ARM: dts: ux500: Add device tree for Samsung Gavini
authorLinus Walleij <linus.walleij@linaro.org>
Wed, 31 Mar 2021 09:18:09 +0000 (11:18 +0200)
committerLinus Walleij <linus.walleij@linaro.org>
Fri, 30 Jul 2021 09:17:59 +0000 (11:17 +0200)
This adds a device tree for the Samsung Galaxy Beam GT-I8530
also known as Gavini.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
arch/arm/boot/dts/Makefile
arch/arm/boot/dts/ste-dbx5x0-pinctrl.dtsi
arch/arm/boot/dts/ste-ux500-samsung-gavini.dts [new file with mode: 0644]

index 863347b6b65e46278a4dca16235f9cb367e2becc..a556061b1970f1af2ae466c5e810cee36733a450 100644 (file)
@@ -1300,6 +1300,7 @@ dtb-$(CONFIG_ARCH_U8500) += \
        ste-href520-tvk.dtb \
        ste-ux500-samsung-golden.dtb \
        ste-ux500-samsung-janice.dtb \
+       ste-ux500-samsung-gavini.dtb \
        ste-ux500-samsung-skomer.dtb
 dtb-$(CONFIG_ARCH_UNIPHIER) += \
        uniphier-ld4-ref.dtb \
index 7bf7a2d34cbc36a7d352f8b75332514542fc2b17..31a86606bedaede9539a950c127bcd2b8d03e112 100644 (file)
        };
 
        i2c2 {
+               i2c2_b_1_default: i2c2_b_1_default {
+                       default_mux {
+                               function = "i2c2";
+                               groups = "i2c2_b_1";
+                       };
+                       default_cfg1 {
+                               pins = "GPIO8_AD5", "GPIO9_AE4"; /* SDA/SCL */
+                               ste,config = <&in_nopull>;
+                       };
+               };
+
+               i2c2_b_1_sleep: i2c2_b_1_sleep {
+                       sleep_cfg1 {
+                               pins = "GPIO8_AD5", "GPIO9_AE4"; /* SDA/SCL */
+                               ste,config = <&slpm_in_wkup_pdis>;
+                       };
+               };
+
                i2c2_b_2_default: i2c2_b_2_default {
                        default_mux {
                                function = "i2c2";
diff --git a/arch/arm/boot/dts/ste-ux500-samsung-gavini.dts b/arch/arm/boot/dts/ste-ux500-samsung-gavini.dts
new file mode 100644 (file)
index 0000000..251a393
--- /dev/null
@@ -0,0 +1,852 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Devicetree for the Samsung Galaxy Beam GT-I8530 also known as Gavini.
+ */
+
+/dts-v1/;
+#include "ste-db8500.dtsi"
+#include "ste-ab8500.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 Beam (GT-I8530)";
+       compatible = "samsung,gavini", "st-ericsson,u8500";
+
+       chosen {
+               stdout-path = &serial2;
+       };
+
+       /* TI TXS0206 level translator for 2.9 V */
+       sd_level_translator: regulator-gpio {
+               compatible = "regulator-fixed";
+
+               /* GPIO193 EN */
+               gpios = <&gpio6 1 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 for eMMC LDO VMEM_3V3 controlled by GPIO6 */
+       ldo_3v3_reg: regulator-gpio-ldo-3v3 {
+               compatible = "regulator-fixed";
+               /* Supplied in turn by VBAT */
+               regulator-name = "VMEM_3V3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               gpio = <&gpio0 6 GPIO_ACTIVE_HIGH>;
+               startup-delay-us = <5000>; // FIXME
+               enable-active-high;
+               pinctrl-names = "default";
+               pinctrl-0 = <&emmc_ldo_en_default_mode>;
+       };
+
+       /*
+        * External Ricoh "TSP" regulator for the touchscreen.
+        * One GPIO line controls two voltages of 3.3V and 1.8V
+        * this line is known as "TSP_LDO_ON1" in the schematics.
