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

srinivas.kandagatla
2017-08-14T11:34:36Z

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