--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Devicetree for the Samsung Galaxy Amp SGH-I407 also known as Kyle.
+ *
+ * The code also refers to "Kyle AT&T" reflecting that this mobile phone
+ * was customized for the AT&T subsidiary Aio Wireless (All In One) and
+ * offered by the company in 2013.
+ */
+
+/dts-v1/;
+#include "ste-db8500.dtsi"
+#include "ste-ab8505.dtsi"
+#include "ste-dbx5x0-pinctrl.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+ model = "Samsung Galaxy Amp (SGH-I407)";
+ compatible = "samsung,kyle", "st-ericsson,u8500";
+
+ chosen {
+ stdout-path = &serial2;
+ };
+
+ /* TI TXS0206 level translator for 2.9 V */
+ sd_level_translator: regulator-gpio {
+ compatible = "regulator-fixed";
+
+ /* GPIO87 EN */
+ gpios = <&gpio2 23 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ regulator-name = "sd-level-translator";
+ regulator-min-microvolt = <2900000>;
+ regulator-max-microvolt = <2900000>;
+ regulator-type = "voltage";
+
+ startup-delay-us = <200>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&sd_level_translator_default>;
+ };
+
+ /* External LDO MIC5366-3.3YMT for eMMC */
+ ldo_3v3_reg: regulator-gpio-ldo-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "en-3v3-fixed-supply";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio6 31 GPIO_ACTIVE_HIGH>;
+ startup-delay-us = <5000>;
+ enable-active-high;
+ pinctrl-names = "default";
+ pinctrl-0 = <&emmc_ldo_en_default_mode>;
+ };
+
+ /*
+ * External Ricoh RP152L010B-TR LCD LDO regulator for the display.
+ * LCD_PWR_EN controls both a 3.0V and 1.8V output.
+ */
+ lcd_3v0_reg: regulator-gpio-lcd-3v0 {
+ compatible = "regulator-fixed";
+ /* Supplied in turn by VBAT */
+ regulator-name = "VREG_LCD_3V0";
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ /* GPIO219 controls this regulator */
+ gpio = <&gpio6 27 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ pinctrl-names = "default";
+ pinctrl-0 = <&lcd_pwr_en_default_mode>;
+ };
+ lcd_1v8_reg: regulator-gpio-lcd-1v8 {
+ compatible = "regulator-fixed";
+ /* Supplied in turn by VBAT */
+ regulator-name = "VREG_LCD_1V8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ /* GPIO219 controls this regulator too */
+ gpio = <&gpio6 27 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ pinctrl-names = "default";
+ pinctrl-0 = <&lcd_pwr_en_default_mode>;
+ };
+
+ wlan_en: regulator-gpio-wlan-en {
+ compatible = "regulator-fixed";
+ regulator-name = "wl-reg-on";
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ startup-delay-us = <200000>;
+ /* GPIO215 WLAN_EN */
+ gpio = <&gpio6 23 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ pinctrl-names = "default";
+ pinctrl-0 = <&wlan_en_default_mode>;
+ };
+
+ vibrator {
+ compatible = "gpio-vibrator";
+ enable-gpios = <&gpio6 3 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&vibrator_default>;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio_keys_default_mode>;
+
+ button-home {
+ linux,code = <KEY_HOME>;
+ label = "HOME";
+ /* GPIO91 */
+ gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
+ };
+ button-volup {
+ linux,code = <KEY_VOLUMEUP>;
+ label = "VOL+";
+ /* GPIO67 */
+ gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
+ };
+ button-voldown {
+ linux,code = <KEY_VOLUMEDOWN>;
+ label = "VOL-";
+ /* GPIO92 */
+ gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ ktd253: backlight {
+ compatible = "kinetic,ktd253";
+ /* GPIO 69 */
+ enable-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
+ /* Default to 13/32 brightness */
+ default-brightness = <13>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio_backlight_default_mode>;
+ };
+
+ /* Richtek RT8515GQW Flash LED Driver IC */
+ flash {
+ compatible = "richtek,rt8515";
+ /* GPIO 140 */
+ enf-gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>;
+ /* GPIO 141 */
+ ent-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
+ /*
+ * RFS is 16 kOhm and RTS is 100 kOhm giving
+ * the flash max current 343mA and torch max
+ * current 55 mA.