+        */
+       ldo_tsp_3v3_reg: regulator-gpio-tsp-ldo-3v3 {
+               compatible = "regulator-fixed";
+               /* Supplied in turn by VBAT */
+               regulator-name = "LDO_TSP_A3V3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               /* GPIO94 controls this regulator */
+               gpio = <&gpio2 30 GPIO_ACTIVE_HIGH>;
+               /* 70 ms power-on delay */
+               startup-delay-us = <70000>;
+               enable-active-high;
+               pinctrl-names = "default";
+               pinctrl-0 = <&tsp_ldo_en_default_mode>;
+       };
+       ldo_tsp_1v8_reg: regulator-gpio-tsp-ldo-1v8 {
+               compatible = "regulator-fixed";
+               /* Supplied in turn by VBAT */
+               regulator-name = "VREG_TSP_1V8";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               /* GPIO94 controls this regulator */
+               gpio = <&gpio2 30 GPIO_ACTIVE_HIGH>;
+               /* 70 ms power-on delay */
+               startup-delay-us = <70000>;
+               enable-active-high;
+               pinctrl-names = "default";
+               pinctrl-0 = <&tsp_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>;
+       };
+
+       /*
+        * This regulator is a GPIO line that drives the Broadcom WLAN
+        * line WL_REG_ON high and enables the internal regulators
+        * inside the chip. Unfortunatley it is erroneously named
+        * WLAN_RST_N on the schematic but it is not a reset line.
+        *
+        * The voltage specified here is only used to determine the OCR mask,
+        * the for the SDIO connector, the chip is actually connected
+        * directly to VBAT.
+        */
+       wl_reg: regulator-gpio-wlan {
+               compatible = "regulator-fixed";
+               regulator-name = "WL_REG_ON";
+               regulator-min-microvolt = <3000000>;
+               regulator-max-microvolt = <3000000>;
+               startup-delay-us = <100000>;
+               /* GPIO215 (WLAN_RST_N to WL_REG_ON) */
+               gpio = <&gpio6 23 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+               pinctrl-names = "default";
+               pinctrl-0 = <&wlan_ldo_en_default>;
+       };
+
+       gpio-keys {
+               compatible = "gpio-keys";
+               pinctrl-names = "default";
+               pinctrl-0 = <&gpio_keys_default_mode>;
+
+               button-projector {
+                       linux,code = <KEY_SWITCHVIDEOMODE>;
+                       label = "Projector";
+                       /* GPIO32 "Projector On HotKey" */
+                       gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
+               };
+               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>;
+               };
+       };
+
+       /* 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>;
+               };
+       };
+
+       gpio-leds {
+               compatible = "gpio-leds";
+               pinctrl-names = "default";
+               pinctrl-0 = <&gpio_leds_default_mode>;
+               used-led {
+                       label = "touchkeys";
+                       /* GPIO68 */
+                       gpios = <&gpio2 4 GPIO_ACTIVE_HIGH>;
+                       default-state = "on";
+               };
+       };
+
+       ktd259: backlight {
+               compatible = "kinetic,ktd259";
+               /* GPIO20 */
+               enable-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
+               /* Default to 13/32 brightness */
+               default-brightness = <13>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&ktd259_backlight_default_mode>;
+       };
+
+       /* Bit-banged I2C on GPIO143 and GPIO144 also called "SUBPMU I2C" */
+       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: Memsic MMC328 magnetometer */
+               magnetometer@30 {
+                       compatible = "memsic,mmc328";
+                       reg = <0x30>;
+                       /* TODO: if you have the schematic, check if both voltages come from AUX2 */
+                       /* VDA 1.8 V */
+                       vda-supply = <&ab8500_ldo_aux2_reg>;
+                       /* VDD 1.8V */
+                       vdd-supply = <&ab8500_ldo_aux2_reg>;
+                       /* GPIO204 */
+                       reset-gpios = <&gpio6 12 GPIO_ACTIVE_LOW>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&mmc328_default>;
+               };
+               /* TODO: this should also be used by the NCP6914 Camera power management unit */
+       };
+
+       /*
+        * TODO: See if we can use the PL023 for this instead.
