Enable the two PCIe controllers found on the Dragonboard845c.
Reviewed-by: Vinod Koul <vkoul@xxxxxxxxxx>
Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
---
Changes since v1:
- Picked up Vinod's R-b
arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 91 ++++++++++++++++++++++
1 file changed, 91 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
index f5a85caff1a3..c314b5d55796 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
@@ -340,6 +340,39 @@
<GCC_QSPI_CNOC_PERIPH_AHB_CLK>;
};
+&pcie0 {
+ status = "okay";
+ perst-gpio = <&tlmm 35 GPIO_ACTIVE_LOW>;
+ enable-gpio = <&tlmm 134 GPIO_ACTIVE_HIGH>;
+
+ vddpe-3v3-supply = <&pcie0_3p3v_dual>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie0_default_state>;
+};
+
+&pcie0_phy {
+ status = "okay";
+
+ vdda-phy-supply = <&vreg_l1a_0p875>;
+ vdda-pll-supply = <&vreg_l26a_1p2>;
+};
+
+&pcie1 {
+ status = "okay";
+ perst-gpio = <&tlmm 102 GPIO_ACTIVE_LOW>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie1_default_state>;
+};
+
+&pcie1_phy {
+ status = "okay";
+
+ vdda-phy-supply = <&vreg_l1a_0p875>;
+ vdda-pll-supply = <&vreg_l26a_1p2>;
+};
+
&pm8998_gpio {
vol_up_pin_a: vol-up-active {
pins = "gpio6";
@@ -382,6 +415,31 @@
};
&tlmm {
+ pcie0_default_state: pcie0-default {
+ clkreq {
+ pins = "gpio36";
+ function = "pci_e0";
+ bias-pull-up;
+ };
+
+ reset-n {
+ pins = "gpio35";
+ function = "gpio";
+
+ drive-strength = <2>;
+ output-low;
+ bias-pull-down;
+ };
+
+ wake-n {
+ pins = "gpio37";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
+
pcie0_pwren_state: pcie0-pwren {
pins = "gpio90";
function = "gpio";
@@ -390,6 +448,39 @@
bias-disable;
};
+ pcie1_default_state: pcie1-default {
+ perst-n {
+ pins = "gpio102";
+ function = "gpio";
+
+ drive-strength = <16>;
+ bias-disable;
+ };
+
+ clkreq {
+ pins = "gpio103";
+ function = "pci_e1";
+ bias-pull-up;
+ };
+
+ wake-n {
+ pins = "gpio11";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ reset-n {
+ pins = "gpio75";
+ function = "gpio";
+
+ drive-strength = <16>;
+ bias-pull-up;
+ output-high;
+ };
+ };
+
sdc2_default_state: sdc2-default {
clk {
pins = "sdc2_clk";
--
2.23.0
