openwrt_lede/target/linux/ipq806x/patches-4.4/112-ARM-dts-qcom-add-pcie-nodes-to-ipq806x-platforms.patch

From 5b40516b2f5fb9b2a7d6d3e2e924f12ec9d183a8 Mon Sep 17 00:00:00 2001
From: Mathieu Olivari <mathieu@codeaurora.org>
Date: Tue, 21 Apr 2015 19:01:42 -0700
Subject: [PATCH 8/9] ARM: dts: qcom: add pcie nodes to ipq806x platforms

qcom-pcie driver now supports version 0 of the controller. This change
adds the corresponding entries to the IPQ806x dtsi file and
corresponding platform (AP148).

Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org>
---
 arch/arm/boot/dts/qcom-ipq8064-ap148.dts |  30 ++++++++
 arch/arm/boot/dts/qcom-ipq8064.dtsi      | 124 +++++++++++++++++++++++++++++++
 2 files changed, 154 insertions(+)

--- a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
+++ b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
@@ -116,5 +116,15 @@
 		usb30@1 {
 			status = "ok";
 		};
+
+		pcie0: pci@1b500000 {
+			status = "ok";
+			phy-tx0-term-offset = <7>;
+		};
+
+		pcie1: pci@1b700000 {
+			status = "ok";
+			phy-tx0-term-offset = <7>;
+		};
 	};
 };
--- a/arch/arm/boot/dts/qcom-ipq8064-db149.dts
+++ b/arch/arm/boot/dts/qcom-ipq8064-db149.dts
@@ -128,5 +128,17 @@
 		usb30@1 {
 			status = "ok";
 		};
+
+		pcie0: pci@1b500000 {
+			status = "ok";
+		};
+
+		pcie1: pci@1b700000 {
+			status = "ok";
+		};
+
+		pcie2: pci@1b900000 {
+			status = "ok";
+		};
 	};
 };
--- a/arch/arm/boot/dts/qcom-ipq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq8064.dtsi
@@ -4,6 +4,9 @@
 #include <dt-bindings/clock/qcom,gcc-ipq806x.h>
 #include <dt-bindings/clock/qcom,lcc-ipq806x.h>
 #include <dt-bindings/soc/qcom,gsbi.h>
+#include <dt-bindings/reset/qcom,gcc-ipq806x.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	model = "Qualcomm IPQ8064";
@@ -99,6 +102,34 @@
 			interrupt-controller;
 			#interrupt-cells = <2>;
 			interrupts = <0 16 0x4>;
+
+			pcie0_pins: pcie0_pinmux {
+				mux {
+					pins = "gpio3";
+					function = "pcie1_rst";
+					drive-strength = <2>;
+					bias-disable;
+				};
+			};
+
+			pcie1_pins: pcie1_pinmux {
+				mux {
+					pins = "gpio48";
+					function = "pcie2_rst";
+					drive-strength = <2>;
+					bias-disable;
+				};
+			};
+
+			pcie2_pins: pcie2_pinmux {
+				mux {
+					pins = "gpio63";
+					function = "pcie3_rst";
+					drive-strength = <2>;
+					bias-disable;
+					output-low;
+				};
+			};
 		};
 
