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Subject[PATCH v2] arm64: dts: qcom: Add Dragonboard 845c
Date
This adds an initial dts for the Dragonboard 845. Supported
functionality includes Debug UART, UFS, USB-C (peripheral), USB-A
(host), microSD-card and Bluetooth.

Initializing the SMMU is clearing the mapping used for the splash screen
framebuffer, which causes the board to reboot. This can be worked around
using:

fastboot oem select-display-panel none

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---

Changes since v1:
- Dropped PCIe as this hasn't landed
- Added adsp_pas and cdsp_pas
- Added regulators for wifi
- Updated LED labels to match 96boards specification

arch/arm64/boot/dts/qcom/Makefile | 1 +
arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 556 +++++++++++++++++++++
2 files changed, 557 insertions(+)
create mode 100644 arch/arm64/boot/dts/qcom/sdm845-db845c.dts

diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 21d548f02d39..b3fe72ff2955 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -7,6 +7,7 @@ dtb-$(CONFIG_ARCH_QCOM) += msm8992-bullhead-rev-101.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8994-angler-rev-101.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8996-mtp.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8998-mtp.dtb
+dtb-$(CONFIG_ARCH_QCOM) += sdm845-db845c.dtb
dtb-$(CONFIG_ARCH_QCOM) += sdm845-mtp.dtb
dtb-$(CONFIG_ARCH_QCOM) += qcs404-evb-1000.dtb
dtb-$(CONFIG_ARCH_QCOM) += qcs404-evb-4000.dtb
diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
new file mode 100644
index 000000000000..0424227f0c96
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
@@ -0,0 +1,556 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
+#include "sdm845.dtsi"
+#include "pm8998.dtsi"
+#include "pmi8998.dtsi"
+
+/ {
+ model = "Thundercomm Dragonboard 845c";
+ compatible = "thundercomm,db845c", "qcom,sdm845";
+
+ aliases {
+ serial0 = &uart9;
+ hsuart0 = &uart6;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ dc12v: dc12v-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "DC12V";
+ regulator-min-microvolt = <12000000>;
+ regulator-max-microvolt = <12000000>;
+ regulator-always-on;
+ };
+
+ lt9611_1v8: lt9611-vdd18-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "LT9611_1V8";
+
+ vin-supply = <&vdc_5v>;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+
+ gpio = <&tlmm 89 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ lt9611_3v3: lt9611-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "LT9611_3V3";
+
+ vin-supply = <&vdc_3v3>;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+
+ // TODO: make it possible to drive same GPIO from two clients
+ // gpio = <&tlmm 89 GPIO_ACTIVE_HIGH>;
+ // enable-active-high;
+ };
+
+ pcie0_1p05v: pcie-0-1p05v-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "PCIE0_1.05V";
+
+ vin-supply = <&vbat>;
+ regulator-min-microvolt = <1050000>;
+ regulator-max-microvolt = <1050000>;
+
+ // TODO: make it possible to drive same GPIO from two clients
+ // gpio = <&tlmm 90 GPIO_ACTIVE_HIGH>;
+ // enable-active-high;
+ };
+
+ pcie0_3p3v_dual: vldo-3v3-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "VLDO_3V3";
+
+ vin-supply = <&vbat>;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+
