[PATCH 12/12] riscv: dts: starfive: jh7100-common: Setup pinmux and enable gmac

Cristian Ciocaltea
2023-02-11T03:20:18Z

Add pinmux configuration for the DWMAC found on the JH7100 based boards
and enable the gmac DT node.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
---
.../boot/dts/starfive/jh7100-common.dtsi | 78 +++++++++++++++++++
1 file changed, 78 insertions(+)

diff --git a/arch/riscv/boot/dts/starfive/jh7100-common.dtsi b/arch/riscv/boot/dts/starfive/jh7100-common.dtsi
index b93ce351a90f..9927e7462e9f 100644
--- a/arch/riscv/boot/dts/starfive/jh7100-common.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7100-common.dtsi
@@ -41,7 +41,85 @@ led-ack {
};
};

+&gmac {
+ starfive,gtxclk-dlychain = <4>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&gmac_pins>;
+ status = "okay";
+};
+
&gpio {
+ gmac_pins: gmac-0 {
+ gtxclk-pins {
+ pins = <PAD_FUNC_SHARE(115)>;
+ bias-pull-up;
+ drive-strength = <35>;
+ input-enable;
+ input-schmitt-enable;
+ slew-rate = <0>;
+ };
+ miitxclk-pins {
+ pins = <PAD_FUNC_SHARE(116)>;
+ bias-pull-up;
+ drive-strength = <14>;
+ input-enable;
+ input-schmitt-disable;
+ slew-rate = <0>;
+ };
+ tx-pins {
+ pins = <PAD_FUNC_SHARE(117)>,
+ <PAD_FUNC_SHARE(119)>,
+ <PAD_FUNC_SHARE(120)>,
+ <PAD_FUNC_SHARE(121)>,
+ <PAD_FUNC_SHARE(122)>,
+ <PAD_FUNC_SHARE(123)>,
+ <PAD_FUNC_SHARE(124)>,
+ <PAD_FUNC_SHARE(125)>,
+ <PAD_FUNC_SHARE(126)>;
+ bias-pull-up;
+ drive-strength = <35>;
+ input-disable;
+ input-schmitt-disable;
+ slew-rate = <0>;
+ };
+ rxclk-pins {
+ pins = <PAD_FUNC_SHARE(127)>;
+ bias-pull-up;
+ drive-strength = <14>;
+ input-enable;
+ input-schmitt-disable;
+ slew-rate = <6>;
+ };
+ rxer-pins {
+ pins = <PAD_FUNC_SHARE(129)>;
+ bias-pull-up;
+ drive-strength = <14>;
+ input-enable;
+ input-schmitt-disable;
+ slew-rate = <0>;
+ };
+ rx-pins {
+ pins = <PAD_FUNC_SHARE(128)>,
+ <PAD_FUNC_SHARE(130)>,
+ <PAD_FUNC_SHARE(131)>,
+ <PAD_FUNC_SHARE(132)>,
+ <PAD_FUNC_SHARE(133)>,
+ <PAD_FUNC_SHARE(134)>,
+ <PAD_FUNC_SHARE(135)>,
+ <PAD_FUNC_SHARE(136)>,
+ <PAD_FUNC_SHARE(137)>,
+ <PAD_FUNC_SHARE(138)>,
+ <PAD_FUNC_SHARE(139)>,
+ <PAD_FUNC_SHARE(140)>,
+ <PAD_FUNC_SHARE(141)>;
+ bias-pull-up;
+ drive-strength = <14>;
+ input-enable;
+ input-schmitt-enable;
+ slew-rate = <0>;
+ };
+ };
+
i2c0_pins: i2c0-0 {
i2c-pins {
pinmux = <GPIOMUX(62, GPO_LOW,
--
2.39.1