 		intc: interrupt-controller@2000000 {
@@ -415,6 +446,144 @@
 				dr_mode = "host";
 			};
 		};
+
+		pcie0: pci@1b500000 {
+			compatible = "qcom,pcie-v0";
+			reg = <0x1b500000 0x1000
+			       0x1b502000 0x80
+			       0x1b600000 0x100
+			       0x0ff00000 0x100000>;
+			reg-names = "dbi", "elbi", "parf", "config";
+			device_type = "pci";
+			linux,pci-domain = <0>;
+			bus-range = <0x00 0xff>;
+			num-lanes = <1>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+
+			ranges = <0x81000000 0 0x0fe00000 0x0fe00000 0 0x00100000   /* downstream I/O */
+				  0x82000000 0 0x08000000 0x08000000 0 0x07e00000>; /* non-prefetchable memory */
+
+			interrupts = <GIC_SPI 35 IRQ_TYPE_NONE>;
+			interrupt-names = "msi";
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 0x7>;
+			interrupt-map = <0 0 0 1 &intc 0 36 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+					<0 0 0 2 &intc 0 37 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+					<0 0 0 3 &intc 0 38 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+					<0 0 0 4 &intc 0 39 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+
+			clocks = <&gcc PCIE_A_CLK>,
+				 <&gcc PCIE_H_CLK>,
+				 <&gcc PCIE_PHY_CLK>;
+			clock-names = "core", "iface", "phy";
+
+			resets = <&gcc PCIE_ACLK_RESET>,
+				 <&gcc PCIE_HCLK_RESET>,
+				 <&gcc PCIE_POR_RESET>,
+				 <&gcc PCIE_PCI_RESET>,
+				 <&gcc PCIE_PHY_RESET>;
+			reset-names = "axi", "ahb", "por", "pci", "phy";
+
+			pinctrl-0 = <&pcie0_pins>;
+			pinctrl-names = "default";
+
+			perst-gpios = <&qcom_pinmux 3 GPIO_ACTIVE_LOW>;
+
+			status = "disabled";
+		};
+
+		pcie1: pci@1b700000 {
+			compatible = "qcom,pcie-v0";
+			reg = <0x1b700000 0x1000
+			       0x1b702000 0x80
+			       0x1b800000 0x100
+			       0x31f00000 0x100000>;
+			reg-names = "dbi", "elbi", "parf", "config";
+			device_type = "pci";
+			linux,pci-domain = <1>;
+			bus-range = <0x00 0xff>;
+			num-lanes = <1>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+
+			ranges = <0x81000000 0 0x31e00000 0x31e00000 0 0x00100000   /* downstream I/O */
+				  0x82000000 0 0x2e000000 0x2e000000 0 0x03e00000>; /* non-prefetchable memory */
+
+			interrupts = <GIC_SPI 57 IRQ_TYPE_NONE>;
+			interrupt-names = "msi";
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 0x7>;
+			interrupt-map = <0 0 0 1 &intc 0 58 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+					<0 0 0 2 &intc 0 59 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+					<0 0 0 3 &intc 0 60 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+					<0 0 0 4 &intc 0 61 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+
+			clocks = <&gcc PCIE_1_A_CLK>,
+				 <&gcc PCIE_1_H_CLK>,
+				 <&gcc PCIE_1_PHY_CLK>;
+			clock-names = "core", "iface", "phy";
+
+			resets = <&gcc PCIE_1_ACLK_RESET>,
+				 <&gcc PCIE_1_HCLK_RESET>,
+				 <&gcc PCIE_1_POR_RESET>,
+				 <&gcc PCIE_1_PCI_RESET>,
+				 <&gcc PCIE_1_PHY_RESET>;
+			reset-names = "axi", "ahb", "por", "pci", "phy";
+
+			pinctrl-0 = <&pcie1_pins>;
+			pinctrl-names = "default";
+
+			perst-gpios = <&qcom_pinmux 48 GPIO_ACTIVE_LOW>;
+
+			status = "disabled";
+		};
+
+		pcie2: pci@1b900000 {
+			compatible = "qcom,pcie-v0";
+			reg = <0x1b900000 0x1000
+			       0x1b902000 0x80
+			       0x1ba00000 0x100
+			       0x35f00000 0x100000>;
+			reg-names = "dbi", "elbi", "parf", "config";
+			device_type = "pci";
+			linux,pci-domain = <2>;
+			bus-range = <0x00 0xff>;
+			num-lanes = <1>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+
+			ranges = <0x81000000 0 0x35e00000 0x35e00000 0 0x00100000   /* downstream I/O */
+				  0x82000000 0 0x32000000 0x32000000 0 0x03e00000>; /* non-prefetchable memory */
+
+			interrupts = <GIC_SPI 71 IRQ_TYPE_NONE>;
+			interrupt-names = "msi";
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 0x7>;
+			interrupt-map = <0 0 0 1 &intc 0 72 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+					<0 0 0 2 &intc 0 73 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+					<0 0 0 3 &intc 0 74 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+					<0 0 0 4 &intc 0 75 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+
+			clocks = <&gcc PCIE_2_A_CLK>,
+				 <&gcc PCIE_2_H_CLK>,
+				 <&gcc PCIE_2_PHY_CLK>;
+			clock-names = "core", "iface", "phy";
+
+			resets = <&gcc PCIE_2_ACLK_RESET>,
+				 <&gcc PCIE_2_HCLK_RESET>,
+				 <&gcc PCIE_2_POR_RESET>,
+				 <&gcc PCIE_2_PCI_RESET>,
+				 <&gcc PCIE_2_PHY_RESET>;
+			reset-names = "axi", "ahb", "por", "pci", "phy";
+
+			pinctrl-0 = <&pcie2_pins>;
+			pinctrl-names = "default";
+
+			perst-gpios = <&qcom_pinmux 63 GPIO_ACTIVE_LOW>;
+
+			status = "disabled";
+		};
 	};
 
 	sfpb_mutex: sfpb-mutex {