+ */
+ richtek,rfs-ohms = <16000>;
+ richtek,rts-ohms = <100000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio_flash_default_mode>;
+
+ led {
+ function = LED_FUNCTION_FLASH;
+ color = <LED_COLOR_ID_WHITE>;
+ flash-max-timeout-us = <250000>;
+ flash-max-microamp = <343750>;
+ led-max-microamp = <55000>;
+ };
+ };
+
+ i2c-gpio-0 {
+ compatible = "i2c-gpio";
+ sda-gpios = <&gpio4 16 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+ scl-gpios = <&gpio4 15 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c_gpio_0_default>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ /* TODO: this should be used by the NCP6914 Camera power management unit */
+ };
+
+ i2c-gpio-1 {
+ compatible = "i2c-gpio";
+ sda-gpios = <&gpio4 24 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+ scl-gpios = <&gpio4 23 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c_gpio_1_default>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ magnetometer@c {
+ compatible = "alps,hscdtd008a";
+ reg = <0x0c>;
+ avdd-supply = <&ab8500_ldo_aux1_reg>;
+ dvdd-supply = <&ab8500_ldo_aux6_reg>;
+ };
+ };
+
+ soc {
+ // External Micro SD slot
+ mmc@80126000 {
+ arm,primecell-periphid = <0x10480180>;
+ max-frequency = <100000000>;
+ bus-width = <4>;
+ cap-sd-highspeed;
+ cap-mmc-highspeed;
+ st,sig-pin-fbclk;
+ full-pwr-cycle;
+ vmmc-supply = <&ab8500_ldo_aux3_reg>;
+ vqmmc-supply = <&sd_level_translator>;
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&mc0_a_1_default>;
+ pinctrl-1 = <&mc0_a_1_sleep>;
+ cd-gpios = <&gpio6 25 GPIO_ACTIVE_LOW>; // GPIO217
+ status = "okay";
+ };
+
+ // WLAN SDIO channel
+ mmc@80118000 {
+ arm,primecell-periphid = <0x10480180>;
+ max-frequency = <50000000>;
+ bus-width = <4>;
+ non-removable;
+ cap-sd-highspeed;
+ vmmc-supply = <&wlan_en>;
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&mc1_a_2_default>;
+ pinctrl-1 = <&mc1_a_2_sleep>;
+ status = "okay";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ wifi@1 {
+ compatible = "brcm,bcm4334-fmac", "brcm,bcm4329-fmac";
+ reg = <1>;
+ /* GPIO216 WL_HOST_WAKE */
+ interrupt-parent = <&gpio6>;
+ interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
+ interrupt-names = "host-wake";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wlan_default_mode>;
+ };
+ };
+
+ /*
+ * eMMC seems to be mostly Samsung KLM4G1YE4C "4YMD1R"
+ */
+ mmc@80005000 {
+ arm,primecell-periphid = <0x10480180>;
+ max-frequency = <100000000>;
+ bus-width = <8>;
+ non-removable;
+ cap-mmc-highspeed;
+ mmc-ddr-1_8v;
+ no-sdio;
+ no-sd;
+ /* From datasheet page 26 figure 9: 300 ms set-up time for 4GB */
+ post-power-on-delay-ms = <300>;
+ vmmc-supply = <&ldo_3v3_reg>;
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&mc2_a_1_default>;
+ pinctrl-1 = <&mc2_a_1_sleep>;
+
+ status = "okay";
+ };
+
+ /* GBF (Bluetooth) UART */
+ uart@80120000 {
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&u0_a_1_default>;
+ pinctrl-1 = <&u0_a_1_sleep>;
+ status = "okay";
+
+ bluetooth {
+ /* BCM4334B0 actually */
+ compatible = "brcm,bcm4330-bt";
+ shutdown-gpios = <&gpio6 30 GPIO_ACTIVE_HIGH>;
+ device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
+ host-wakeup-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&bluetooth_default_mode>;
+ };
+ };
+
+ /* GPF UART */
+ uart@80121000 {
+ status = "okay";
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&u1rxtx_a_1_default &u1ctsrts_a_1_default>;
