This patch adds support to enable PCIe for RockPI N10.
Signed-off-by: Jagan Teki jagan@amarulasolutions.com --- 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>;