+ gpio = <&tlmm 90 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie0_pwren_state>;
+ };
+
+ gpio_keys {
+ compatible = "gpio-keys";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ autorepeat;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&vol_up_pin_a>;
+
+ vol-up {
+ label = "Volume Up";
+ linux,code = <KEY_VOLUMEUP>;
+ gpios = <&pm8998_gpio 6 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ user4 {
+ label = "green:user4";
+ gpios = <&pm8998_gpio 13 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "panic-indicator";
+ default-state = "off";
+ };
+
+ wlan {
+ label = "yellow:wlan";
+ gpios = <&pm8998_gpio 9 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "phy0tx";
+ default-state = "off";
+ };
+
+ bt {
+ label = "blue:bt";
+ gpios = <&pm8998_gpio 5 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "bluetooth-power";
+ default-state = "off";
+ };
+ };
+
+ v5p0_hdmiout: v5p0-hdmiout-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "V5P0_HDMIOUT";
+
+ vin-supply = <&vdc_5v>;
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <500000>;
+
+ // TODO: make it possible to drive same GPIO from two clients
+ // gpio = <&tlmm 89 GPIO_ACTIVE_HIGH>;
+ // enable-active-high;
+ };
+
+ vbat: vbat-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "VBAT";
+
+ vin-supply = <&dc12v>;
+ regulator-min-microvolt = <4200000>;
+ regulator-max-microvolt = <4200000>;
+ regulator-always-on;
+ };
+
+ vbat_som: vbat-som-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "VBAT_SOM";
+
+ vin-supply = <&dc12v>;
+ regulator-min-microvolt = <4200000>;
+ regulator-max-microvolt = <4200000>;
+ regulator-always-on;
+ };
+
+ vdc_3v3: vdc-3v3-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "VDC_3V3";
+ vin-supply = <&dc12v>;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ vdc_5v: vdc-5v-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "VDC_5V";
+
+ vin-supply = <&dc12v>;
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <500000>;
+ regulator-always-on;
+ };
+
+ vreg_s4a_1p8: vreg-s4a-1p8 {
+ compatible = "regulator-fixed";
+ regulator-name = "vreg_s4a_1p8";
+
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ vph_pwr: vph-pwr-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "vph_pwr";
+
+ vin-supply = <&vbat_som>;
+ };
+};
+
+&adsp_pas {
+ status = "okay";
+
+ firmware-name = "qcom/db845c/adsp.mdt";
+};
+
+&apps_rsc {
+ pm8998-rpmh-regulators {
+ compatible = "qcom,pm8998-rpmh-regulators";
+ qcom,pmic-id = "a";
+ vdd-s1-supply = <&vph_pwr>;
+ vdd-s2-supply = <&vph_pwr>;
+ vdd-s3-supply = <&vph_pwr>;
+ vdd-s4-supply = <&vph_pwr>;
+ vdd-s5-supply = <&vph_pwr>;
+ vdd-s6-supply = <&vph_pwr>;
+ vdd-s7-supply = <&vph_pwr>;
+ vdd-s8-supply = <&vph_pwr>;
+ vdd-s9-supply = <&vph_pwr>;
+ vdd-s10-supply = <&vph_pwr>;
+ vdd-s11-supply = <&vph_pwr>;
+ vdd-s12-supply = <&vph_pwr>;
+ vdd-s13-supply = <&vph_pwr>;
+ vdd-l1-l27-supply = <&vreg_s7a_1p025>;
+ vdd-l2-l8-l17-supply = <&vreg_s3a_1p35>;
+ vdd-l3-l11-supply = <&vreg_s7a_1p025>;
+ vdd-l4-l5-supply = <&vreg_s7a_1p025>;
+ vdd-l6-supply = <&vph_pwr>;
+ vdd-l7-l12-l14-l15-supply = <&vreg_s5a_2p04>;
+ vdd-l9-supply = <&vreg_bob>;
+ vdd-l10-l23-l25-supply = <&vreg_bob>;
+ vdd-l13-l19-l21-supply = <&vreg_bob>;
+ vdd-l16-l28-supply = <&vreg_bob>;
+ vdd-l18-l22-supply = <&vreg_bob>;