+        */
+       spi-gpio-0 {
+               compatible = "spi-gpio";
+               /* Clock on GPIO220, pin SCL */
+               sck-gpios = <&gpio6 28 GPIO_ACTIVE_HIGH>;
+               /* MOSI on GPIO224, pin SDI "slave data in" */
+               mosi-gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>;
+               /* MISO on GPIO225, pin SDO "slave data out" */
+               miso-gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>;
+               /* Chip select on GPIO223 */
+               cs-gpios = <&gpio6 31 GPIO_ACTIVE_LOW>;
+               num-chipselects = <1>;
+
+               pinctrl-names = "default";
+               pinctrl-0 = <&spi_gpio_0_default>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               panel@0 {
+                       compatible = "samsung,lms397kf04";
+                       /* 300 ns at read cycle -> 3 MHz max speed */
+                       //spi-max-frequency = <3000000>;
+                       spi-max-frequency = <1200000>;
+                       /* TYPE 3: inverse clock polarity and phase */
+                       spi-cpha;
+                       spi-cpol;
+
+                       reg = <0>;
+                       vci-supply = <&lcd_3v0_reg>;
+                       vccio-supply = <&lcd_1v8_reg>;
+                       /* Reset on GPIO139 */
+                       reset-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&panel_default_mode>;
+                       backlight = <&ktd259>;
+
+                       port {
+                               panel_in: endpoint {
+                                       remote-endpoint = <&display_out>;
+                               };
+                       };
+               };
+       };
+
+       /* Bit-banged I2C on GPIO201 and GPIO202 also called "MOT_I2C" */
+       i2c-gpio-2 {
+               compatible = "i2c-gpio";
+               sda-gpios = <&gpio6 10 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+               scl-gpios = <&gpio6 9 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&i2c_gpio_2_default>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+               /* TODO: add the Immersion ISA1200 I2C device here */
+       };
+
+       /* Bit-banged I2C on GPIO196 and GPIO197 also called "MPR_I2C" */
+       i2c-gpio-3 {
+               compatible = "i2c-gpio";
+               sda-gpios = <&gpio6 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+               scl-gpios = <&gpio6 4 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&i2c_gpio_3_default>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+               /* TODO: add the DPP2601 projector I2C device 0x1b here */
+       };
+
+       soc {
+               /* External Micro SD slot */
+               mmc@80126000 {
+                       arm,primecell-periphid = <0x10480180>;
+                       max-frequency = <50000000>;
+                       bus-width = <4>;
+                       cap-sd-highspeed;
+                       cap-mmc-highspeed;
+                       st,sig-pin-fbclk;
+                       full-pwr-cycle;
+                       /* MMC is powered by AUX3 1.2V .. 2.91V */
+                       vmmc-supply = <&ab8500_ldo_aux3_reg>;
+                       /* 2.9 V level translator */
+                       vqmmc-supply = <&sd_level_translator>;
+                       pinctrl-names = "default", "sleep";
+                       pinctrl-0 = <&mc0_a_2_default>;
+                       pinctrl-1 = <&mc0_a_2_sleep>;
+                       /* "flash detect" actually card detect */
+                       cd-gpios  = <&gpio6 25 GPIO_ACTIVE_LOW>;
+                       status = "okay";
+               };
+
+               /* WLAN SDIO channel */
+               mmc@80118000 {
+                       arm,primecell-periphid = <0x10480180>;
+                       max-frequency = <50000000>;
+                       bus-width = <4>;
+                       non-removable;
+                       cap-sd-highspeed;
+                       pinctrl-names = "default", "sleep";
+                       pinctrl-0 = <&mc1_a_2_default>;
+                       pinctrl-1 = <&mc1_a_2_sleep>;
+                       /*
+                        * GPIO-controlled voltage enablement: this drives
+                        * the WL_REG_ON line high when we use this device.
+                        * Represented as regulator to fill OCR mask.
