[PATCH 1/3] arm64: dts: qcom: msm8996: add support to pcie

[PATCH 1/3] arm64: dts: qcom: msm8996: add support to pcie

[srinivas.kandagatla]

From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

This patch adds support to 3 pcie root complexes found on MSM8996.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
 arch/arm64/boot/dts/qcom/msm8996-pins.dtsi | 195 +++++++++++++++++++++++++++++
 arch/arm64/boot/dts/qcom/msm8996.dtsi      | 166 ++++++++++++++++++++++++
 2 files changed, 361 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8996-pins.dtsi b/arch/arm64/boot/dts/qcom/msm8996-pins.dtsi
index 659940434842..c5c42e94f387 100644
--- a/arch/arm64/boot/dts/qcom/msm8996-pins.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996-pins.dtsi
@@ -300,4 +300,199 @@
 			drive-strength = <2>;	/* 2 MA */
 		};
 	};
+
+	pcie0_clkreq_default: pcie0_clkreq_default {
+		mux {
+			pins = "gpio36";
+			function = "pci_e0";
+		};
+
+		config {
+			pins = "gpio36";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+
+	pcie0_perst_default: pcie0_perst_default {
+		mux {
+			pins = "gpio35";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio35";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+	};
+
+	pcie0_wake_default: pcie0_wake_default {
+		mux {
+			pins = "gpio37";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio37";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+
+	pcie0_clkreq_sleep: pcie0_clkreq_sleep {
+		mux {
+			pins = "gpio36";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio36";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
+	pcie0_wake_sleep: pcie0_wake_sleep {
+		mux {
+			pins = "gpio37";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio37";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
+	pcie1_clkreq_default: pcie1_clkreq_default {
+		mux {
+			pins = "gpio131";
+			function = "pci_e1";
+		};
+
+		config {
+			pins = "gpio131";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+
+	pcie1_perst_default: pcie1_perst_default {
+		mux {
+			pins = "gpio130";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio130";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+	};
+
+	pcie1_wake_default: pcie1_wake_default {
+		mux {
+			pins = "gpio132";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio132";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+	};
+
+	pcie1_clkreq_sleep: pcie1_clkreq_sleep {
+		mux {
+			pins = "gpio131";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio131";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
+	pcie1_wake_sleep: pcie1_wake_sleep {
+		mux {
+			pins = "gpio132";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio132";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
+	pcie2_clkreq_default: pcie2_clkreq_default {
+		mux {
+			pins = "gpio115";
+			function = "pci_e2";
+		};
+
+		config {
+			pins = "gpio115";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+
+	pcie2_perst_default: pcie2_perst_default {
+		mux {