+ vdd-l20-l24-supply = <&vreg_bob>;
+ vdd-l26-supply = <&vreg_s3a_1p35>;
+ vin-lvs-1-2-supply = <&vreg_s4a_1p8>;
+
+ vreg_s3a_1p35: smps3 {
+ regulator-min-microvolt = <1352000>;
+ regulator-max-microvolt = <1352000>;
+ };
+
+ vreg_s5a_2p04: smps5 {
+ regulator-min-microvolt = <1904000>;
+ regulator-max-microvolt = <2040000>;
+ };
+
+ vreg_s7a_1p025: smps7 {
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <1028000>;
+ };
+
+ vreg_l1a_0p875: ldo1 {
+ regulator-min-microvolt = <880000>;
+ regulator-max-microvolt = <880000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l5a_0p8: ldo5 {
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <800000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l12a_1p8: ldo12 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l7a_1p8: ldo7 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l13a_2p95: ldo13 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <2960000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l17a_1p3: ldo17 {
+ regulator-min-microvolt = <1304000>;
+ regulator-max-microvolt = <1304000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l20a_2p95: ldo20 {
+ regulator-min-microvolt = <2960000>;
+ regulator-max-microvolt = <2968000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l21a_2p95: ldo21 {
+ regulator-min-microvolt = <2960000>;
+ regulator-max-microvolt = <2968000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l24a_3p075: ldo24 {
+ regulator-min-microvolt = <3088000>;
+ regulator-max-microvolt = <3088000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l25a_3p3: ldo25 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3312000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l26a_1p2: ldo26 {
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+ };
+
+ pmi8998-rpmh-regulators {
+ compatible = "qcom,pmi8998-rpmh-regulators";
+ qcom,pmic-id = "b";
+
+ vdd-bob-supply = <&vph_pwr>;
+
+ vreg_bob: bob {
+ regulator-min-microvolt = <3312000>;
+ regulator-max-microvolt = <3600000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_AUTO>;
+ regulator-allow-bypass;
+ };
+ };
+};
+
+&cdsp_pas {
+ status = "okay";
+ firmware-name = "qcom/db845c/cdsp.mdt";
+};
+
+&gcc {
+ protected-clocks = <GCC_QSPI_CORE_CLK>,
+ <GCC_QSPI_CORE_CLK_SRC>,
+ <GCC_QSPI_CNOC_PERIPH_AHB_CLK>;
+};
+
+&pm8998_gpio {
+ vol_up_pin_a: vol-up-active {
+ pins = "gpio6";
+ function = "normal";
+ input-enable;
+ bias-pull-up;
+ qcom,drive-strength = <PMIC_GPIO_STRENGTH_NO>;
+ };
+};
+
+&pm8998_pon {
+ resin {
+ compatible = "qcom,pm8941-resin";
+ interrupts = <0x0 0x8 1 IRQ_TYPE_EDGE_BOTH>;
+ debounce = <15625>;
+ bias-pull-up;
+ linux,code = <KEY_VOLUMEDOWN>;
+ };
+};
+
+&qupv3_id_0 {
+ status = "okay";
+};
+
+&qupv3_id_1 {
+ status = "okay";
+};
+
+&sdhc_2 {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdc2_default_state &sdc2_card_det_n>;
+
+ vmmc-supply = <&vreg_l21a_2p95>;
+ vqmmc-supply = <&vreg_l13a_2p95>;
+
+ bus-width = <4>;
+ cd-gpios = <&tlmm 126 GPIO_ACTIVE_LOW>;
+};
+
+&tlmm {
+ pcie0_pwren_state: pcie0-pwren {
+ pins = "gpio90";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ sdc2_default_state: sdc2-default {
+ clk {
+ pins = "sdc2_clk";
+ bias-disable;
+
+ /*
+ * It seems that mmc_test reports errors if drive
+ * strength is not 16 on clk, cmd, and data pins.
