Re: [PATCH 2/2] arm64: dts: qcom: Add X1E001DE Snapdragon Devkit for Windows

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On 9/11/24 13:25, Dmitry Baryshkov wrote:
On Wed, Sep 11, 2024 at 01:03:37PM GMT, Sibi Sankar wrote:
Add initial support for x1e001de devkit platform. This includes:

-DSPs
-Ethernet (RTL8125BG) over the pcie 5 instance.
-NVme
-Wifi
-USB-C ports


Hey Dmitry,

Thanks for taking time to review the series!

Link: https://www.qualcomm.com/news/releases/2024/05/qualcomm-accelerates-development-for-copilot--pcs-with-snapdrago
Signed-off-by: Sibi Sankar <quic_sibis@xxxxxxxxxxx>
---
  arch/arm64/boot/dts/qcom/Makefile            |   1 +
  arch/arm64/boot/dts/qcom/x1e001de-devkit.dts | 813 +++++++++++++++++++
  2 files changed, 814 insertions(+)
  create mode 100644 arch/arm64/boot/dts/qcom/x1e001de-devkit.dts


diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index ae002c7cf126..1cbc7b91389d 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -268,6 +268,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sm8650-hdk-display-card.dtb
  dtb-$(CONFIG_ARCH_QCOM)	+= sm8650-hdk.dtb
  dtb-$(CONFIG_ARCH_QCOM)	+= sm8650-mtp.dtb
  dtb-$(CONFIG_ARCH_QCOM)	+= sm8650-qrd.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= x1e001de-devkit.dtb
  dtb-$(CONFIG_ARCH_QCOM)	+= x1e78100-lenovo-thinkpad-t14s.dtb
  dtb-$(CONFIG_ARCH_QCOM)	+= x1e80100-asus-vivobook-s15.dtb
  dtb-$(CONFIG_ARCH_QCOM)	+= x1e80100-crd.dtb
diff --git a/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts b/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts
new file mode 100644
index 000000000000..07b4e60d9b66
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts
@@ -0,0 +1,813 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
+
+#include "x1e80100.dtsi"
+#include "x1e80100-pmics.dtsi"
+
+/ {
+	model = "Qualcomm Technologies, Inc. X1E001DE Snapdragon Devkit for Windows";
+	compatible = "qcom,x1e001de-devkit", "qcom,x1e001de", "qcom,x1e80100";
+
+	aliases {
+		serial0 = &uart21;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	pmic-glink {
+		compatible = "qcom,x1e80100-pmic-glink",
+			     "qcom,sm8550-pmic-glink",
+			     "qcom,pmic-glink";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		orientation-gpios = <&tlmm 121 GPIO_ACTIVE_HIGH>,
+				    <&tlmm 123 GPIO_ACTIVE_HIGH>,
+				    <&tlmm 125 GPIO_ACTIVE_HIGH>;
+
+		/* Back panel port closer to the RJ45 connector */
+		connector@0 {
+			compatible = "usb-c-connector";
+			reg = <0>;
+			power-role = "dual";
+			data-role = "dual";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+
+					pmic_glink_ss0_hs_in: endpoint {
+						remote-endpoint = <&usb_1_ss0_dwc3_hs>;
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+
+					pmic_glink_ss0_ss_in: endpoint {
+						remote-endpoint = <&usb_1_ss0_qmpphy_out>;
+					};
+				};
+			};
+		};
+
+		/* Back panel port closer to the audio jack */
+		connector@1 {
+			compatible = "usb-c-connector";
+			reg = <1>;
+			power-role = "dual";
+			data-role = "dual";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+
+					pmic_glink_ss1_hs_in: endpoint {
+						remote-endpoint = <&usb_1_ss1_dwc3_hs>;
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+
+					pmic_glink_ss1_ss_in: endpoint {
+						remote-endpoint = <&usb_1_ss1_qmpphy_out>;
+					};
+				};
+			};
+		};
+
+		/* Front panel port */
+		connector@2 {
+			compatible = "usb-c-connector";
+			reg = <2>;
+			power-role = "dual";
+			data-role = "dual";
+

[trimmed]

+
+&pcie5 {
+	perst-gpios = <&tlmm 149 GPIO_ACTIVE_LOW>;
+	wake-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>;
+
+	vddpe-3v3-supply = <&vreg_wwan>;

Please use pwrseq instead.

+
+	pinctrl-0 = <&pcie5_default>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+
+&pcie5_phy {
+	vdda-phy-supply = <&vreg_l3i_0p8>;
+	vdda-pll-supply = <&vreg_l3e_1p2>;
+
+	status = "okay";
+};
+
+&pcie6a {
+	perst-gpios = <&tlmm 152 GPIO_ACTIVE_LOW>;
+	wake-gpios = <&tlmm 154 GPIO_ACTIVE_LOW>;
+
+	vddpe-3v3-supply = <&vreg_nvme>;

Please use pwrseq instead.

+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie6a_default>;
+
+	status = "okay";
+};
+
+&pcie6a_phy {
+	vdda-phy-supply = <&vreg_l1d_0p8>;
+	vdda-pll-supply = <&vreg_l2j_1p2>;
+
+	status = "okay";
+};
+
+&qupv3_0 {
+	status = "okay";
+};
+
+&qupv3_1 {
+	status = "okay";
+};
+
+&qupv3_2 {
+	status = "okay";
+};
+
+&remoteproc_adsp {
+	firmware-name = "qcom/x1e80100/devkit/qcadsp8380.mbn",
+			"qcom/x1e80100/devkit/adsp_dtbs.elf";

qcom/SoC/Vendor/Device/foo.ext. Here the Vendor part is missing.

