[linux-next-v1 3/3] arm64: dts: rockchip: Fix ethernet reset node Rock 3A sbc

From: Anand Moon
Date: Fri Nov 11 2022 - 04:43:33 EST


Add support for snps,reset-gpio reset ethernet gpio pins and
drop the mdio reset code.

Signed-off-by: Anand Moon <linux.amoon@xxxxxxxxx>
---
.../boot/dts/rockchip/rk3568-rock-3a.dts | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
index 16fff1ada195..9172cf60b867 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
@@ -258,6 +258,11 @@ &gmac1 {
assigned-clocks = <&cru SCLK_GMAC1_RX_TX>, <&cru SCLK_GMAC1>;
assigned-clock-parents = <&cru SCLK_GMAC1_RGMII_SPEED>, <&gmac1_clkin>;
clock_in_out = "input";
+ snps,reset-gpio = <&gpio3 RK_PB0 GPIO_ACTIVE_LOW>;
+ snps,reset-active-low;
+ /* Reset time is 20ms, 100ms for rtl8211f */
+ snps,reset-delays-us = <0 20000 100000>;
+ phy-supply = <&vcc_3v3>;
phy-handle = <&rgmii_phy1>;
phy-mode = "rgmii";
pinctrl-names = "default";
@@ -267,6 +272,9 @@ &gmac1m1_rx_bus2
&gmac1m1_rgmii_clk
&gmac1m1_clkinout
&gmac1m1_rgmii_bus>;
+
+ tx_delay = <0x4f>;
+ rx_delay = <0x26>;
status = "okay";
};

@@ -583,11 +591,6 @@ &mdio1 {
rgmii_phy1: ethernet-phy@0 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <0x0>;
- pinctrl-names = "default";
- pinctrl-0 = <&eth_phy_rst>;
- reset-assert-us = <20000>;
- reset-deassert-us = <100000>;
- reset-gpios = <&gpio3 RK_PB0 GPIO_ACTIVE_LOW>;
};
};

@@ -625,12 +628,6 @@ vcc_mipi_en: vcc_mipi_en {
};
};

- ethernet {
- eth_phy_rst: eth_phy_rst {
- rockchip,pins = <3 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
- };
- };
-
hym8563 {
hym8563_int: hym8563-int {
rockchip,pins = <0 RK_PD3 RK_FUNC_GPIO &pcfg_pull_up>;
--
2.38.1