+                        */
+                       vmmc-supply = <&wl_reg>;
+
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       status = "okay";
+
+                       wifi@1 {
+                               compatible = "brcm,bcm4330-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 */
+               mmc@80005000 {
+                       arm,primecell-periphid = <0x10480180>;
+                       max-frequency = <50000000>;
+                       bus-width = <8>;
+                       non-removable;
+                       cap-mmc-highspeed;
+                       mmc-ddr-1_8v;
+                       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 {
+                               compatible = "brcm,bcm4330-bt";
+                               /* GPIO222 rail BT_VREG_EN to BT_REG_ON */
+                               shutdown-gpios = <&gpio6 30 GPIO_ACTIVE_HIGH>;
+                               /* BT_WAKE on GPIO199 */
+                               device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
+                               /* BT_HOST_WAKE on GPIO97 */
+                               host-wakeup-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
+                               /* BT_RST_N on GPIO209 */
+                               reset-gpios = <&gpio6 17 GPIO_ACTIVE_LOW>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&bluetooth_default_mode>;
+                       };
+               };
+
+               /* GPS UART */
+               uart@80121000 {
+                       status = "okay";
+                       pinctrl-names = "default", "sleep";
+                       /* CTS/RTS is not used, CTS is repurposed as GPIO */
+                       pinctrl-0 = <&u1rxtx_a_1_default>;
+                       pinctrl-1 = <&u1rxtx_a_1_sleep>;
+                       /* FIXME: add a device for the GPS here */
+               };
+
+               /* Debugging console UART connected to TSU6111RSVR (FSA880) */
+               uart@80007000 {
+                       status = "okay";
+                       pinctrl-names = "default", "sleep";
+                       pinctrl-0 = <&u2rxtx_c_1_default>;
+                       pinctrl-1 = <&u2rxtx_c_1_sleep>;
+               };
+
+               prcmu@80157000 {
+                       ab8500 {
+                               ab8500_usb {
+                                       pinctrl-names = "default", "sleep";
+                                       pinctrl-0 = <&usb_a_1_default>;
+                                       pinctrl-1 = <&usb_a_1_sleep>;
+                               };
+
+                               ab8500-regulators {
+                                       ab8500_ldo_aux1 {
+                                               /* Used for VDD for sensors */
+                                               regulator-name = "V-SENSORS-VDD";
+                                               regulator-min-microvolt = <3000000>;
+                                               regulator-max-microvolt = <3000000>;
+                                       };
+
+                                       ab8500_ldo_aux2 {
+                                               /* Used for VIO for sensors */
+                                               regulator-name = "V-SENSORS-VIO";
+                                               regulator-min-microvolt = <1800000>;
+                                               regulator-max-microvolt = <1800000>;
+                                       };
+
+                                       ab8500_ldo_aux3 {
+                                               /* Used for voltage for external MMC/SD card */
+                                               regulator-name = "V-MMC-SD";
+                                               regulator-min-microvolt = <1200000>;
+                                               regulator-max-microvolt = <2910000>;
+                                       };
+                               };
+                       };
+               };
+
+               /* I2C0 */
+               i2c@80004000 {
+                       status = "okay";
+                       pinctrl-names = "default", "sleep";
+                       pinctrl-0 = <&i2c0_a_1_default>;
+                       pinctrl-1 = <&i2c0_a_1_sleep>;
+
+                       /* FIXME: fix the proximity sensor bindings and driver */
+                       proximity@39 {
+                               /* Gavini has the GP2A030S00F proximity sensor */
+                               compatible = "sharp,gp2a030s00f";
+                               clock-frequency = <400000>;
+                               reg = <0x39>;
+                               /* FIXME: GPIO146 provides power on, IR LED? */
+                       };
+
+                       gyroscope@68 {
+                               compatible = "invensense,mpu3050";
+                               reg = <0x68>;
+                               /* GPIO226 interrupt */
+                               interrupt-parent = <&gpio7>;
+                               interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+                               mount-matrix = "0", "1", "0",
+                                              "1", "0", "0",
+                                              "0", "0", "1";
+                               vlogic-supply = <&ab8500_ldo_aux2_reg>; // 1.8V
+                               vdd-supply = <&ab8500_ldo_aux1_reg>; // 3V
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&mpu3050_default>;
+
+                               /*
+                                * The MPU-3050 acts as a hub for the
+                                * accelerometer.
