--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+/dts-v1/;
+
+#include "ste-db8500.dtsi"
+#include "ste-ab8505.dtsi"
+#include "ste-dbx5x0-pinctrl.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/*
+ * Note: This device tree cannot be booted directly with the Samsung bootloader.
+ * You need an intermediate, device-tree compatible bootloader
+ * that locks the L2 cache. Otherwise the kernel will crash after decompression.
+ *
+ * There is a port of (mainline) U-Boot, see
+ * https://wiki.postmarketos.org/wiki/ST-Ericsson_NovaThor_U8500#U-Boot
+ */
+/ {
+ model = "Samsung Galaxy S III mini (GT-I8190)";
+ compatible = "samsung,golden", "st-ericsson,u8500";
+
+ chosen {
+ stdout-path = &serial2;
+ };
+
+ soc {
+ /* External Micro SD card slot */
+ sdi0_per1@80126000 {
+ status = "okay";
+
+ arm,primecell-periphid = <0x10480180>;
+ max-frequency = <100000000>;
+ bus-width = <4>;
+
+ non-removable;
+ /*
+ * Unfortunately, there is no way to enable the UHS
+ * modes due to a limitation of the SD level translator:
+ * It will either translate to 2.9V or disconnect the
+ * DATA lines, so switching to 1.8V signal voltage fails.
+ */
+ 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_2_default>;
+ pinctrl-1 = <&mc0_a_2_sleep>;
+ };
+
+ /* WLAN SDIO */
+ sdi1_per2@80118000 {
+ status = "okay";
+
+ 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>;
+ };
+
+ /* eMMC */
+ sdi2_per3@80005000 {
+ status = "okay";
+
+ arm,primecell-periphid = <0x10480180>;
+ max-frequency = <100000000>;
+ bus-width = <8>;
+
+ non-removable;
+ cap-mmc-highspeed;
+ mmc-ddr-1_8v;
+
+ vmmc-supply = <&vmem_3v3>;
+
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&mc2_a_1_default>;
+ pinctrl-1 = <&mc2_a_1_sleep>;
+ };
+
+ /* BT UART */
+ uart@80120000 {
+ status = "okay";
+
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&u0_a_1_default>;
+ pinctrl-1 = <&u0_a_1_sleep>;
+ };
+
+ /* 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 */
+ 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 {
+ regulator-name = "sensor_3v";
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ };
+
+ ab8500_ldo_aux2 {
+ regulator-name = "vreg_tsp_a3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ ab8500_ldo_aux3 {
+ regulator-name = "vdd_tf_2v91";
+ };
+
+ ab8500_ldo_aux4 {
+ regulator-name = "key_led_3.3v";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ ab8500_ldo_aux5 {
+ regulator-name = "vreg_tsp_1v8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ ab8500_ldo_aux6 {
+ regulator-name = "touch_key_2.2v";
+ regulator-min-microvolt = <2200000>;
+ regulator-max-microvolt = <2200000>;
+ };
+
+ ab8500_ldo_aux8 {
+ regulator-name = "sensor_1v8";
+ };
+ };
+ };
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio_keys_default>;
+
+ label = "GPIO Buttons";
+
+ volume-up {
+ label = "Volume Up";
+ /* GPIO67 (VOL_UP) */
+ gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_VOLUMEUP>;
+ };
+
+ volume-down {
+ label = "Volume Down";
+ /* GPIO92 (VOL_DOWN) */
+ gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_VOLUMEDOWN>;
+ };
+
+ home {
+ label = "Home";
+ /* GPIO91 (HOME_KEY) */
+ gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_HOMEPAGE>;
+ };
+ };
+
+ vibrator {
+ compatible = "gpio-vibrator";
+ /* GPIO195 (MOT_EN) */
+ enable-gpios = <&gpio6 3 GPIO_ACTIVE_HIGH>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&vibrator_default>;
+ };
+
+ /* External LDO for eMMC */
+ vmem_3v3: regulator-vmem {
+ compatible = "regulator-fixed";
+
+ regulator-name = "vmem_3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+
+ startup-delay-us = <200>;
+
+ /* GPIO223 (MEM_LDO_EN) */
+ gpio = <&gpio6 31 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&mem_ldo_default>;
+ };
+
+ /* TI TXS0206-29 level translator for 2.9 V */
+ sd_level_translator: regulator-sd-level-translator {
+ compatible = "regulator-fixed";
+
+ regulator-name = "sd-level-translator";
+ regulator-min-microvolt = <2900000>;
+ regulator-max-microvolt = <2900000>;
+
+ startup-delay-us = <200>;
+
+ /* GPIO87 (TXS0206-29_EN) */
+ gpios = <&gpio2 23 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&sd_level_translator_default>;
+ };
+};
+
+&pinctrl {
+ gpio-keys {
+ gpio_keys_default: gpio_keys_default {
+ golden_cfg1 {
+ pins = "GPIO67", /* VOL_UP */
+ "GPIO91", /* HOME_KEY */
+ "GPIO92"; /* VOL_DOWN */
+ ste,config = <&gpio_in_pu>;
+ };
+ };
+ };
+
+ sdi0 {
+ sd_level_translator_default: sd_level_translator_default {
+ golden_cfg1 {
+ pins = "GPIO87_B3"; /* TXS0206-29_EN */
+ ste,config = <&gpio_out_lo>;
+ };
+ };
+ };
+
+ sdi2 {
+ mem_ldo_default: mem_ldo_default {
+ golden_cfg1 {
+ pins = "GPIO223_AH9"; /* MEM_LDO_EN */
+ ste,config = <&gpio_out_hi>;
+ };
+ };
+ };
+
+ vibrator {
+ vibrator_default: vibrator_default {
+ golden_cfg1 {
+ pins = "GPIO195_AG28"; /* MOT_EN */
+ ste,config = <&gpio_out_lo>;
+ };
+ };
+ };
+};
+
+&ab8505_gpio {
+ /* Hog a few default settings */
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio_default>;
+
+ gpio {
+ gpio_default: gpio_default {
+ golden_mux {
+ /* Change unused pins to GPIO mode */
+ function = "gpio";
+ groups = "gpio3_a_1", /* default: SysClkReq4 */
+ "gpio14_a_1"; /* default: PWMOut1 */
+ };
+ golden_cfg1 {
+ pins = "GPIO11_B17", "GPIO13_D17", "GPIO50_L4";
+ bias-disable;
+ };
+ };
+ };
+};
projects / linux-2.6-microblaze.git / commitdiff