya.d@...com>
Subject: [PATCH] arm64: dts: ti: k3-am69-sk: Enable MCU CPSW2G

From: Dasnavis Sabiya <sabiya.d@...com>

Add device tree support to enable MCU CPSW for AM69 SK

Signed-off-by: Dasnavis Sabiya <sabiya.d@...com>
---
 arch/arm64/boot/dts/ti/k3-am69-sk.dts | 50 +++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
index bc49ba534790..4b7d9280d76f 100644
--- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
@@ -104,6 +104,32 @@ vdd_sd_dv: regulator-tlv71033 {
 	};
 };
 
+&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_pmx0 {
 	main_uart8_pins_default: main-uart8-pins-default {
 		pinctrl-single,pins = <
@@ -178,3 +204,27 @@ &main_sdhci1 {
 &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>;
+};
-- 
2.25.1