+ */
+ drive-strength = <16>;
+ };
+
+ cmd {
+ pins = "sdc2_cmd";
+ bias-pull-up;
+ drive-strength = <10>;
+ };
+
+ data {
+ pins = "sdc2_data";
+ bias-pull-up;
+ drive-strength = <10>;
+ };
+ };
+
+ sdc2_card_det_n: sd-card-det-n {
+ pins = "gpio126";
+ function = "gpio";
+ bias-pull-up;
+ };
+};
+
+&uart6 {
+ status = "okay";
+
+ bluetooth {
+ compatible = "qcom,wcn3990-bt";
+
+ vddio-supply = <&vreg_s4a_1p8>;
+ vddxo-supply = <&vreg_l7a_1p8>;
+ vddrf-supply = <&vreg_l17a_1p3>;
+ vddch0-supply = <&vreg_l25a_3p3>;
+ max-speed = <3200000>;
+ };
+};
+
+&uart9 {
+ status = "okay";
+};
+
+&usb_1 {
+ status = "okay";
+};
+
+&usb_1_dwc3 {
+ dr_mode = "peripheral";
+};
+
+&usb_1_hsphy {
+ status = "okay";
+
+ vdd-supply = <&vreg_l1a_0p875>;
+ vdda-pll-supply = <&vreg_l12a_1p8>;
+ vdda-phy-dpdm-supply = <&vreg_l24a_3p075>;
+
+ qcom,imp-res-offset-value = <8>;
+ qcom,hstx-trim-value = <QUSB2_V2_HSTX_TRIM_21_6_MA>;
+ qcom,preemphasis-level = <QUSB2_V2_PREEMPHASIS_5_PERCENT>;
+ qcom,preemphasis-width = <QUSB2_V2_PREEMPHASIS_WIDTH_HALF_BIT>;
+};
+
+&usb_1_qmpphy {
+ status = "okay";
+
+ vdda-phy-supply = <&vreg_l26a_1p2>;
+ vdda-pll-supply = <&vreg_l1a_0p875>;
+};
+
+&usb_2 {
+ status = "okay";
+};
+
+&usb_2_dwc3 {
+ dr_mode = "host";
+};
+
+&usb_2_hsphy {
+ status = "okay";
+
+ vdd-supply = <&vreg_l1a_0p875>;
+ vdda-pll-supply = <&vreg_l12a_1p8>;
+ vdda-phy-dpdm-supply = <&vreg_l24a_3p075>;
+
+ qcom,imp-res-offset-value = <8>;
+ qcom,hstx-trim-value = <QUSB2_V2_HSTX_TRIM_22_8_MA>;
+};
+
+&usb_2_qmpphy {
+ status = "okay";
+
+ vdda-phy-supply = <&vreg_l26a_1p2>;
+ vdda-pll-supply = <&vreg_l1a_0p875>;
+};
+
+&ufs_mem_hc {
+ status = "okay";
+
+ vcc-supply = <&vreg_l20a_2p95>;
+ vcc-max-microamp = <800000>;
+};
+
+&ufs_mem_phy {
+ status = "okay";
+
+ vdda-phy-supply = <&vreg_l1a_0p875>;
+ vdda-pll-supply = <&vreg_l26a_1p2>;
+};
+
+&wifi {
+ status = "okay";
+
+ vdd-0.8-cx-mx-supply = <&vreg_l5a_0p8>;
+ vdd-1.8-xo-supply = <&vreg_l7a_1p8>;
+ vdd-1.3-rfa-supply = <&vreg_l17a_1p3>;
+ vdd-3.3-ch0-supply = <&vreg_l25a_3p3>;
+};
+
+/* PINCTRL - additions to nodes defined in sdm845.dtsi */
+
+&qup_uart6_default {
+ pinmux {
+ pins = "gpio45", "gpio46", "gpio47", "gpio48";
+ function = "qup6";
+ };
+
+ cts {
+ pins = "gpio45";
+ bias-disable;
+ };
+
+ rts-tx {
+ pins = "gpio46", "gpio47";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ rx {
+ pins = "gpio48";
+ bias-pull-up;
+ };
+};
+
+&qup_uart9_default {
+ pinconf-tx {
+ pins = "gpio4";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ pinconf-rx {
+ pins = "gpio5";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+};
--
2.18.0
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