+ pinctrl-1 = <&u1rxtx_a_1_sleep &u1ctsrts_a_1_sleep>;
+ };
+
+ /* Debugging console UART connected to AB8505 USB */
+ uart@80007000 {
+ status = "okay";
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&u2rxtx_c_1_default>;
+ pinctrl-1 = <&u2rxtx_c_1_sleep>;
+ };
+
+ prcmu@80157000 {
+ ab8505 {
+ ab8500_usb {
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&usb_a_1_default>;
+ pinctrl-1 = <&usb_a_1_sleep>;
+ };
+
+ ab8505-regulators {
+ ab8500_ldo_aux1 {
+ /* Used for VDD for sensors */
+ regulator-name = "AUX1";
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ ab8500_ldo_aux2 {
+ /* Supplies the MMS touchscreen only with 3.3V */
+ regulator-name = "AUX2";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ ab8500_ldo_aux3 {
+ /* Used for voltage for external MMC/SD card */
+ regulator-name = "AUX3";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ ab8500_ldo_aux4 {
+ regulator-name = "AUX4";
+ /* Hammer to 3.3V for the touchscreen */
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ ab8500_ldo_aux5 {
+ regulator-name = "AUX5";
+ /* 1.8V for the touchscreen */
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ ab8500_ldo_aux6 {
+ regulator-name = "AUX6";
+ /* Used by sensors for 1.8 V in R0.1+ */
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ ab8500_ldo_aux8 {
+ /* Unused */
+ regulator-name = "AUX8";
+ };
+ };
+ };
+ };
+
+ /* I2C0 */
+ i2c@80004000 {
+ status = "okay";
+
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&i2c0_a_1_default>;
+ pinctrl-1 = <&i2c0_a_1_sleep>;
+
+ proximity@44 {
+ compatible = "sharp,gp2ap002s00f";
+ clock-frequency = <400000>;
+ reg = <0x44>;
+
+ interrupt-parent = <&gpio4>;
+ interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
+ vdd-supply = <&ab8500_ldo_aux1_reg>;
+ vio-supply = <&ab8500_ldo_aux6_reg>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&gp2ap002_kyle_default>;
+ sharp,proximity-far-hysteresis = /bits/ 8 <0x2f>;
+ sharp,proximity-close-hysteresis = /bits/ 8 <0x0f>;
+ };
+ };
+
+ /* I2C2 */
+ i2c@80128000 {
+ status = "okay";
+
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&i2c2_b_2_default>;
+ pinctrl-1 = <&i2c2_b_2_sleep>;
+
+ accel@18 {
+ compatible = "bosch,bma254";
+ clock-frequency = <400000>;
+ reg = <0x18>;
+
+ mount-matrix = "-1", "0", "0",
+ "0", "-1", "0",
+ "0", "0", "-1";
+ vdd-supply = <&ab8500_ldo_aux1_reg>;
+ vddio-supply = <&ab8500_ldo_aux6_reg>;
+ };
+ };
+
+ /* I2C3 */
+ i2c@80110000 {
+ status = "okay";
+
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&i2c3_c_2_default>;
+ pinctrl-1 = <&i2c3_c_2_sleep>;
+
+ /* Melfas MMS134S touchscreen */
+ touchscreen@48 {
+ compatible = "melfas,mms134s";
+ reg = <0x48>;
+ /* GPIO218 for IRQ */
+ interrupt-parent = <&gpio6>;
+ interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
+ /* AVDD is "analog supply", 2.57-3.47 V */
+ avdd-supply = <&ab8500_ldo_aux2_reg>;
+ /* VDD is "digital supply" 1.71-3.47V */
+ vdd-supply = <&ab8500_ldo_aux5_reg>;
+
+ touchscreen-size-x = <480>;
+ touchscreen-size-y = <800>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&mms134s_kyle_default>;
+ };
+ };
+
+ mcde@a0350000 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&dsi_default_mode>;
+
+ dsi@a0351000 {
+ panel {
+ /*
+ * NT35510-based Hydis HVA40WV1
+ * Apparently some Kyle models can have a NT35512 fitted
+ * here instead. In that case the boot loader needs to
+ * modify this compatible.
