linux-kernel - [PATCH 08/12] ARM: dts: dragonboard-600c: add pcie support

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Message-Id: <1458762471-9676-1-git-send-email-srinivas.kandagatla@linaro.org>
Date:	Wed, 23 Mar 2016 19:47:51 +0000
From:	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:	Andy Gross <andy.gross@...aro.org>, linux-arm-msm@...r.kernel.org
Cc:	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-soc@...r.kernel.org,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH 08/12] ARM: dts: dragonboard-600c: add pcie support

This patch adds pcie and regulators required to get on board ATL1C
ethernet working.
---
 .../arm/boot/dts/qcom-apq8064-dragonboard-600c.dts | 36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts b/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts
index 5374510..d3e6193 100644
--- a/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts
@@ -20,6 +20,16 @@
 			regulator-type = "voltage";
 			regulator-boot-on;
 		};
+
+		/* on board fixed 3.3v supply */
+		vcc3v3: vcc3v3 {
+			compatible = "regulator-fixed";
+			regulator-name = "VCC3V3";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			regulator-always-on;
+		};
+
 	};
 
 	soc {
@@ -31,6 +41,18 @@
 					bias-disable;
 				};
 			};
+
+			pcie_pins: pcie_pinmux {
+				mux {
+					pins = "gpio27";
+					function = "gpio";
+				};
+				conf {
+					pins = "gpio27";
+					drive-strength = <12>;
+					bias-disable;
+				};
+			};
 		};
 
 		rpm@...000 {
@@ -109,6 +131,10 @@
 					regulator-max-microvolt = <1900000>;
 					bias-pull-down;
 				};
+
+				lvs6 {
+					bias-pull-down;
+				};
 			};
 		};
 
@@ -135,6 +161,16 @@
 			};
 		};
 
+		pci@...00000 {
+			status = "okay";
+			vdda-supply = <&pm8921_s3>;
+			vdda_phy-supply = <&pm8921_lvs6>;
+			vdda_refclk-supply = <&vcc3v3>;
+			pinctrl-0 = <&pcie_pins>;
+			pinctrl-names = "default";
+			perst-gpio = <&tlmm_pinmux 27 GPIO_ACTIVE_LOW>;
+		};
+
 		/* OTG */
 		phy@...00000 {
 			status		= "okay";
-- 
2.5.0