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Date: Tue, 18 Jun 2019 15:27:58 -0600
From: Jeffrey Hugo <jeffrey.l.hugo@...il.com>
To: Bjorn Andersson <bjorn.andersson@...aro.org>
Cc: Andy Gross <agross@...nel.org>,
David Brown <david.brown@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
MSM <linux-arm-msm@...r.kernel.org>, devicetree@...r.kernel.org,
lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] arm64: dts: qcom: Add Dragonboard 845c
On Tue, Jun 18, 2019 at 3:21 PM Bjorn Andersson
<bjorn.andersson@...aro.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@...nel.org>
> Reviewed-by: Vivek Gautam <vivek.gautam@...eaurora.org>
> Tested-by: Vinod Koul <vkoul@...nel.org>
> Tested-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.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
>
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