+			pins = "gpio114";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio114";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+	};
+
+	pcie2_wake_default: pcie2_wake_default {
+		mux {
+			pins = "gpio116";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio116";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+	};
+
+	pcie2_clkreq_sleep: pcie2_clkreq_sleep {
+		mux {
+			pins = "gpio115";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio115";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
+	pcie2_wake_sleep: pcie2_wake_sleep {
+		mux {
+			pins = "gpio116";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio116";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
 };
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 887b61c872dd..d158fd16c440 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -819,6 +819,172 @@
 				phy-names = "usb2-phy", "usb3-phy";
 			};
 		};
+
+		agnoc@0 {
+			power-domains = <&gcc AGGRE0_NOC_GDSC>;
+			compatible = "simple-pm-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			pcie0: qcom,pcie@00600000 {
+				compatible = "qcom,pcie-msm8996", "snps,dw-pcie";
+				status = "disabled";
+				power-domains = <&gcc PCIE0_GDSC>;
+				bus-range = <0x00 0xff>;
+				num-lanes = <1>;
+
+				reg = <0x00600000 0x2000>,
+				      <0x0c000000 0xf1d>,
+				      <0x0c000f20 0xa8>,
+				      <0x0c100000 0x100000>;
+				reg-names = "parf", "dbi", "elbi","config";
+
+				phys = <&pciephy_0>;
+				phy-names = "pciephy";
+
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges = <0x01000000 0x0 0x0c200000 0x0c200000 0x0 0x100000>,
+					<0x02000000 0x0 0x0c300000 0x0c300000 0x0 0xd00000>;
+
+				interrupts = <GIC_SPI 405 IRQ_TYPE_NONE>;
+				interrupt-names = "msi";
+				#interrupt-cells = <1>;
+				interrupt-map-mask = <0 0 0 0x7>;
+				interrupt-map = <0 0 0 1 &intc 0 244 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+						<0 0 0 2 &intc 0 245 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+						<0 0 0 3 &intc 0 247 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+						<0 0 0 4 &intc 0 248 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+
+				pinctrl-names = "default", "sleep";
+				pinctrl-0 = <&pcie0_clkreq_default &pcie0_perst_default &pcie0_wake_default>;
+				pinctrl-1 = <&pcie0_clkreq_sleep &pcie0_perst_default &pcie0_wake_sleep>;
+
+
+				vdda-supply = <&pm8994_l28>;
+
+				linux,pci-domain = <0>;
+
+				clocks = <&gcc GCC_PCIE_0_PIPE_CLK>,
+					<&gcc GCC_PCIE_0_AUX_CLK>,
+					<&gcc GCC_PCIE_0_CFG_AHB_CLK>,
+					<&gcc GCC_PCIE_0_MSTR_AXI_CLK>,
+					<&gcc GCC_PCIE_0_SLV_AXI_CLK>;
+
+				clock-names =  "pipe",
+						"aux",
+						"cfg",
+						"bus_master",
+						"bus_slave";
+
+			};
+
+			pcie1: qcom,pcie@00608000 {
+				compatible = "qcom,pcie-msm8996", "snps,dw-pcie";
+				power-domains = <&gcc PCIE1_GDSC>;
+				bus-range = <0x00 0xff>;
+				num-lanes = <1>;
+
+				status  = "disabled";
+
+				reg = <0x00608000 0x2000>,
+				      <0x0d000000 0xf1d>,
+				      <0x0d000f20 0xa8>,
+				      <0x0d100000 0x100000>;
+
