[PATCH v2 2/4] arm64: dts: imx8mp: Add EQoS RMII pin mux on i.MX8MP DHCOM
Marek Vasut
marex at denx.de
Sat Feb 11 23:37:59 CET 2023
The i.MX8MP DHCOM SoM may come with either KSZ9131RNXI RGMII PHY
or LAN8740Ai RMII PHY on the SoM attached to EQoS MAC. Add pin
mux settings for both options, so that DT overlay can override
these settings on SoM variant with the LAN8740Ai PHY.
Signed-off-by: Marek Vasut <marex at denx.de>
---
Cc: "NXP i.MX U-Boot Team" <uboot-imx at nxp.com>
Cc: Fabio Estevam <festevam at gmail.com>
Cc: Peng Fan <peng.fan at nxp.com>
Cc: Stefano Babic <sbabic at denx.de>
Cc: u-boot at lists.denx.de
---
V2: No change
---
arch/arm/dts/imx8mp-dhcom-som.dtsi | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/arch/arm/dts/imx8mp-dhcom-som.dtsi b/arch/arm/dts/imx8mp-dhcom-som.dtsi
index 304c94557ed..b56607dfb39 100644
--- a/arch/arm/dts/imx8mp-dhcom-som.dtsi
+++ b/arch/arm/dts/imx8mp-dhcom-som.dtsi
@@ -83,7 +83,7 @@
&eqos { /* First ethernet */
pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_eqos>;
+ pinctrl-0 = <&pinctrl_eqos_rgmii>;
phy-handle = <ðphy0g>;
phy-mode = "rgmii-id";
status = "okay";
@@ -664,7 +664,7 @@
>;
};
- pinctrl_eqos: dhcom-eqos-grp { /* RGMII */
+ pinctrl_eqos_rgmii: dhcom-eqos-rgmii-grp { /* RGMII */
fsl,pins = <
MX8MP_IOMUXC_ENET_MDC__ENET_QOS_MDC 0x3
MX8MP_IOMUXC_ENET_MDIO__ENET_QOS_MDIO 0x3
@@ -683,6 +683,22 @@
>;
};
+ pinctrl_eqos_rmii: dhcom-eqos-rmii-grp { /* RMII */
+ fsl,pins = <
+ MX8MP_IOMUXC_ENET_MDC__ENET_QOS_MDC 0x3
+ MX8MP_IOMUXC_ENET_MDIO__ENET_QOS_MDIO 0x3
+ MX8MP_IOMUXC_ENET_TX_CTL__ENET_QOS_RGMII_TX_CTL 0x1f
+ MX8MP_IOMUXC_ENET_TD0__ENET_QOS_RGMII_TD0 0x1f
+ MX8MP_IOMUXC_ENET_TD1__ENET_QOS_RGMII_TD1 0x1f
+ MX8MP_IOMUXC_ENET_RXC__ENET_QOS_RX_ER 0x1f
+ MX8MP_IOMUXC_ENET_RX_CTL__ENET_QOS_RGMII_RX_CTL 0x91
+ MX8MP_IOMUXC_ENET_RD0__ENET_QOS_RGMII_RD0 0x91
+ MX8MP_IOMUXC_ENET_RD1__ENET_QOS_RGMII_RD1 0x91
+ /* Clock */
+ MX8MP_IOMUXC_ENET_TD2__CCM_ENET_QOS_CLOCK_GENERATE_REF_CLK 0x4000001f
+ >;
+ };
+
pinctrl_enet_vio: dhcom-enet-vio-grp {
fsl,pins = <
MX8MP_IOMUXC_SD1_RESET_B__GPIO2_IO10 0x22
--
2.39.1
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