linux-kernel - [PATCH] arm64: dts: rockchip: Add NanoPC T6 PCIe Ethernet support

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Date:   Thu, 10 Aug 2023 00:31:56 +0000
From:   John Clark <inindev@...il.com>
To:     "Rob Herring" <robh+dt@...nel.org>,
        "Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        "Conor Dooley" <conor+dt@...nel.org>,
        "Heiko Stuebner" <heiko@...ech.de>,
        linux-rockchip@...ts.infradead.org
Cc:     "Thomas McKahan" <tmckahan@...gleboardsolutions.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, John Clark <inindev@...il.com>
Subject: [PATCH] arm64: dts: rockchip: Add NanoPC T6 PCIe Ethernet support

Device tree entries for PCIe 2.5G Ethernet NICs

Signed-off-by: John Clark <inindev@...il.com>
---
 .../boot/dts/rockchip/rk3588-nanopc-t6.dts    | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts
index cec126a77111..0bd80e515754 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts
@@ -115,6 +115,16 @@ vcc_1v1_nldo_s3: vcc-1v1-nldo-s3-regulator {
 		vin-supply = <&vcc4v0_sys>;
 	};
 
+	vcc_3v3_pcie20: vcc3v3-pcie20-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_3v3_pcie20";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc_3v3_s3>;
+	};
+
 	vbus5v0_typec: vbus5v0-typec-regulator {
 		compatible = "regulator-fixed";
 		enable-active-high;
@@ -140,6 +150,18 @@ vcc3v3_pcie30: vcc3v3-pcie30-regulator {
 	};
 };
 
+&combphy0_ps {
+	status = "okay";
+};
+
+&combphy1_ps {
+	status = "okay";
+};
+
+&combphy2_psu {
+	status = "okay";
+};
+
 &cpu_l0 {
 	cpu-supply = <&vdd_cpu_lit_s0>;
 };
@@ -391,6 +413,22 @@ i2s0_8ch_p0_0: endpoint {
 	};
 };
 
+&pcie2x1l0 {
+	reset-gpios = <&gpio4 RK_PB3 GPIO_ACTIVE_HIGH>;
+	vpcie3v3-supply = <&vcc_3v3_pcie20>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie2_0_rst>;
+	status = "okay";
+};
+
+&pcie2x1l2 {
+	reset-gpios = <&gpio4 RK_PA4 GPIO_ACTIVE_HIGH>;
+	vpcie3v3-supply = <&vcc_3v3_pcie20>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie2_2_rst>;
+	status = "okay";
+};
+
 &pcie30phy {
 	status = "okay";
 };
@@ -425,6 +463,14 @@ hym8563_int: hym8563-int {
 	};
 
 	pcie {
+		pcie2_0_rst: pcie2-0-rst {
+			rockchip,pins = <4 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		pcie2_2_rst: pcie2-2-rst {
+			rockchip,pins = <4 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
 		pcie_m2_0_pwren: pcie-m20-pwren {
 			rockchip,pins = <2 RK_PC5 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
-- 
2.40.1