+				reg-names = "parf", "dbi", "elbi","config";
+
+				phys = <&pciephy_1>;
+				phy-names = "pciephy";
+
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges = <0x01000000 0x0 0x0d200000 0x0d200000 0x0 0x100000>,
+					<0x02000000 0x0 0x0d300000 0x0d300000 0x0 0xd00000>;
+
+				interrupts = <GIC_SPI 413 IRQ_TYPE_NONE>;
+				interrupt-names = "msi";
+				#interrupt-cells = <1>;
+				interrupt-map-mask = <0 0 0 0x7>;
+				interrupt-map = <0 0 0 1 &intc 0 272 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+						<0 0 0 2 &intc 0 273 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+						<0 0 0 3 &intc 0 274 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+						<0 0 0 4 &intc 0 275 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+
+				pinctrl-names = "default", "sleep";
+				pinctrl-0 = <&pcie1_clkreq_default &pcie1_perst_default &pcie1_wake_default>;
+				pinctrl-1 = <&pcie1_clkreq_sleep &pcie1_perst_default &pcie1_wake_sleep>;
+
+
+				vdda-supply = <&pm8994_l28>;
+				linux,pci-domain = <1>;
+
+				clocks = <&gcc GCC_PCIE_1_PIPE_CLK>,
+					<&gcc GCC_PCIE_1_AUX_CLK>,
+					<&gcc GCC_PCIE_1_CFG_AHB_CLK>,
+					<&gcc GCC_PCIE_1_MSTR_AXI_CLK>,
+					<&gcc GCC_PCIE_1_SLV_AXI_CLK>;
+
+				clock-names =  "pipe",
+						"aux",
+						"cfg",
+						"bus_master",
+						"bus_slave";
+			};
+
+			pcie2: qcom,pcie@00610000 {
+				compatible = "qcom,pcie-msm8996", "snps,dw-pcie";
+				power-domains = <&gcc PCIE2_GDSC>;
+				bus-range = <0x00 0xff>;
+				num-lanes = <1>;
+				status = "disabled";
+				reg = <0x00610000 0x2000>,
+				      <0x0e000000 0xf1d>,
+				      <0x0e000f20 0xa8>,
+				      <0x0e100000 0x100000>;
+
+				reg-names = "parf", "dbi", "elbi","config";
+
+				phys = <&pciephy_2>;
+				phy-names = "pciephy";
+
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges = <0x01000000 0x0 0x0e200000 0x0e200000 0x0 0x100000>,
+					<0x02000000 0x0 0x0e300000 0x0e300000 0x0 0x1d00000>;
+
+				device_type = "pci";
+
+				interrupts = <GIC_SPI 421 IRQ_TYPE_NONE>;
+				interrupt-names = "msi";
+				#interrupt-cells = <1>;
+				interrupt-map-mask = <0 0 0 0x7>;
+				interrupt-map = <0 0 0 1 &intc 0 142 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+						<0 0 0 2 &intc 0 143 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+						<0 0 0 3 &intc 0 144 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+						<0 0 0 4 &intc 0 145 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+
+				pinctrl-names = "default", "sleep";
+				pinctrl-0 = <&pcie2_clkreq_default &pcie2_perst_default &pcie2_wake_default>;
+				pinctrl-1 = <&pcie2_clkreq_sleep &pcie2_perst_default &pcie2_wake_sleep >;
+
+				vdda-supply = <&pm8994_l28>;
+
+				linux,pci-domain = <2>;
+				clocks = <&gcc GCC_PCIE_2_PIPE_CLK>,
+					<&gcc GCC_PCIE_2_AUX_CLK>,
+					<&gcc GCC_PCIE_2_CFG_AHB_CLK>,
+					<&gcc GCC_PCIE_2_MSTR_AXI_CLK>,
+					<&gcc GCC_PCIE_2_SLV_AXI_CLK>;
+
+				clock-names =  "pipe",
+						"aux",
+						"cfg",
+						"bus_master",
+						"bus_slave";
+			};
+		};
 	};
 
