mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-02 13:23:35 -04:00
Code Issues Packages Projects Releases Wiki Activity

arm64: dts: qcom: msm8916-acer-a1-724: Add initial device tree

Browse Source 
Acer Iconia Talk S A1-724 is a tablet using the MSM8916 SoC released
in 2014.

Note: The original firmware from Acer can only boot 32-bit kernels.
To boot arm64 kernels it is necessary to flash 64-bit TZ/HYP firmware
with EDL, e.g. taken from the DragonBoard 410c. This works because Acer
didn't set up (firmware) secure boot.

Add a device tree for with initial support for:

- GPIO keys
- pm8916-vibrator
- SDHCI (internal and external storage)
- USB Device Mode
- UART
- WCNSS (WiFi/BT)
- Regulators

Signed-off-by: Lin, Meng-Bo <linmengbo0689@protonmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221123033817.149007-1-linmengbo0689@protonmail.com
This commit is contained in:
Lin, Meng-Bo
2022-11-23 03:39:09 +00:00
committed by Bjorn Andersson
parent 17c073500e
commit 0fbf49b3ea
2 changed files with 218 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm64/boot/dts/qcom/Makefile
View File

@@ -7,6 +7,7 @@ dtb-$(CONFIG_ARCH_QCOM) += ipq6018-cp01-c1.dtb
dtb-$(CONFIG_ARCH_QCOM) += ipq8074-hk01.dtb
dtb-$(CONFIG_ARCH_QCOM) += ipq8074-hk10-c1.dtb
dtb-$(CONFIG_ARCH_QCOM) += ipq8074-hk10-c2.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8916-acer-a1-724.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8916-alcatel-idol347.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8916-asus-z00l.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8916-huawei-g7.dtb

217
arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts Normal file
View File

@@ -0,0 +1,217 @@
// SPDX-License-Identifier: GPL-2.0-only
/dts-v1/;
#include "msm8916-pm8916.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
/*
* NOTE: The original firmware from Acer can only boot 32-bit kernels.
* To boot this device tree using arm64 it is necessary to flash 64-bit
* TZ/HYP firmware (e.g. taken from the DragonBoard 410c).
* See https://wiki.postmarketos.org/wiki/Acer_Iconia_Talk_S_(acer-a1-724)
* for suggested installation instructions.
*/
/ {
model = "Acer Iconia Talk S A1-724";
compatible = "acer,a1-724", "qcom,msm8916";
chassis-type = "tablet";
aliases {
serial0 = &blsp1_uart2;
};
chosen {
stdout-path = "serial0";
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&gpio_keys_default>;
label = "GPIO Buttons";
button-volume-up {
label = "Volume Up";
gpios = <&msmgpio 107 GPIO_ACTIVE_LOW>;
linux,code = <KEY_VOLUMEUP>;
};
};
usb_id: usb-id {
compatible = "linux,extcon-usb-gpio";
id-gpio = <&msmgpio 110 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&usb_id_default>;
};
};
&blsp1_uart2 {
status = "okay";
};
&pm8916_resin {
linux,code = <KEY_VOLUMEDOWN>;
status = "okay";
};
&pm8916_vib {
status = "okay";
};
&pronto {
status = "okay";
};
&sdhc_1 {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&sdc1_clk_on &sdc1_cmd_on &sdc1_data_on>;
pinctrl-1 = <&sdc1_clk_off &sdc1_cmd_off &sdc1_data_off>;
status = "okay";
};
&sdhc_2 {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&sdc2_clk_on &sdc2_cmd_on &sdc2_data_on>;
pinctrl-1 = <&sdc2_clk_off &sdc2_cmd_off &sdc2_data_off>;
cd-gpios = <&msmgpio 38 GPIO_ACTIVE_HIGH>;
status = "okay";
};
&usb {
extcon = <&usb_id>, <&usb_id>;
status = "okay";
};
&usb_hs_phy {
extcon = <&usb_id>;
};
&smd_rpm_regulators {
vdd_l1_l2_l3-supply = <&pm8916_s3>;
vdd_l4_l5_l6-supply = <&pm8916_s4>;
vdd_l7-supply = <&pm8916_s4>;
s3 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1300000>;
};
s4 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <2100000>;
};
l1 {
regulator-min-microvolt = <1225000>;
regulator-max-microvolt = <1225000>;
};
l2 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
};
l4 {
regulator-min-microvolt = <2050000>;
regulator-max-microvolt = <2050000>;
};
l5 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
l6 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
l7 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
l8 {
regulator-min-microvolt = <2850000>;
regulator-max-microvolt = <2900000>;
};
l9 {
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
l10 {
regulator-min-microvolt = <2700000>;
regulator-max-microvolt = <2800000>;
};
l11 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <2950000>;
regulator-system-load = <200000>;
regulator-allow-set-load;
};
l12 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <2950000>;
};
l13 {
regulator-min-microvolt = <3075000>;
regulator-max-microvolt = <3075000>;
};
l14 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
};
l15 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
};
l16 {
regulator-min-microvolt = <2900000>;
regulator-max-microvolt = <2900000>;
};
l17 {
regulator-min-microvolt = <2850000>;
regulator-max-microvolt = <2850000>;
};
l18 {
regulator-min-microvolt = <2700000>;
regulator-max-microvolt = <2700000>;
};
};
&msmgpio {
gpio_keys_default: gpio-keys-default-state {
pins = "gpio107";
function = "gpio";
drive-strength = <2>;
bias-pull-up;
};
usb_id_default: usb-id-default-state {
pins = "gpio110";
function = "gpio";
drive-strength = <8>;
bias-pull-up;
};
};