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Date: Thu, 25 Aug 2022 21:38:36 +0200
From: Frank Wunderlich <linux@...web.de>
To: linux-rockchip@...ts.infradead.org
Cc: Frank Wunderlich <frank-w@...lic-files.de>,
Kishon Vijay Abraham I <kishon@...com>,
Vinod Koul <vkoul@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Heiko Stuebner <heiko@...ech.de>,
Philipp Zabel <p.zabel@...gutronix.de>,
Yifeng Zhao <yifeng.zhao@...k-chips.com>,
Johan Jonker <jbx6244@...il.com>,
Peter Geis <pgwipeout@...il.com>,
Simon Xue <xxm@...k-chips.com>, Liang Chen <cl@...k-chips.com>,
Shawn Lin <shawn.lin@...k-chips.com>,
linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v5 5/5] arm64: dts: rockchip: Add PCIe v3 nodes to BPI-R2-Pro
From: Frank Wunderlich <frank-w@...lic-files.de>
Add Nodes to Bananapi-R2-Pro board to support PCIe v3 and
set PCIe related regulators to always on.
Suggested-by: Peter Geis <pgwipeout@...il.com>
Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
---
v5:
- rebase on 6.0-rc1
- add pinctrl for pcie
- fix ngff pwr_en_h gpio for hw ref 1.1
v4:
- change u8 lane-map to u32 data-lanes
v3:
- squash lane-map over bifurcation property
- add comment which slot is M2 and which one if mPCIe
- fixes from Peter:
- drop regulator-always-on/regulator-boot-on from regulators
- increase startup-delay-us for regulators
- set phy-mode on PCIe3-phy
- add num-lanes to PCIe overrides
- add usb node for to PCIe/m2
- move lane-map from PCIe controller to PCIe-phy
v2:
- underscores in nodenames
- rockchip,bifurcation to vendor unspecific bifurcation
- fix trailing space
---
.../boot/dts/rockchip/rk3568-bpi-r2-pro.dts | 117 ++++++++++++++++++
1 file changed, 117 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
index 93d383b8be87..40b90c052634 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
@@ -86,6 +86,66 @@ vcc5v0_sys: vcc5v0-sys {
vin-supply = <&dc_12v>;
};
+ pcie30_avdd0v9: pcie30-avdd0v9 {
+ compatible = "regulator-fixed";
+ regulator-name = "pcie30_avdd0v9";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <900000>;
+ vin-supply = <&vcc3v3_sys>;
+ };
+
+ pcie30_avdd1v8: pcie30-avdd1v8 {
+ compatible = "regulator-fixed";
+ regulator-name = "pcie30_avdd1v8";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ vin-supply = <&vcc3v3_sys>;
+ };
+
+ /* pi6c pcie clock generator feeds both ports */
+ vcc3v3_pi6c_05: vcc3v3-pi6c-05-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc3v3_pcie";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ enable-active-high;
+ gpios = <&gpio0 RK_PD4 GPIO_ACTIVE_HIGH>;
+ startup-delay-us = <200000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ /* actually fed by vcc3v3_sys, dependent on pi6c clock generator */
+ vcc3v3_minipcie: vcc3v3-minipcie-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc3v3_minipcie";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ enable-active-high;
+ gpio = <&gpio0 RK_PC6 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&minipcie_enable_h>;
+ startup-delay-us = <50000>;
+ vin-supply = <&vcc3v3_pi6c_05>;
+ };
+
+ /* actually fed by vcc3v3_sys, dependent on pi6c clock generator */
+ vcc3v3_ngff: vcc3v3-ngff-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc3v3_ngff";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ enable-active-high;
+ gpio = <&gpio0 RK_PB7 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&ngffpcie_enable_h>;
+ startup-delay-us = <50000>;
+ vin-supply = <&vcc3v3_pi6c_05>;
+ };
+
vcc5v0_usb: vcc5v0_usb {
compatible = "regulator-fixed";
regulator-name = "vcc5v0_usb";
@@ -513,6 +573,32 @@ rgmii_phy1: ethernet-phy@0 {
};
};
+&pcie30phy {
+ data-lanes = <1 2>;
+ phy-supply = <&vcc3v3_pi6c_05>;
+ status = "okay";
+};
+
+&pcie3x1 {
+ /* M.2 slot */
+ num-lanes = <1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&ngffpcie_reset_h>;
+ reset-gpios = <&gpio3 RK_PA1 GPIO_ACTIVE_HIGH>;
+ vpcie3v3-supply = <&vcc3v3_ngff>;
+ status = "okay";
+};
+
+&pcie3x2 {
+ /* mPCIe slot */
+ num-lanes = <1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&minipcie_reset_h>;
+ reset-gpios = <&gpio2 RK_PD6 GPIO_ACTIVE_HIGH>;
+ vpcie3v3-supply = <&vcc3v3_minipcie>;
+ status = "okay";
+};
+
&pinctrl {
leds {
blue_led_pin: blue-led-pin {
@@ -529,6 +615,24 @@ hym8563_int: hym8563-int {
};
};
+ pcie {
+ minipcie_enable_h: minipcie-enable-h {
+ rockchip,pins = <0 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none_drv_level_5>;
+ };
+
+ ngffpcie_enable_h: ngffpcie-enable-h {
+ rockchip,pins = <0 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none_drv_level_5>;
+ };
+
+ minipcie_reset_h: minipcie-reset-h {
+ rockchip,pins = <2 RK_PD6 RK_FUNC_GPIO &pcfg_pull_none_drv_level_5>;
+ };
+
+ ngffpcie_reset_h: ngffpcie-reset-h {
+ rockchip,pins = <3 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none_drv_level_5>;
+ };
+ };
+
pmic {
pmic_int: pmic_int {
rockchip,pins =
@@ -708,6 +812,19 @@ &usb2phy0_otg {
status = "okay";
};
+&usb2phy1 {
+ /* USB for PCIe/M2 */
+ status = "okay";
+};
+
+&usb2phy1_host {
+ status = "okay";
+};
+
+&usb2phy1_otg {
+ status = "okay";
+};
+
&vop {
assigned-clocks = <&cru DCLK_VOP0>, <&cru DCLK_VOP1>;
assigned-clock-parents = <&pmucru PLL_HPLL>, <&cru PLL_VPLL>;
--
2.34.1
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