 	adsp-pil {
-- 
2.11.0

[PATCH 1/3] arm64: dts: qcom: msm8996: add support to pcie

[srinivas.kandagatla at linaro.org]

From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

This patch adds support to 3 pcie root complexes found on MSM8996.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
 arch/arm64/boot/dts/qcom/msm8996-pins.dtsi | 195 +++++++++++++++++++++++++++++
 arch/arm64/boot/dts/qcom/msm8996.dtsi      | 166 ++++++++++++++++++++++++
 2 files changed, 361 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8996-pins.dtsi b/arch/arm64/boot/dts/qcom/msm8996-pins.dtsi
index 659940434842..c5c42e94f387 100644
--- a/arch/arm64/boot/dts/qcom/msm8996-pins.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996-pins.dtsi
@@ -300,4 +300,199 @@
 			drive-strength = <2>;	/* 2 MA */
 		};
 	};
+
+	pcie0_clkreq_default: pcie0_clkreq_default {
+		mux {
+			pins = "gpio36";
+			function = "pci_e0";
+		};
+
+		config {
+			pins = "gpio36";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+
+	pcie0_perst_default: pcie0_perst_default {
+		mux {
+			pins = "gpio35";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio35";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+	};
+
+	pcie0_wake_default: pcie0_wake_default {
+		mux {
+			pins = "gpio37";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio37";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+
+	pcie0_clkreq_sleep: pcie0_clkreq_sleep {
+		mux {
+			pins = "gpio36";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio36";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
+	pcie0_wake_sleep: pcie0_wake_sleep {
+		mux {
+			pins = "gpio37";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio37";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
+	pcie1_clkreq_default: pcie1_clkreq_default {
+		mux {
+			pins = "gpio131";
+			function = "pci_e1";
+		};
+
+		config {
+			pins = "gpio131";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+
+	pcie1_perst_default: pcie1_perst_default {
+		mux {
+			pins = "gpio130";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio130";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+	};
+
+	pcie1_wake_default: pcie1_wake_default {
+		mux {
+			pins = "gpio132";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio132";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+	};
+
+	pcie1_clkreq_sleep: pcie1_clkreq_sleep {
+		mux {
+			pins = "gpio131";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio131";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
+	pcie1_wake_sleep: pcie1_wake_sleep {
+		mux {
+			pins = "gpio132";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio132";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
+	pcie2_clkreq_default: pcie2_clkreq_default {
+		mux {
+			pins = "gpio115";
+			function = "pci_e2";
+		};
+
+		config {
+			pins = "gpio115";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+
+	pcie2_perst_default: pcie2_perst_default {
+		mux {
+			pins = "gpio114";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio114";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+	};
+
+	pcie2_wake_default: pcie2_wake_default {
+		mux {
+			pins = "gpio116";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio116";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+	};
+
+	pcie2_clkreq_sleep: pcie2_clkreq_sleep {
+		mux {
+			pins = "gpio115";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio115";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
+	pcie2_wake_sleep: pcie2_wake_sleep {
+		mux {
+			pins = "gpio116";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio116";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
 };
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 887b61c872dd..d158fd16c440 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -819,6 +819,172 @@
 				phy-names = "usb2-phy", "usb3-phy";
 			};
 		};
+
+		agnoc at 0 {
+			power-domains = <&gcc AGGRE0_NOC_GDSC>;
+			compatible = "simple-pm-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			pcie0: qcom,pcie at 00600000 {
+				compatible = "qcom,pcie-msm8996", "snps,dw-pcie";
+				status = "disabled";
+				power-domains = <&gcc PCIE0_GDSC>;
+				bus-range = <0x00 0xff>;
+				num-lanes = <1>;
+
+				reg = <0x00600000 0x2000>,
+				      <0x0c000000 0xf1d>,
+				      <0x0c000f20 0xa8>,
+				      <0x0c100000 0x100000>;
+				reg-names = "parf", "dbi", "elbi","config";
+
+				phys = <&pciephy_0>;
+				phy-names = "pciephy";
+
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges = <0x01000000 0x0 0x0c200000 0x0c200000 0x0 0x100000>,
