arm64: dts: rockchip: Add support for PCIe on helios64

This is enough to make the SATA controller visible:

# lspci
00:00.0 PCI bridge: Fuzhou Rockchip Electronics Co., Ltd RK3399 PCI Express Root Port
01:00.0 SATA controller: JMicron Technology Corp. JMB58x AHCI SATA controller

Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Link: https://lore.kernel.org/r/20210510090932.970447-1-uwe@kleine-koenig.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts b/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts
index 9d4a0885fd121813e8ff5e0e40cee095490e2f2c..037dc5cdc3f3584f7a90bedab506139dec5bf86b 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts
@@ -23,6 +23,16 @@
                mmc1 = &sdhci;
        };
 
+       avdd_0v9_s0: avdd-0v9-s0 {
+               compatible = "regulator-fixed";
+               regulator-name = "avdd_0v9_s0";
+               regulator-always-on;
+               regulator-boot-on;
+               regulator-min-microvolt = <900000>;
+               regulator-max-microvolt = <900000>;
+               vin-supply = <&vcc1v8_sys_s3>;
+       };
+
        avdd_1v8_s0: avdd-1v8-s0 {
                compatible = "regulator-fixed";
                regulator-name = "avdd_1v8_s0";
@@ -72,6 +82,18 @@
                };
        };
 
+       pcie_power: pcie-power {
+               compatible = "regulator-fixed";
+               enable-active-high;
+               gpio = <&gpio1 RK_PD0 GPIO_ACTIVE_HIGH>;
+               pinctrl-0 = <&pcie_pwr>;
+               pinctrl-names = "default";
+               regulator-boot-on;
+               regulator-name = "pcie_power";
+               startup-delay-us = <10000>;
+               vin-supply = <&vcc5v0_perdev>;
+       };
+
        vcc1v8_sys_s0: vcc1v8-sys-s0 {
                compatible = "regulator-fixed";
                regulator-name = "vcc1v8_sys_s0";
@@ -109,6 +131,16 @@
                };
        };
 
+       vcc5v0_perdev: vcc5v0-perdev {
+               compatible = "regulator-fixed";
+               regulator-name = "vcc5v0_perdev";
+               regulator-always-on;
+               regulator-boot-on;
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               vin-supply = <&vcc12v_dcin_bkup>;
+       };
+
        vcc5v0_sys: vcc5v0-sys {
                compatible = "regulator-fixed";
                regulator-name = "vcc5v0_sys";
@@ -331,6 +363,20 @@
        status = "okay";
 };
 
+&pcie_phy {
+       status = "okay";
+};
+
+&pcie0 {
+       num-lanes = <2>;
+       status = "okay";
+
+       vpcie12v-supply = <&vcc12v_dcin>;
+       vpcie3v3-supply = <&pcie_power>;
+       vpcie1v8-supply = <&avdd_1v8_s0>;
+       vpcie0v9-supply = <&avdd_0v9_s0>;
+};
+
 &pinctrl {
        gmac {
                gphy_reset: gphy-reset {
@@ -348,6 +394,13 @@
                };
        };
 
+       pcie {
+               pcie_pwr: pcie-pwr {
+                       rockchip,pins =
+                               <1 RK_PD0 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+       };
+
        pmic {
                pmic_int_l: pmic-int-l {
                        rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>;