diff mbox series

[v3] arm64: dts: qcom: Add Dragonboard 845c

Message ID 20190618211945.27431-1-bjorn.andersson@linaro.org
State Accepted
Commit 3f72e2d3e682a48cad535b50c69cdc2f2f23315f
Headers show
Series [v3] arm64: dts: qcom: Add Dragonboard 845c | expand

Commit Message

Bjorn Andersson June 18, 2019, 9:19 p.m. UTC
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

Reviewed-by: Vinod Koul <vkoul@kernel.org>

Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>

Tested-by: Vinod Koul <vkoul@kernel.org>

Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

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

---

Changes since v2:
- Added copyright
- Sorted gpio_keys and leds nodes

 arch/arm64/boot/dts/qcom/Makefile          |   1 +
 arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 557 +++++++++++++++++++++
 2 files changed, 558 insertions(+)
 create mode 100644 arch/arm64/boot/dts/qcom/sdm845-db845c.dts

-- 
2.18.0

Comments

Jeffrey Hugo June 18, 2019, 9:27 p.m. UTC | #1
On Tue, Jun 18, 2019 at 3:21 PM Bjorn Andersson
<bjorn.andersson@linaro.org> wrote:
>

> 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

>

> Reviewed-by: Vinod Koul <vkoul@kernel.org>

> Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>

> Tested-by: Vinod Koul <vkoul@kernel.org>

> Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

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

> ---

>

> Changes since v2:

> - Added copyright

> - Sorted gpio_keys and leds nodes

>

>  arch/arm64/boot/dts/qcom/Makefile          |   1 +

>  arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 557 +++++++++++++++++++++

>  2 files changed, 558 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..71bd717a4251

> --- /dev/null

> +++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts

> @@ -0,0 +1,557 @@

> +// SPDX-License-Identifier: GPL-2.0

> +/*

> + * Copyright (c) 2019, Linaro Ltd.

> + */

> +

> +/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";


Is "thundercomm" a legal vendor prefix?

> +

> +       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;

> +       };

> +

> +       gpio_keys {

> +               compatible = "gpio-keys";

> +               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";

> +               };

> +       };

> +

> +       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>;

> +       };

> +

> +       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

>
diff mbox series

Patch

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..71bd717a4251
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
@@ -0,0 +1,557 @@ 
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019, Linaro Ltd.
+ */
+
+/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;
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		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";
+		};
+	};
+
+	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>;
+	};
+
+	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;
+	};
+};