+					<0x02000000 0x0 0x0c300000 0x0c300000 0x0 0xd00000>;
+
+				interrupts = <GIC_SPI 405 IRQ_TYPE_NONE>;
+				interrupt-names = "msi";
+				#interrupt-cells = <1>;
+				interrupt-map-mask = <0 0 0 0x7>;
+				interrupt-map = <0 0 0 1 &intc 0 244 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+						<0 0 0 2 &intc 0 245 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+						<0 0 0 3 &intc 0 247 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+						<0 0 0 4 &intc 0 248 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+
+				pinctrl-names = "default", "sleep";
+				pinctrl-0 = <&pcie0_clkreq_default &pcie0_perst_default &pcie0_wake_default>;
+				pinctrl-1 = <&pcie0_clkreq_sleep &pcie0_perst_default &pcie0_wake_sleep>;
+
+
+				vdda-supply = <&pm8994_l28>;
+
+				linux,pci-domain = <0>;
+
+				clocks = <&gcc GCC_PCIE_0_PIPE_CLK>,
+					<&gcc GCC_PCIE_0_AUX_CLK>,
+					<&gcc GCC_PCIE_0_CFG_AHB_CLK>,
+					<&gcc GCC_PCIE_0_MSTR_AXI_CLK>,
+					<&gcc GCC_PCIE_0_SLV_AXI_CLK>;
+
+				clock-names =  "pipe",
+						"aux",
+						"cfg",
+						"bus_master",
+						"bus_slave";
+
+			};
+
+			pcie1: qcom,pcie at 00608000 {
+				compatible = "qcom,pcie-msm8996", "snps,dw-pcie";
+				power-domains = <&gcc PCIE1_GDSC>;
+				bus-range = <0x00 0xff>;
+				num-lanes = <1>;
+
+				status  = "disabled";
+
+				reg = <0x00608000 0x2000>,
+				      <0x0d000000 0xf1d>,
+				      <0x0d000f20 0xa8>,
+				      <0x0d100000 0x100000>;
+
+				reg-names = "parf", "dbi", "elbi","config";
+
+				phys = <&pciephy_1>;
+				phy-names = "pciephy";
+
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges = <0x01000000 0x0 0x0d200000 0x0d200000 0x0 0x100000>,
+					<0x02000000 0x0 0x0d300000 0x0d300000 0x0 0xd00000>;
+
+				interrupts = <GIC_SPI 413 IRQ_TYPE_NONE>;
+				interrupt-names = "msi";
+				#interrupt-cells = <1>;
+				interrupt-map-mask = <0 0 0 0x7>;
+				interrupt-map = <0 0 0 1 &intc 0 272 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+						<0 0 0 2 &intc 0 273 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+						<0 0 0 3 &intc 0 274 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+						<0 0 0 4 &intc 0 275 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+
+				pinctrl-names = "default", "sleep";
+				pinctrl-0 = <&pcie1_clkreq_default &pcie1_perst_default &pcie1_wake_default>;
+				pinctrl-1 = <&pcie1_clkreq_sleep &pcie1_perst_default &pcie1_wake_sleep>;
+
+
+				vdda-supply = <&pm8994_l28>;
+				linux,pci-domain = <1>;
+
+				clocks = <&gcc GCC_PCIE_1_PIPE_CLK>,
+					<&gcc GCC_PCIE_1_AUX_CLK>,
+					<&gcc GCC_PCIE_1_CFG_AHB_CLK>,
+					<&gcc GCC_PCIE_1_MSTR_AXI_CLK>,
+					<&gcc GCC_PCIE_1_SLV_AXI_CLK>;
+
+				clock-names =  "pipe",
+						"aux",
+						"cfg",
+						"bus_master",
+						"bus_slave";
+			};
+
+			pcie2: qcom,pcie at 00610000 {
+				compatible = "qcom,pcie-msm8996", "snps,dw-pcie";
+				power-domains = <&gcc PCIE2_GDSC>;
+				bus-range = <0x00 0xff>;
+				num-lanes = <1>;
+				status = "disabled";
+				reg = <0x00610000 0x2000>,
+				      <0x0e000000 0xf1d>,
+				      <0x0e000f20 0xa8>,
+				      <0x0e100000 0x100000>;
+
+				reg-names = "parf", "dbi", "elbi","config";
+
+				phys = <&pciephy_2>;
+				phy-names = "pciephy";
+
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges = <0x01000000 0x0 0x0e200000 0x0e200000 0x0 0x100000>,
+					<0x02000000 0x0 0x0e300000 0x0e300000 0x0 0x1d00000>;
+
+				device_type = "pci";
+
+				interrupts = <GIC_SPI 421 IRQ_TYPE_NONE>;
+				interrupt-names = "msi";
+				#interrupt-cells = <1>;
+				interrupt-map-mask = <0 0 0 0x7>;
+				interrupt-map = <0 0 0 1 &intc 0 142 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+						<0 0 0 2 &intc 0 143 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+						<0 0 0 3 &intc 0 144 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+						<0 0 0 4 &intc 0 145 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+
+				pinctrl-names = "default", "sleep";
+				pinctrl-0 = <&pcie2_clkreq_default &pcie2_perst_default &pcie2_wake_default>;
+				pinctrl-1 = <&pcie2_clkreq_sleep &pcie2_perst_default &pcie2_wake_sleep >;
+
+				vdda-supply = <&pm8994_l28>;
+
+				linux,pci-domain = <2>;
+				clocks = <&gcc GCC_PCIE_2_PIPE_CLK>,
+					<&gcc GCC_PCIE_2_AUX_CLK>,
+					<&gcc GCC_PCIE_2_CFG_AHB_CLK>,
+					<&gcc GCC_PCIE_2_MSTR_AXI_CLK>,
+					<&gcc GCC_PCIE_2_SLV_AXI_CLK>;
+
+				clock-names =  "pipe",
+						"aux",
+						"cfg",
+						"bus_master",
+						"bus_slave";
+			};
+		};
 	};
 
