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Diffstat (limited to '')
| -rw-r--r-- | arch/arm64/boot/dts/exynos/exynos850-e850-96.dts | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/exynos/exynos850-e850-96.dts b/arch/arm64/boot/dts/exynos/exynos850-e850-96.dts new file mode 100644 index 000000000..f52a55f64 --- /dev/null +++ b/arch/arm64/boot/dts/exynos/exynos850-e850-96.dts @@ -0,0 +1,200 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * WinLink E850-96 board device tree source + * + * Copyright (C) 2018 Samsung Electronics Co., Ltd. + * Copyright (C) 2021 Linaro Ltd. + * + * Device tree source file for WinLink's E850-96 board which is based on + * Samsung Exynos850 SoC. + */ + +/dts-v1/; + +#include "exynos850.dtsi" +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> +#include <dt-bindings/leds/common.h> + +/ { + model = "WinLink E850-96 board"; + compatible = "winlink,e850-96", "samsung,exynos850"; + + aliases { + mmc0 = &mmc_0; + serial0 = &serial_0; + }; + + chosen { + stdout-path = &serial_0; + }; + + /* + * RAM: 4 GiB (eMCP): + * - 2 GiB at 0x80000000 + * - 2 GiB at 0x880000000 + * + * 0xbab00000..0xbfffffff: secure memory (85 MiB). + */ + memory@80000000 { + device_type = "memory"; + reg = <0x0 0x80000000 0x3ab00000>, + <0x0 0xc0000000 0x40000000>, + <0x8 0x80000000 0x80000000>; + }; + + gpio-keys { + compatible = "gpio-keys"; + pinctrl-names = "default"; + pinctrl-0 = <&key_voldown_pins &key_volup_pins>; + + volume-down-key { + label = "Volume Down"; + linux,code = <KEY_VOLUMEDOWN>; + gpios = <&gpa1 0 GPIO_ACTIVE_LOW>; + }; + + volume-up-key { + label = "Volume Up"; + linux,code = <KEY_VOLUMEUP>; + gpios = <&gpa0 7 GPIO_ACTIVE_LOW>; + }; + }; + + leds { + compatible = "gpio-leds"; + + /* HEART_BEAT_LED */ + user_led1: led-1 { + label = "yellow:user1"; + gpios = <&gpg2 2 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_YELLOW>; + function = LED_FUNCTION_HEARTBEAT; + linux,default-trigger = "heartbeat"; + }; + + /* eMMC_LED */ + user_led2: led-2 { + label = "yellow:user2"; + gpios = <&gpg2 3 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_YELLOW>; + linux,default-trigger = "mmc0"; + }; + + /* SD_LED */ + user_led3: led-3 { + label = "white:user3"; + gpios = <&gpg2 4 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_WHITE>; + function = LED_FUNCTION_SD; + linux,default-trigger = "mmc2"; + }; + + /* WIFI_LED */ + wlan_active_led: led-4 { + label = "yellow:wlan"; + gpios = <&gpg2 6 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_YELLOW>; + function = LED_FUNCTION_WLAN; + linux,default-trigger = "phy0tx"; + default-state = "off"; + }; + + /* BLUETOOTH_LED */ + bt_active_led: led-5 { + label = "blue:bt"; + gpios = <&gpg2 7 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_BLUE>; + function = LED_FUNCTION_BLUETOOTH; + linux,default-trigger = "hci0rx"; + default-state = "off"; + }; + }; + + /* + * RTC clock (XrtcXTI); external, must be 32.768 kHz. + * + * TODO: Remove this once RTC clock is implemented properly as part of + * PMIC driver. + */ + rtcclk: clock-rtcclk { + compatible = "fixed-clock"; + clock-output-names = "rtcclk"; + #clock-cells = <0>; + clock-frequency = <32768>; + }; +}; + +&cmu_hsi { + clocks = <&oscclk>, <&rtcclk>, + <&cmu_top CLK_DOUT_HSI_BUS>, + <&cmu_top CLK_DOUT_HSI_MMC_CARD>, + <&cmu_top CLK_DOUT_HSI_USB20DRD>; + clock-names = "oscclk", "rtcclk", "dout_hsi_bus", + "dout_hsi_mmc_card", "dout_hsi_usb20drd"; +}; + +&mmc_0 { + status = "okay"; + mmc-hs200-1_8v; + mmc-hs400-1_8v; + cap-mmc-highspeed; + non-removable; + mmc-hs400-enhanced-strobe; + card-detect-delay = <200>; + clock-frequency = <800000000>; + bus-width = <8>; + samsung,dw-mshc-ciu-div = <3>; + samsung,dw-mshc-sdr-timing = <0 4>; + samsung,dw-mshc-ddr-timing = <2 4>; + samsung,dw-mshc-hs400-timing = <0 2>; + + pinctrl-names = "default"; + pinctrl-0 = <&sd0_clk_pins &sd0_cmd_pins &sd0_rdqs_pins &sd0_nreset_pins + &sd0_bus1_pins &sd0_bus4_pins &sd0_bus8_pins>; +}; + +&oscclk { + clock-frequency = <26000000>; +}; + +&pinctrl_alive { + key_voldown_pins: key-voldown-pins { + samsung,pins = "gpa1-0"; + samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>; + samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; + samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>; + }; + + key_volup_pins: key-volup-pins { + samsung,pins = "gpa0-7"; + samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>; + samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; + samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>; + }; +}; + +&rtc { + status = "okay"; + clocks = <&cmu_apm CLK_GOUT_RTC_PCLK>, <&rtcclk>; + clock-names = "rtc", "rtc_src"; +}; + +&serial_0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&uart1_pins>; +}; + +&usi_uart { + samsung,clkreq-on; /* needed for UART mode */ + status = "okay"; +}; + +&watchdog_cl0 { + status = "okay"; +}; + +&watchdog_cl1 { + status = "okay"; +}; |