On 2020/7/21 下午11:24, Jagan Teki wrote:
This patch adds support to enable PCIe for RockPI N10.
Signed-off-by: Jagan Teki jagan@amarulasolutions.com
Reviewed-by: Kever Yang kever.yang@rock-chips.com
Thanks, - Kever
Changes for v2:
none
arch/arm/dts/rk3399pro-vmarc-som.dtsi | 40 +++++++++++++++++++++++++-- 1 file changed, 38 insertions(+), 2 deletions(-)
diff --git a/arch/arm/dts/rk3399pro-vmarc-som.dtsi b/arch/arm/dts/rk3399pro-vmarc-som.dtsi index ebccc4a153..5d087be04a 100644 --- a/arch/arm/dts/rk3399pro-vmarc-som.dtsi +++ b/arch/arm/dts/rk3399pro-vmarc-som.dtsi @@ -11,6 +11,18 @@
/ { compatible = "vamrs,rk3399pro-vmarc-som", "rockchip,rk3399pro";
vcc3v3_pcie: vcc-pcie-regulator {
compatible = "regulator-fixed";enable-active-high;gpio = <&gpio4 RK_PD4 GPIO_ACTIVE_HIGH>;pinctrl-names = "default";pinctrl-0 = <&pcie_pwr>;regulator-name = "vcc3v3_pcie";regulator-always-on;regulator-boot-on;vin-supply = <&vcc5v0_sys>;}; };
&cpu_l0 {
@@ -142,7 +154,8 @@ regulator-min-microvolt = <900000>; regulator-max-microvolt = <900000>; regulator-state-mem {
regulator-off-in-suspend;
regulator-on-in-suspend;regulator-suspend-microvolt = <900000>; }; };@@ -177,7 +190,8 @@ regulator-min-microvolt = <1850000>; regulator-max-microvolt = <1850000>; regulator-state-mem {
regulator-off-in-suspend;
regulator-on-in-suspend;regulator-suspend-microvolt = <1850000>; }; };@@ -304,6 +318,22 @@ sdmmc-supply = <&vccio_sd>; };
+&pcie_phy {
- status = "okay";
+};
+&pcie0 {
- ep-gpios = <&gpio0 RK_PB4 GPIO_ACTIVE_HIGH>;
- max-link-speed = <2>;
- num-lanes = <4>;
- pinctrl-0 = <&pcie_clkreqnb_cpm>;
- pinctrl-names = "default";
- vpcie0v9-supply = <&vcca_0v9>; /* VCC_0V9_S0 */
- vpcie1v8-supply = <&vcca_1v8>; /* VCC_1V8_S0 */
- vpcie3v3-supply = <&vcc3v3_pcie>;
- status = "okay";
+};
- &pinctrl { hym8563 { hym8563_int: hym8563-int {
@@ -311,6 +341,12 @@ }; };
- pcie {
pcie_pwr: pcie-pwr {rockchip,pins = <4 RK_PD4 RK_FUNC_GPIO &pcfg_pull_up>;};- };
- pmic { pmic_int_l: pmic-int-l { rockchip,pins = <1 RK_PC2 0 &pcfg_pull_up>;