 	adsp-pil {
-- 
2.11.0

[PATCH 2/3] arm64: dts: apq8096-db820c: Enable on board 3 pcie root complex

[srinivas.kandagatla]

From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

This patch adds enables 3 instances of root complexes which are
exposed on DB820c board. 3 Instances are terminted as below
PCIE0 => QCA6174
PCIE1 => MINI PCIE CARD
PCIE2 => GBE ETHERNET

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
 arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
index 789f3e87321e..18c61693529e 100644
--- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
@@ -138,6 +138,22 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&usb2_vbus_det_gpio>;
 		};
+
+		agnoc@0 {
+			qcom,pcie@00600000 {
+				perst-gpio = <&msmgpio 35 GPIO_ACTIVE_LOW>;
+			};
+
+			qcom,pcie@00608000 {
+				status = "okay";
+				perst-gpio = <&msmgpio 130 GPIO_ACTIVE_LOW>;
+			};
+
+			qcom,pcie@00610000 {
+				status = "okay";
+				perst-gpio = <&msmgpio 114 GPIO_ACTIVE_LOW>;
+			};
+		};
 	};
 
 
-- 
2.11.0

[PATCH 2/3] arm64: dts: apq8096-db820c: Enable on board 3 pcie root complex

[srinivas.kandagatla at linaro.org]

From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

This patch adds enables 3 instances of root complexes which are
exposed on DB820c board. 3 Instances are terminted as below
PCIE0 => QCA6174
PCIE1 => MINI PCIE CARD
PCIE2 => GBE ETHERNET

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
 arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
index 789f3e87321e..18c61693529e 100644
--- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
@@ -138,6 +138,22 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&usb2_vbus_det_gpio>;
 		};
+
+		agnoc at 0 {
+			qcom,pcie at 00600000 {
+				perst-gpio = <&msmgpio 35 GPIO_ACTIVE_LOW>;
+			};
+
+			qcom,pcie at 00608000 {
+				status = "okay";
+				perst-gpio = <&msmgpio 130 GPIO_ACTIVE_LOW>;
+			};
+
+			qcom,pcie at 00610000 {
+				status = "okay";
+				perst-gpio = <&msmgpio 114 GPIO_ACTIVE_LOW>;
+			};
+		};
 	};
 
 
-- 
2.11.0

[PATCH 3/3] arm64: dts: apq8096-db820c: always enable regulator LS expansion

[srinivas.kandagatla-QSEj5FYQhm4dnm+yROfE0A]

From: Srinivas Kandagatla <srinivas.kandagatla-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>

1.8v regulator on LS expansion should be left as always to comply
with 96boards spec.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
 arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
index 18c61693529e..0c10bbe55317 100644
--- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
@@ -189,9 +189,15 @@
 					regulator-min-microvolt = <1300000>;
 					regulator-max-microvolt = <1300000>;
 				};
+
+				/**
+				 * 1.8v required on LS expansion
+				 * for mezzanine boards
+				 */
 				s4 {
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
+					regulator-always-on;
 				};
 				s5 {
 					regulator-min-microvolt = <2150000>;
-- 
2.11.0

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[PATCH 3/3] arm64: dts: apq8096-db820c: always enable regulator LS expansion

[srinivas.kandagatla]

From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

1.8v regulator on LS expansion should be left as always to comply
with 96boards spec.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
 arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
index 18c61693529e..0c10bbe55317 100644
--- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
@@ -189,9 +189,15 @@
 					regulator-min-microvolt = <1300000>;
 					regulator-max-microvolt = <1300000>;
 				};
+
+				/**
+				 * 1.8v required on LS expansion
+				 * for mezzanine boards
+				 */
 				s4 {
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
+					regulator-always-on;
 				};
 				s5 {
 					regulator-min-microvolt = <2150000>;
-- 
2.11.0

[PATCH 3/3] arm64: dts: apq8096-db820c: always enable regulator LS expansion

[srinivas.kandagatla at linaro.org]

From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

1.8v regulator on LS expansion should be left as always to comply
with 96boards spec.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
 arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
index 18c61693529e..0c10bbe55317 100644
--- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
@@ -189,9 +189,15 @@
 					regulator-min-microvolt = <1300000>;
 					regulator-max-microvolt = <1300000>;
 				};
+
+				/**
+				 * 1.8v required on LS expansion
+				 * for mezzanine boards
+				 */
 				s4 {
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
+					regulator-always-on;
 				};
 				s5 {
 					regulator-min-microvolt = <2150000>;
-- 
2.11.0

Re: [PATCH 3/3] arm64: dts: apq8096-db820c: always enable regulator LS expansion

[Bjorn Andersson]

On Mon 14 Aug 04:34 PDT 2017, srinivas.kandagatla@linaro.org wrote:

> From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> 
> 1.8v regulator on LS expansion should be left as always to comply
> with 96boards spec.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Regards,
Bjorn