+ */
+ compatible = "hydis,hva40wv1", "novatek,nt35510";
+ reg = <0>;
+ /* v_lcd_3v0 2.3-4.8V */
+ vdd-supply = <&lcd_3v0_reg>;
+ /* v_lcd_1v8 1.65-3.3V */
+ vddi-supply = <&lcd_1v8_reg>;
+ /* GPIO 139 */
+ reset-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&display_default_mode>;
+ backlight = <&ktd253>;
+ };
+ };
+ };
+ };
+};
+
+&pinctrl {
+ /*
+ * This extends the MC0_A_1 default config to include
+ * the card detect GPIO217 line.
+ */
+ sdi0 {
+ mc0_a_1_default {
+ default_cfg1 {
+ /* GPIO18, 19 & 20 unused so pull down */
+ ste,config = <&gpio_in_pd>;
+ };
+ default_cfg4 {
+ pins = "GPIO217_AH12"; /* card detect */
+ ste,config = <&gpio_in_pd>;
+ };
+ };
+ };
+
+ mcde {
+ dsi_default_mode: dsi_default {
+ default_mux1 {
+ /* Mux in VSI0 used for DSI TE */
+ function = "lcd";
+ groups = "lcdvsi0_a_1"; /* VSI0 for LCD */
+ };
+ default_cfg1 {
+ pins = "GPIO68_E1"; /* VSI0 */
+ ste,config = <&in_nopull>;
+ };
+ };
+ };
+
+ /* Two GPIO lines used by the display */
+ display {
+ display_default_mode: display_default {
+ kyle_cfg1 {
+ /*
+ * OLED DETECT or check_pba, this appears to be high
+ * on "PBA" which I guess is "prototype board A".
+ */
+ pins = "GPIO93_B7";
+ ste,config = <&gpio_in_nopull>;
+ };
+ kyle_cfg2 {
+ pins = "GPIO139_C9";
+ /*
+ * MIPI_DSI0_RESET_N resets the display, leave high
+ * (de-asserted) so we only assert reset explicitly
+ * from the display driver.
+ */
+ ste,config = <&gpio_out_hi>;
+ };
+ };
+ };
+
+ /* GPIO that enables the LDO regulator for the LCD display */
+ lcd-ldo {
+ lcd_pwr_en_default_mode: lcd_pwr_en_default {
+ /* LCD_PWR_EN on GPIO219 */
+ kyle_cfg1 {
+ pins = "GPIO219_AG10";
+ ste,config = <&gpio_out_hi>;
+ };
+ };
+ };
+
+ backlight {
+ gpio_backlight_default_mode: backlight_default {
+ kyle_cfg1 {
+ pins = "GPIO69_E2"; /* LCD_BL_CTRL */
+ ste,config = <&gpio_out_lo>;
+ };
+ };
+ };
+ flash {
+ gpio_flash_default_mode: flash_default {
+ kyle_cfg1 {
+ pins = "GPIO140_B11", "GPIO141_C12";
+ ste,config = <&gpio_out_lo>;
+ };
+ };
+ };
+ /* GPIO that enables the 2.9V SD card level translator */
+ sd-level-translator {
+ sd_level_translator_default: sd_level_translator_default {
+ /* level shifter on GPIO87 */
+ kyle_cfg1 {
+ pins = "GPIO87_B3";
+ ste,config = <&gpio_out_hi>;
+ };
+ };
+ };
+ /* GPIO that enables the LDO regulator for the eMMC */