+                                */
+                               i2c-gate {
+                                       #address-cells = <1>;
+                                       #size-cells = <0>;
+
+                                       /* Bosch BMA222E accelerometer */
+                                       accelerometer@18 {
+                                               compatible = "bosch,bma222e";
+                                               reg = <0x18>;
+                                               mount-matrix = "0", "1", "0",
+                                                              "-1", "0", "0",
+                                                              "0", "0", "1";
+                                               vddio-supply = <&ab8500_ldo_aux2_reg>; // 1.8V
+                                               vdd-supply = <&ab8500_ldo_aux1_reg>; // 3V
+                                       };
+                               };
+                       };
+               };
+
+               /* I2C2 "AGC I2C" */
+               i2c@80128000 {
+                       status = "okay";
+                       pinctrl-names = "default", "sleep";
+                       pinctrl-0 = <&i2c2_b_1_default>;
+                       pinctrl-1 = <&i2c2_b_1_sleep>;
+
+                       /* Texas Instruments TSU6111 micro USB switch */
+                       usb-switch@25 {
+                               compatible = "ti,tsu6111";
+                               reg = <0x25>;
+                               /* Interrupt JACK_INT_N on GPIO95 */
+                               interrupt-parent = <&gpio2>;
+                               interrupts = <31 IRQ_TYPE_EDGE_FALLING>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&tsu6111_default>;
+                       };
+               };
+
+               /* I2C3 */
+               i2c@80110000 {
+                       status = "okay";
+
+                       pinctrl-names = "default", "sleep";
+                       pinctrl-0 = <&i2c3_c_2_default>;
+                       pinctrl-1 = <&i2c3_c_2_sleep>;
+
+                       /* Melfas MMS136 touchscreen */
+                       touchscreen@48 {
+                               compatible = "melfas,mms136";
+                               reg = <0x48>;
+                               /* GPIO218 (TSP_INT_1V8) */
+                               interrupt-parent = <&gpio6>;
+                               interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
+                               /* AVDD is "analog supply", 2.57-3.47 V */
+                               avdd-supply = <&ldo_tsp_3v3_reg>;
+                               /* VDD is "digital supply" 1.71-3.47V */
+                               vdd-supply = <&ldo_tsp_1v8_reg>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&tsp_default>;
+                               touchscreen-size-x = <480>;
+                               touchscreen-size-y = <800>;
+                       };
+               };
+
+               mcde@a0350000 {
+                       status = "okay";
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&dpi_default_mode>;
+
+                       port {
+                               display_out: endpoint {
+                                       remote-endpoint = <&panel_in>;
+                               };
+                       };
+               };
+       };
+};
+
+&pinctrl {
+       /*
+        * This extends the MC0_A_2 default config to include
+        * the card detect GPIO217 line.
+        */
+       sdi0 {
+               mc0_a_2_default {
+                       default_cfg4 {
+                               pins = "GPIO217_AH12"; /* card detect */
+                               ste,config = <&gpio_in_nopull>;
+                       };
+               };
+       };
+       mcde {
+               dpi_default_mode: dpi_default {
+                       default_mux1 {
+                               /* Mux in all the data lines */
+                               function = "lcd";
+                               groups =
+                                       /* Data lines D0-D7 GPIO70..GPIO77 */
+                                       "lcd_d0_d7_a_1",
+                                       /* Data lines D8-D11 GPIO78..GPIO81 */
+                                       "lcd_d8_d11_a_1",
+                                       /* Data lines D12-D15 GPIO82..GPIO85 */
+                                       "lcd_d12_d15_a_1",
+                                       /* Data lines D16-D23 GPIO161..GPIO168 */
+                                       "lcd_d16_d23_b_1";
+                       };
+                       default_mux2 {
+                               function = "lcda";
+                               /* Clock line on GPIO150, DE, VSO, HSO on GPIO169..GPIO171 */