> ---
>  arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
> index 18c61693529e..0c10bbe55317 100644
> --- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
> +++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
> @@ -189,9 +189,15 @@
>  					regulator-min-microvolt = <1300000>;
>  					regulator-max-microvolt = <1300000>;
>  				};
> +
> +				/**
> +				 * 1.8v required on LS expansion
> +				 * for mezzanine boards
> +				 */
>  				s4 {
>  					regulator-min-microvolt = <1800000>;
>  					regulator-max-microvolt = <1800000>;
> +					regulator-always-on;
>  				};
>  				s5 {
>  					regulator-min-microvolt = <2150000>;
> -- 
> 2.11.0
> 

[PATCH 3/3] arm64: dts: apq8096-db820c: always enable regulator LS expansion

[Bjorn Andersson]

On Mon 14 Aug 04:34 PDT 2017, srinivas.kandagatla at linaro.org wrote:

> From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> 
> 1.8v regulator on LS expansion should be left as always to comply
> with 96boards spec.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Regards,
Bjorn

> ---
>  arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
> index 18c61693529e..0c10bbe55317 100644
> --- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
> +++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
> @@ -189,9 +189,15 @@
>  					regulator-min-microvolt = <1300000>;
>  					regulator-max-microvolt = <1300000>;
>  				};
> +
> +				/**
> +				 * 1.8v required on LS expansion
> +				 * for mezzanine boards
> +				 */
>  				s4 {
>  					regulator-min-microvolt = <1800000>;
>  					regulator-max-microvolt = <1800000>;
> +					regulator-always-on;
>  				};
>  				s5 {
>  					regulator-min-microvolt = <2150000>;
> -- 
> 2.11.0
> 

Re: [PATCH 1/3] arm64: dts: qcom: msm8996: add support to pcie

[Bjorn Andersson]

On Mon 14 Aug 04:34 PDT 2017, srinivas.kandagatla-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org wrote:

> From: Srinivas Kandagatla <srinivas.kandagatla-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
> 
> This patch adds support to 3 pcie root complexes found on MSM8996.
> 
[..]
> diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
[..]
> +		agnoc@0 {
> +			power-domains = <&gcc AGGRE0_NOC_GDSC>;
> +			compatible = "simple-pm-bus";
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			ranges;

I also need to enable GCC_AGGRE0_SNOC_AXI_CLK, GCC_AGGRE0_CNOC_AHB_CLK
and GCC_SMMU_AGGRE0_AXI_CLK for pcie to actually work. It find the
atl1c, but the board restarts as the interface is brought up.

Regards,
Bjorn

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Re: [PATCH 1/3] arm64: dts: qcom: msm8996: add support to pcie

[Bjorn Andersson]

On Mon 14 Aug 04:34 PDT 2017, srinivas.kandagatla@linaro.org wrote:

> From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> 
> This patch adds support to 3 pcie root complexes found on MSM8996.
> 
[..]
> diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
[..]
> +		agnoc@0 {
> +			power-domains = <&gcc AGGRE0_NOC_GDSC>;
> +			compatible = "simple-pm-bus";
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			ranges;

I also need to enable GCC_AGGRE0_SNOC_AXI_CLK, GCC_AGGRE0_CNOC_AHB_CLK
and GCC_SMMU_AGGRE0_AXI_CLK for pcie to actually work. It find the
atl1c, but the board restarts as the interface is brought up.

Regards,
Bjorn

[PATCH 1/3] arm64: dts: qcom: msm8996: add support to pcie

[Bjorn Andersson]

On Mon 14 Aug 04:34 PDT 2017, srinivas.kandagatla at linaro.org wrote:

> From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> 
> This patch adds support to 3 pcie root complexes found on MSM8996.
> 
[..]
> diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
[..]
> +		agnoc at 0 {
> +			power-domains = <&gcc AGGRE0_NOC_GDSC>;
> +			compatible = "simple-pm-bus";
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			ranges;

I also need to enable GCC_AGGRE0_SNOC_AXI_CLK, GCC_AGGRE0_CNOC_AHB_CLK
and GCC_SMMU_AGGRE0_AXI_CLK for pcie to actually work. It find the
atl1c, but the board restarts as the interface is brought up.

Regards,
Bjorn