diff options
| -rw-r--r-- | arch/arm/boot/dts/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/boot/dts/ste-ux500-samsung-golden.dts | 304 |
2 files changed, 306 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 9d13b3b71116..59d13d643094 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1183,7 +1183,8 @@ dtb-$(CONFIG_ARCH_U8500) += \ ste-hrefprev60-tvk.dtb \ ste-hrefv60plus-stuib.dtb \ ste-hrefv60plus-tvk.dtb \ - ste-href520-tvk.dtb + ste-href520-tvk.dtb \ + ste-ux500-samsung-golden.dtb dtb-$(CONFIG_ARCH_UNIPHIER) += \ uniphier-ld4-ref.dtb \ uniphier-ld6b-ref.dtb \ diff --git a/arch/arm/boot/dts/ste-ux500-samsung-golden.dts b/arch/arm/boot/dts/ste-ux500-samsung-golden.dts new file mode 100644 index 000000000000..51f2afe42c1c --- /dev/null +++ b/arch/arm/boot/dts/ste-ux500-samsung-golden.dts @@ -0,0 +1,304 @@ +// 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; + }; + }; + }; +}; |