+                               groups = "lcdaclk_b_1", "lcda_b_1";
+                       };
+                       /* Input, no pull-up is the default state for pins used for an alt function */
+                       default_cfg1 {
+                               pins = "GPIO150_C14", "GPIO169_D22", "GPIO170_C23", "GPIO171_D23";
+                               ste,config = <&in_nopull>;
+                       };
+               };
+       };
+       /* GPIO for panel reset control */
+       panel {
+               panel_default_mode: panel_default {
+                       gavini_cfg1 {
+                               /* Reset line */
+                               pins = "GPIO139_C9";
+                               ste,config = <&gpio_out_lo>;
+                       };
+               };
+       };
+       /* GPIO that enables the LDO regulator for the eMMC */
+       emmc-ldo {
+               emmc_ldo_en_default_mode: emmc_ldo_default {
+                       /* LDO enable on GPIO6 */
+                       gavini_cfg1 {
+                               pins = "GPIO6_AF6";
+                               ste,config = <&gpio_out_hi>;
+                       };
+               };
+       };
+       /* GPIO that enables the LDO regulator for the touchscreen */
+       tsp-ldo {
+               tsp_ldo_en_default_mode: tsp_ldo_default {
+                       /* LDO enable on GPIO94 */
+                       gavini_cfg1 {
+                               pins = "GPIO94_D7";
+                               ste,config = <&gpio_out_hi>;
+                       };
+               };
+       };
+       /* Flash and torch */
+       flash {
+               gpio_flash_default_mode: flash_default {
+                       janice_cfg1 {
+                               pins = "GPIO140_B11", "GPIO141_C12";
+                               ste,config = <&gpio_out_lo>;
+                       };
+               };
+       };
+       /* GPIO that enables the LDO regulator for the key LED */
+       gpio-leds {
+               gpio_leds_default_mode: gpio_leds_default {
+                       /* EN_LED_LDO on GPIO68 */
+                       gavini_cfg1 {
+                               pins = "GPIO68_E1";
+                               ste,config = <&gpio_out_hi>;
+                       };
+               };
+       };
+       backlight {
+               ktd259_backlight_default_mode: backlight_default {
+                       skomer_cfg1 {
+                               pins = "GPIO20_AB4"; /* LCD_BL_EN */
+                               ste,config = <&gpio_out_lo>;
+                       };
+               };
+       };
+       /* GPIO that enables the LDO regulator for the touchkeys */
+       touchkey-ldo {
+               tsp_ldo_on2_default_mode: tsp_ldo_on2_default {
+                       /* TSP_LDO_ON2 on GPIO89 */
+                       gavini_cfg1 {
+                               pins = "GPIO89_E6";
+                               ste,config = <&gpio_out_lo>;
+                       };
+               };
+       };
+       touchkey {
+               touchkey_default_mode: touchkey_default {
+                       gavini_cfg1 {
+                               /* Interrupt */
+                               pins = "GPIO198_AG25";
+                               ste,config = <&gpio_in_nopull>;
+                       };
+                       gavini_cfg2 {
+                               /* Reset, actually completely unused (not routed) */
+                               pins = "GPIO205_AG23";
+                               ste,config = <&gpio_in_pd>;
+                       };
+               };
+       };
+       /* 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 */
+                       gavini_cfg1 {
+                               pins = "GPIO219_AG10";
+                               ste,config = <&gpio_out_hi>;
+                       };
+               };
+       };
+       /* GPIO that enables the WLAN internal LDO regulators */
+       wlan-ldo {
+               wlan_ldo_en_default: wlan_ldo_default {
+                       /* GPIO215 named WLAN_RST_N */
+                       gavini_cfg1 {
+                               pins = "GPIO215_AH13";
+                               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 GPIO193 */
+                       skomer_cfg1 {
+                               pins = "GPIO193_AH27";
+                               ste,config = <&gpio_out_hi>;
+                       };
+               };
+       };
+       /* GPIO keys */
+       gpio-keys {
+               gpio_keys_default_mode: gpio_keys_default {
+                       skomer_cfg1 {
+                               pins = "GPIO32_V2", /* Projector On HotKey */
+                                      "GPIO67_G2", /* VOL UP */
+                                      "GPIO91_B6", /* HOME */
