arm64: dts: rockchip: Fix ethernet on production Quartz64-B

The production Quartz64 Model B has compatibility issues when using
rgmii-id mode. Switch to rgmii mode and use the SoC's delays to ensure
full compatibility.

Reported-by: Frank Mankel <frank.mankel@gmail.com>
Fixes: dcc8c66bef79 ("arm64: dts: rockchip: add Pine64 Quartz64-B device tree")
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Frank Mankel <frank.mankel@gmail.com>
Link: https://lore.kernel.org/r/20220606163023.3677147-1-pgwipeout@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts
index 7bdcecc0dfe4b078ba5877df74aabcf3a5782d36..02d5f5a8ca036171f715114212eb9df5b7042d0c 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts
@@ -133,7 +133,7 @@
        assigned-clocks = <&cru SCLK_GMAC1_RX_TX>, <&cru SCLK_GMAC1_RGMII_SPEED>, <&cru SCLK_GMAC1>;
        assigned-clock-parents = <&cru SCLK_GMAC1_RGMII_SPEED>, <&cru SCLK_GMAC1>, <&gmac1_clkin>;
        clock_in_out = "input";
-       phy-mode = "rgmii-id";
+       phy-mode = "rgmii";
        phy-supply = <&vcc_3v3>;
        pinctrl-names = "default";
        pinctrl-0 = <&gmac1m1_miim