+ emmc-ldo {
+ emmc_ldo_en_default_mode: emmc_ldo_default {
+ /* LDO enable on GPIO223 */
+ kyle_cfg1 {
+ pins = "GPIO223_AH9";
+ ste,config = <&gpio_out_hi>;
+ };
+ };
+ };
+ /* GPIO keys */
+ gpio-keys {
+ gpio_keys_default_mode: gpio_keys_default {
+ kyle_cfg1 {
+ pins = "GPIO67_G2", /* VOL UP */
+ "GPIO91_B6", /* HOME */
+ "GPIO92_D6"; /* VOL DOWN */
+ ste,config = <&gpio_in_pu>;
+ };
+ };
+ };
+ /* Interrupt line for light/proximity sensor GP2AP002 */
+ gp2ap002 {
+ gp2ap002_kyle_default: gp2ap002_kyle {
+ kyle_cfg1 {
+ pins = "GPIO146_D13";
+ ste,config = <&gpio_in_nopull>;
+ };
+ };
+ };
+ /* GPIO-based I2C bus for NCP6914 */
+ i2c-gpio-0 {
+ i2c_gpio_0_default: i2c_gpio_0 {
+ kyle_cfg1 {
+ pins = "GPIO143_D12", "GPIO144_B13";
+ ste,config = <&gpio_in_nopull>;
+ };
+ };
+ };
+ /* GPIO-based I2C bus for ALPS HSCD compass */
+ i2c-gpio-1 {
+ i2c_gpio_1_default: i2c_gpio_1 {
+ kyle_cfg1 {
+ pins = "GPIO151_B17", "GPIO152_D16";
+ ste,config = <&gpio_in_nopull>;
+ };
+ };
+ };
+ wlan {
+ wlan_default_mode: wlan_default {
+ kyle_cfg1 {
+ pins = "GPIO216_AG12";
+ ste,config = <&gpio_in_pd>;
+ };
+ };
+ wlan_en_default_mode: wlan_en_default {
+ kyle_cfg2 {
+ pins = "GPIO215_AH13";
+ ste,config = <&gpio_out_lo>;
+ };
+ };
+ };
+ bluetooth {
+ bluetooth_default_mode: bluetooth_default {
+ kyle_cfg1 {
+ pins = "GPIO199_AH23", "GPIO222_AJ9";
+ ste,config = <&gpio_out_lo>;
+ };
+ kyle_cfg2 {
+ pins = "GPIO97_D9";
+ ste,config = <&gpio_in_nopull>;
+ };
+ };
+ };
+ vibrator {
+ vibrator_default: vibrator_default {
+ kyle_cfg1 {
+ pins = "GPIO195_AG28"; /* MOT_EN */
+ ste,config = <&gpio_out_lo>;
+ };
+ };
+ };
+ /* Interrupt line for the Melfas MMS134S touchscreen */
+ touchscreen {
+ mms134s_kyle_default: mms134s_kyle {
+ kyle_cfg1 {
+ pins = "GPIO218_AH11";
+ ste,config = <&gpio_in_nopull>;
+ };
+ };
+ };
+};
+
+&ab8505_gpio {
+ /* Hog a few default settings */
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio_default>;
+
+ gpio {
+ gpio_default: gpio_default {
+ kyle_mux {
+ /* Change unused pins to GPIO mode */
+ function = "gpio";
+ groups = "gpio3_a_1", /* default: SysClkReq4 */
+ "gpio14_a_1"; /* default: PWMOut1 */
+ };
+ kyle_cfg1 {
+ pins = "GPIO11_B17", "GPIO13_D17", "GPIO50_L4";
+ bias-disable;
+ };
+ };
+ };
+};
projects / platform / kernel / linux-starfive.git / commitdiff