+                                      "GPIO92_D6"; /* VOL DOWN */
+                               ste,config = <&gpio_in_pu>;
+                       };
+               };
+       };
+       /* Interrupt line for the Atmel MXT228 touchscreen */
+       tsp {
+               tsp_default: tsp_default {
+                       gavini_cfg1 {
+                               pins = "GPIO218_AH11";  /* TSP_INT_1V8 */
+                               ste,config = <&gpio_in_nopull>;
+                       };
+               };
+       };
+       /* Reset line for the Memsic MMC328 magnetometer */
+       mmc328 {
+               mmc328_default: mmc328_gavini {
+                       gavini_cfg1 {
+                               pins = "GPIO204_AF23";
+                               ste,config = <&gpio_out_hi>;
+                       };
+               };
+       };
+       /* Interrupt line for Invensense MPU3050 gyroscope */
+       mpu3050 {
+               mpu3050_default: mpu3050 {
+                       gavini_cfg1 {
+                               /* GPIO226 used for IRQ */
+                               pins = "GPIO226_AF8";
+                               ste,config = <&gpio_in_nopull>;
+                       };
+               };
+       };
+       /* GPIO-based I2C bus for magnetometer and NCP6914 */
+       i2c-gpio-0 {
+               i2c_gpio_0_default: i2c_gpio_0 {
+                       gavini_cfg1 {
+                               pins = "GPIO143_D12", "GPIO144_B13";
+                               ste,config = <&gpio_in_nopull>;
+                       };
+               };
+       };
+       /* GPIO-based I2C bus for the Immersion ISA1200 */
+       i2c-gpio-2 {
+               i2c_gpio_2_default: i2c_gpio_2 {
+                       gavini_cfg1 {
+                               pins = "GPIO201_AF24", "GPIO202_AF25";
+                               ste,config = <&gpio_in_nopull>;
+                       };
+               };
+       };
+       /* GPIO-based I2C bus for the TI DPP2601 */
+       i2c-gpio-3 {
+               i2c_gpio_3_default: i2c_gpio_3 {
+                       gavini_cfg1 {
+                               pins = "GPIO196_AG26", "GPIO197_AH24";
+                               ste,config = <&gpio_in_nopull>;
+                       };
+               };
+       };
+       /* GPIO-based SPI bus for the display */
+       spi-gpio-0 {
+               spi_gpio_0_default: spi_gpio_0_d {
+                       gavini_cfg1 {
+                               pins = "GPIO220_AH10", "GPIO223_AH9", "GPIO224_AG9";
+                               ste,config = <&gpio_out_hi>;
+                       };
+                       gavini_cfg2 {
+                               pins = "GPIO225_AG8";
+                               ste,config = <&gpio_in_nopull>;
+                       };
+               };
+               spi_gpio_0_sleep: spi_gpio_0_s {
+                       gavini_cfg1 {
+                               pins = "GPIO220_AH10", "GPIO223_AH9",
+                                    "GPIO224_AG9", "GPIO225_AG8";
+                               ste,config = <&gpio_out_hi>;
+                       };
+                       gavini_cfg2 {
+                               pins = "GPIO225_AG8";
+                               ste,config = <&gpio_out_lo>;
+                       };
+               };
+       };
+       wlan {
+               wlan_default_mode: wlan_default {
+                       /* GPIO216 for WL_HOST_WAKE */
+                       gavini_cfg2 {
+                               pins = "GPIO216_AG12";
+                               ste,config = <&gpio_in_pd>;
+                       };
+               };
+       };
+       bluetooth {
+               bluetooth_default_mode: bluetooth_default {
+                       /* GPIO199 BT_WAKE and GPIO222 BT_VREG_ON */
+                       gavini_cfg1 {
+                               pins = "GPIO199_AH23", "GPIO222_AJ9";
+                               ste,config = <&gpio_out_lo>;
+                       };
+                       /* GPIO97 BT_HOST_WAKE */
+                       gavini_cfg2 {
+                               pins = "GPIO97_D9";
+                               ste,config = <&gpio_in_nopull>;
+                       };
+                       /* GPIO209 BT_RST_N */
+                       gavini_cfg3 {
+                               pins = "GPIO209_AG15";
+                               ste,config = <&gpio_out_hi>;
+                       };
+               };
+       };
+       /* Interrupt line for TI TSU6111 Micro USB switch */
+       tsu6111 {
+               tsu6111_default: tsu6111 {
+                       gavini_cfg1 {
+                               /* GPIO95 used for IRQ */
+                               pins = "GPIO95_E8";
+                               ste,config = <&gpio_in_nopull>;
+                       };
+               };
+       };
+};