Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Thu, 22 Jun 2023 02:04:45 +0000
To:     linux-kernel@vger.kernel.org
From:   "Lin, Meng-Bo" <linmengbo0689@protonmail.com>
Cc:     Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Stephan Gerhold <stephan@gerhold.net>,
        Nikita Travkin <nikita@trvn.ru>, linux-arm-msm@vger.kernel.org,
        devicetree@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht
Subject: [PATCH 2/8] arm64: dts: qcom: msm8939-samsung-a7: Add initial dts
Message-ID: <20230622020434.65776-1-linmengbo0689@protonmail.com>
In-Reply-To: <20230622020344.65745-1-linmengbo0689@protonmail.com>
References: <20230622020344.65745-1-linmengbo0689@protonmail.com>
Feedback-ID: 40467236:user:proton
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
Precedence: bulk

This dts adds support for Samsung Galaxy A7 smartphone released in 2015.

Add a device tree for A7 with initial support for:

- GPIO keys
- Hall Sensor
- SDHCI (internal and external storage)
- USB Device Mode
- UART (on USB connector via the SM5502 MUIC)
- WCNSS (WiFi/BT)
- Regulators

Signed-off-by: Lin, Meng-Bo <linmengbo0689@protonmail.com>
---
 arch/arm64/boot/dts/qcom/Makefile             |   1 +
 .../boot/dts/qcom/msm8939-samsung-a7.dts      | 163 ++++++++++++++++++
 2 files changed, 164 insertions(+)
 create mode 100644 arch/arm64/boot/dts/qcom/msm8939-samsung-a7.dts

diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/M=
akefile
index 337abc4ceb17..23fd31d4bf5a 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -39,6 +39,7 @@ dtb-$(CONFIG_ARCH_QCOM)=09+=3D msm8916-thwc-uf896.dtb
 dtb-$(CONFIG_ARCH_QCOM)=09+=3D msm8916-thwc-ufi001c.dtb
 dtb-$(CONFIG_ARCH_QCOM)=09+=3D msm8916-wingtech-wt88047.dtb
 dtb-$(CONFIG_ARCH_QCOM)=09+=3D msm8916-yiming-uz801v3.dtb
+dtb-$(CONFIG_ARCH_QCOM)=09+=3D msm8939-samsung-a7.dtb
 dtb-$(CONFIG_ARCH_QCOM)=09+=3D msm8939-sony-xperia-kanuti-tulip.dtb
 dtb-$(CONFIG_ARCH_QCOM)=09+=3D msm8953-motorola-potter.dtb
 dtb-$(CONFIG_ARCH_QCOM)=09+=3D msm8953-xiaomi-daisy.dtb
diff --git a/arch/arm64/boot/dts/qcom/msm8939-samsung-a7.dts b/arch/arm64/b=
oot/dts/qcom/msm8939-samsung-a7.dts
new file mode 100644
index 000000000000..cf2738bc3313
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/msm8939-samsung-a7.dts
@@ -0,0 +1,163 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/dts-v1/;
+
+#include "msm8939-pm8916.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+=09model =3D "Samsung Galaxy A7 (2015)";
+=09compatible =3D "samsung,a7", "qcom,msm8939";
+=09chassis-type =3D "handset";
+
+=09aliases {
+=09=09mmc0 =3D &sdhc_1; /* SDC1 eMMC slot */
+=09=09mmc1 =3D &sdhc_2; /* SDC2 SD card slot */
+=09=09serial0 =3D &blsp_uart2;
+=09};
+
+=09chosen {
+=09=09stdout-path =3D "serial0";
+=09};
+
+=09reserved-memory {
+=09=09/* Additional memory used by Samsung firmware modifications */
+=09=09tz-apps@85500000 {
+=09=09=09reg =3D <0x0 0x85500000 0x0 0xb00000>;
+=09=09=09no-map;
+=09=09};
+=09};
+
+=09gpio-hall-sensor {
+=09=09compatible =3D "gpio-keys";
+
+=09=09pinctrl-0 =3D <&gpio_hall_sensor_default>;
+=09=09pinctrl-names =3D "default";
+
+=09=09label =3D "GPIO Hall Effect Sensor";
+
+=09=09event-hall-sensor {
+=09=09=09label =3D "Hall Effect Sensor";
+=09=09=09gpios =3D <&tlmm 52 GPIO_ACTIVE_LOW>;
+=09=09=09linux,input-type =3D <EV_SW>;
+=09=09=09linux,code =3D <SW_LID>;
+=09=09=09linux,can-disable;
+=09=09};
+=09};
+
+=09gpio-keys {
+=09=09compatible =3D "gpio-keys";
+
+=09=09pinctrl-0 =3D <&gpio_keys_default>;
+=09=09pinctrl-names =3D "default";
+
+=09=09label =3D "GPIO Buttons";
+
+=09=09button-volume-up {
+=09=09=09label =3D "Volume Up";
+=09=09=09gpios =3D <&tlmm 107 GPIO_ACTIVE_LOW>;
+=09=09=09linux,code =3D <KEY_VOLUMEUP>;
+=09=09};
+
+=09=09button-home {
+=09=09=09label =3D "Home";
+=09=09=09gpios =3D <&tlmm 109 GPIO_ACTIVE_LOW>;
+=09=09=09linux,code =3D <KEY_HOMEPAGE>;
+=09=09};
+=09};
+};
+
+&blsp_i2c1 {
+=09status =3D "okay";
+
+=09muic: extcon@25 {
+=09=09compatible =3D "siliconmitus,sm5502-muic";
+=09=09reg =3D <0x25>;
+
+=09=09interrupt-parent =3D <&tlmm>;
+=09=09interrupts =3D <12 IRQ_TYPE_EDGE_FALLING>;
+
+=09=09pinctrl-0 =3D <&muic_int_default>;
+=09=09pinctrl-names =3D "default";
+=09};
+};
+
+&blsp_uart2 {
+=09status =3D "okay";
+};
+
+&pm8916_resin {
+=09linux,code =3D <KEY_VOLUMEDOWN>;
+=09status =3D "okay";
+};
+
+&pm8916_rpm_regulators {
+=09pm8916_l17: l17 {
+=09=09regulator-min-microvolt =3D <2850000>;
+=09=09regulator-max-microvolt =3D <2850000>;
+=09};
+};
+
+&sdhc_1 {
+=09status =3D "okay";
+};
+
+&sdhc_2 {
+=09pinctrl-0 =3D <&sdc2_default &sdc2_cd_default>;
+=09pinctrl-1 =3D <&sdc2_sleep &sdc2_cd_default>;
+=09pinctrl-names =3D "default", "sleep";
+
+=09cd-gpios =3D <&tlmm 38 GPIO_ACTIVE_LOW>;
+
+=09status =3D "okay";
+};
+
+&usb {
+=09extcon =3D <&muic>, <&muic>;
+=09status =3D "okay";
+};
+
+&usb_hs_phy {
+=09extcon =3D <&muic>;
+};
+
+&wcnss {
+=09status =3D "okay";
+};
+
+&wcnss_iris {
+=09compatible =3D "qcom,wcn3660b";
+};
+
+&tlmm {
+=09gpio_hall_sensor_default: gpio-hall-sensor-default-state {
+=09=09pins =3D "gpio52";
+=09=09function =3D "gpio";
+=09=09drive-strength =3D <2>;
+=09=09bias-disable;
+=09};
+
+=09gpio_keys_default: gpio-keys-default-state {
+=09=09pins =3D "gpio107", "gpio109";
+=09=09function =3D "gpio";
+=09=09drive-strength =3D <2>;
+=09=09bias-pull-up;
+=09};
+
+=09muic_int_default: muic-int-default-state {
+=09=09pins =3D "gpio12";
+=09=09function =3D "gpio";
+=09=09drive-strength =3D <2>;
+=09=09bias-disable;
+=09};
+
+=09sdc2_cd_default: sdc2-cd-default-state {
+=09=09pins =3D "gpio38";
+=09=09function =3D "gpio";
+=09=09drive-strength =3D <2>;
+=09=09bias-pull-up;
+=09};
+};
--=20
2.39.2