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

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Date:   Sat, 11 Feb 2023 05:18:21 +0200
From:   Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
To:     Lee Jones <lee@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Emil Renner Berthing <kernel@...il.dk>,
        Conor Dooley <conor@...nel.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Richard Cochran <richardcochran@...il.com>,
        Sagar Kadam <sagar.kadam@...ive.com>,
        Yanhong Wang <yanhong.wang@...rfivetech.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, kernel@...labora.com
Subject: [PATCH 12/12] riscv: dts: starfive: jh7100-common: Setup pinmux and enable gmac

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@...labora.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