+
+	status = "okay";
+};
+
+&remoteproc_cdsp {
+	firmware-name = "qcom/x1e80100/devkit/qccdsp8380.mbn",
+			"qcom/x1e80100/devkit/cdsp_dtbs.elf";
+
+	status = "okay";
+};
+
+&smb2360_0_eusb2_repeater {
+	vdd18-supply = <&vreg_l3d_1p8>;
+	vdd3-supply = <&vreg_l2b_3p0>;
+};
+
+&smb2360_1_eusb2_repeater {
+	vdd18-supply = <&vreg_l3d_1p8>;
+	vdd3-supply = <&vreg_l14b_3p0>;
+};
+
+&smb2360_2 {
+	status = "okay";
+};
+
+&smb2360_2_eusb2_repeater {
+	vdd18-supply = <&vreg_l3d_1p8>;
+	vdd3-supply = <&vreg_l8b_3p0>;
+};
+
+&tlmm {
+	gpio-reserved-ranges = <34 2>, /* Unused */
+			       <44 4>, /* SPI (TPM) */
+			       <238 1>; /* UFS Reset */

A comment would be nice. Usually the GPIOs are reserved because
accessing them is forbidden by TZ / hyp. Is this the case for the Unused
GPIOs? And why is the UFS reset marked as reserved?

I went back and figured out that 34,35 and 238 are no longer reserved.
It might be the case for other devices as well. I'll fix that.


+
+	nvme_reg_en: nvme-reg-en-state {
+		pins = "gpio18";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+	};
+
+	pcie4_default: pcie4-default-state {
+		clkreq-n-pins {
+			pins = "gpio147";
+			function = "pcie4_clk";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+
+		perst-n-pins {
+			pins = "gpio146";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-disable;
+		};
+
+		wake-n-pins {
+			pins = "gpio148";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+
+	pcie5_default: pcie5-default-state {
+		clkreq-n-pins {
+			pins = "gpio150";
+			function = "pcie5_clk";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+
+		perst-n-pins {
+			pins = "gpio149";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-disable;
+		};
+
+		wake-n-pins {
+			pins = "gpio151";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+
+	pcie6a_default: pcie6a-default-state {
+		clkreq-n-pins {
+			pins = "gpio153";
+			function = "pcie6a_clk";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+
+		perst-n-pins {
+			pins = "gpio152";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-disable;
+		};
+
+		wake-n-pins {
+			pins = "gpio154";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+
+	wwan_sw_en: wwan-sw-en-state {
+		pins = "gpio221";
+		function = "gpio";
+		drive-strength = <4>;
+		bias-disable;
+	};
+};
+
+&uart21 {
+	compatible = "qcom,geni-debug-uart";
+	status = "okay";
+};
+
+&usb_1_ss0_hsphy {
+	vdd-supply = <&vreg_l3j_0p8>;
+	vdda12-supply = <&vreg_l2j_1p2>;
+
+	phys = <&smb2360_0_eusb2_repeater>;
+
+	status = "okay";
+};
+
+&usb_1_ss0_qmpphy {
+	vdda-phy-supply = <&vreg_l3e_1p2>;
+	vdda-pll-supply = <&vreg_l1j_0p8>;
+
+	status = "okay";
+};
+
+&usb_1_ss0 {
+	status = "okay";
+};
+
+&usb_1_ss0_dwc3 {
+	dr_mode = "host";
+};
+
+&usb_1_ss0_dwc3_hs {
+	remote-endpoint = <&pmic_glink_ss0_hs_in>;
+};
+
+&usb_1_ss0_qmpphy_out {
+	remote-endpoint = <&pmic_glink_ss0_ss_in>;
+};
+
+&usb_1_ss1_hsphy {
+	vdd-supply = <&vreg_l3j_0p8>;
+	vdda12-supply = <&vreg_l2j_1p2>;
+
+	phys = <&smb2360_1_eusb2_repeater>;
+
+	status = "okay";
+};
+
+&usb_1_ss1_qmpphy {
+	vdda-phy-supply = <&vreg_l3e_1p2>;
+	vdda-pll-supply = <&vreg_l2d_0p9>;
+
+	status = "okay";
+};
+
+&usb_1_ss1 {
+	status = "okay";
+};
+
+&usb_1_ss1_dwc3 {
+	dr_mode = "host";

All three USB-C connectors have data-role set to "dual". So this needs a
comment.

Docs show that only port0 supports DRD. Will fix it in v2.

-Sibi


+};
+
+&usb_1_ss1_dwc3_hs {
+	remote-endpoint = <&pmic_glink_ss1_hs_in>;
+};
+
+&usb_1_ss1_qmpphy_out {
+	remote-endpoint = <&pmic_glink_ss1_ss_in>;
+};
+
+&usb_1_ss2_hsphy {
+	vdd-supply = <&vreg_l3j_0p8>;
+	vdda12-supply = <&vreg_l2j_1p2>;
+
+	phys = <&smb2360_2_eusb2_repeater>;
+
+	status = "okay";
+};
+
+&usb_1_ss2_qmpphy {
+	vdda-phy-supply = <&vreg_l3e_1p2>;
+	vdda-pll-supply = <&vreg_l2d_0p9>;
+
+	status = "okay";
+};
+
+&usb_1_ss2 {
+	status = "okay";
+};
+
+&usb_1_ss2_dwc3 {
+	dr_mode = "host";
+};
+
+&usb_1_ss2_dwc3_hs {
+	remote-endpoint = <&pmic_glink_ss2_hs_in>;
+};
+
+&usb_1_ss2_qmpphy_out {
+	remote-endpoint = <&pmic_glink_ss2_ss_in>;
+};
--
2.34.1






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