// SPDX-License-Identifier: GPL-2.0 /* * dts file for Hisilicon HiKey970 Development Board * * Copyright (C) 2016, Hisilicon Ltd. * Copyright (C) 2018, Linaro Ltd. * */ /dts-v1/; #include #include "hi3670.dtsi" #include "hikey970-pinctrl.dtsi" / { model = "HiKey970"; compatible = "hisilicon,hi3670-hikey970", "hisilicon,hi3670"; aliases { mshc1 = &dwmmc1; mshc2 = &dwmmc2; serial0 = &uart0; serial1 = &uart1; serial2 = &uart2; serial3 = &uart3; serial4 = &uart4; serial5 = &uart5; serial6 = &uart6; /* console UART */ }; chosen { stdout-path = "serial6:115200n8"; }; memory@0 { device_type = "memory"; /* expect bootloader to fill in this region */ reg = <0x0 0x0 0x0 0x0>; }; sd_1v8: regulator-1v8 { compatible = "regulator-fixed"; regulator-name = "fixed-1.8V"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-always-on; }; sd_3v3: regulator-3v3 { compatible = "regulator-fixed"; regulator-name = "fixed-3.3V"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-boot-on; regulator-always-on; }; wlan_en: wlan-en-1-8v { compatible = "regulator-fixed"; regulator-name = "wlan-en-regulator"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; /* GPIO_051_WIFI_EN */ gpio = <&gpio6 3 0>; /* WLAN card specific delay */ startup-delay-us = <70000>; enable-active-high; }; }; /* * Legend: proper name = the GPIO line is used as GPIO * NC = not connected (pin out but not routed from the chip to * anything the board) * "[PER]" = pin is muxed for [peripheral] (not GPIO) * "" = no idea, schematic doesn't say, could be * unrouted (not connected to any external pin) * LSEC = Low Speed External Connector * HSEC = High Speed External Connector * * Line names are taken from "hikey970-schematics.pdf" from HiSilicon. * * For the lines routed to the external connectors the * lines are named after the 96Boards CE Specification 1.0, * Appendix "Expansion Connector Signal Description". * * When the 96Board naming of a line and the schematic name of * the same line are in conflict, the 96Board specification * takes precedence, which means that the external UART on the * LSEC is named UART0 while the schematic and SoC names this * UART2. This is only for the informational lines i.e. "[FOO]", * the GPIO named lines "GPIO-A" thru "GPIO-L" are the only * ones actually used for GPIO. */ &gpio0 { /* GPIO_000-GPIO_007 */ gpio-line-names = "", "TP901", /* TEST_MODE connected to TP901 */ "", "GPIO_003_USB_HUB_RESET_N", "NC", "[AP_GPS_REF_CLK]", "[I2C3_SCL]", "[I2C3_SDA]"; }; &gpio1 { /* GPIO_008-GPIO_015 */ gpio-line-names = "[UART0_CTS]", /* LSEC pin 3: GPIO_008_UART2_CTS_N */ "[UART0_RTS]", /* LSEC pin 9: GPIO_009_UART2_RTS_N */ "[UART0_TXD]", /* LSEC pin 5: GPIO_010_UART2_TXD */ "[UART0_RXD]", /* LSEC pin 7: GPIO_011_UART2_RXD */ "[USER_LED5]", "GPIO-I", /* LSEC pin 31: GPIO_013_CAM0_RST_N */ "[USER_LED3]", "[USER_LED4]"; }; &gpio2 { /* GPIO_016-GPIO_023 */ gpio-line-names = "GPIO-G", /* LSEC pin 29: GPIO_016_LCD_TE0 */ "[CSI0_MCLK]", /* HSEC pin 15: ISP_CCLK0_MCAM */ "[CSI1_MCLK]", /* HSEC pin 17: ISP_CCLK1_SCAM */ "GPIO_019_BT_ACTIVE", "[I2C2_SCL]", /* HSEC pin 32: ISP_SCL0 */ "[I2C2_SDA]", /* HSEC pin 34: ISP_SDA0 */ "[I2C3_SCL]", /* HSEC pin 36: ISP_SCL1 */ "[I2C3_SDA]"; /* HSEC pin 38: ISP_SDA1 */ }; &gpio3 { /* GPIO_024-GPIO_031 */ gpio-line-names = "GPIO_024_WIFI_ACTIVE", "GPIO_025_PERST_M.2", "[I2C4_SCL]", "[I2C4_SDA]", "NC", "GPIO-H", /* LSEC pin 30: GPIO_029_LCD_RST_N */ "[USER_LED1]", "GPIO-L"; /* LSEC pin 34: GPIO_031 */ }; &gpio4 { /* GPIO_032-GPIO_039 */ gpio-line-names = "GPIO-K", /* LSEC pin 33: GPIO_032_CAM1_RST_N */ "GPIO_033_PMU1_EN", "GPIO_034_USBSW_SEL", /* * These two pins should be used for SD(IO) data according * to the 96boards specification but seems to be repurposed * for UART 0. They are however named according to the spec. */ "[SD_DAT1]", /* HSEC pin 3: GPIO_035_UART0_RXD */ "[SD_DAT2]", /* HSEC pin 5: GPIO_036_UART0_TXD */ "[UART1_RXD]", /* LSEC pin 13: DEBUG_UART6_RXD */ "[UART1_TXD]", /* LSEC pin 11: DEBUG_UART6_TXD */ "[SOC_GPS_UART3_CTS_N]"; /* TP2304 */ }; &gpio5 { /* GPIO_040-GPIO_047 */ gpio-line-names = "[SOC_GPS_UART3_RTS_N]", /* TP2302 */ "[SOC_GPS_UART3_RXD]", /* TP2303 */ "[SOC_GPS_UART3_TXD]", /* TP2305 */ "[SOC_BT_UART4_CTS_N]", "[SOC_BT_UART4_RTS_N]", "[SOC_BT_UART4_RXD]", "[SOC_BT_UART4_TXD]", "NC"; }; &gpio6 { /* GPIO_048-GPIO_055 */ gpio-line-names = "NC", "GPIO_049_USER_LED6", "GPIO_050_CAN_RST", "GPIO_051_WIFI_EN", "GPIO-D", /* LSEC pin 26 */ "GPIO-J", /* LSEC pin 32 */ "GPIO_054_BT_EN", "[GPIO_055_SEL]"; }; &gpio7 { /* GPIO_056-GPIO_063 */ gpio-line-names = "[PCIE_PERST_L]", "NC", "NC", "NC", "NC", "NC", "NC", "NC"; }; &gpio8 { /* GPIO_064-GPIO_071 */ gpio-line-names = "NC", "NC", "NC", "NC", "NC", "NC", "NC", "NC"; }; &gpio9 { /* GPIO_072-GPIO_079 */ gpio-line-names = "NC", "NC", "NC", "NC", "NC", "NC", "NC", "NC"; }; &gpio10 { /* GPIO_080-GPIO_087 */ gpio-line-names = "NC", "NC", "NC", "NC", "NC", "NC", "NC", "NC"; }; &gpio11 { /* GPIO_088-GPIO_095 */ gpio-line-names = "NC", "NC", "NC", "NC", "NC", "NC", "NC", "NC"; }; &gpio12 { /* GPIO_096-GPIO_103 */ gpio-line-names = "NC", "", "", "", "", "", "", ""; }; &gpio13 { /* GPIO_104-GPIO_111 */ gpio-line-names = "", "", "", "", "", "", "", ""; }; &gpio14 { /* GPIO_112-GPIO_119 */ gpio-line-names = "", "", "", "", "", "", "", ""; }; &gpio15 { /* GPIO_120-GPIO_127 */ gpio-line-names = "", "", "", "", "", "", "", ""; }; &gpio16 { /* GPIO_128-GPIO_135 */ gpio-line-names = "[WL_SDIO_CLK]", "[WL_SDIO_CMD]", "[WL_SDIO_DATA0]", "[WL_SDIO_DATA1]", "[WL_SDIO_DATA2]", "[WL_SDIO_DATA3]", "[ETH_ISOLATE]", "NC"; }; &gpio17 { /* GPIO_136-GPIO_143 */ gpio-line-names = "[MINI1CLK_EN]", "NC", "", "", "", "", "", ""; }; &gpio18 { /* GPIO_144-GPIO_151 */ gpio-line-names = "[SPI1_SCLK]", /* HSEC pin 9: GPIO_144_SPI3_CLK */ "[SPI1_DIN]", /* HSEC pin 11: GPIO_145_SPI3_DI */ "[SPI1_DOUT]", /* HSEC pin 1: GPIO_146_SPI3_DO */ "[SPI1_CS]", /* HSEC pin 7: GPIO_147_SPI3_CS0_N */ "[POWER_INT_N]", "[CDMA_GPS_SYNC]", "GPIO_150_PEX_INTA", "GPIO_151_CAN_INT"; }; &gpio19 { /* GPIO_152-GPIO_159 */ gpio-line-names = "", "", "", "", "", "", "", ""; }; &gpio20 { /* GPIO_160-GPIO_167 */ gpio-line-names = "[SD_CLK]", "[SD_CMD]", "[SD_DATA0]", "[SD_DATA1]", "[SD_DATA2]", "[SD_DATA3]", "GPIO_166_ETHCLK_EN", "GPIO_167_USER_LED2"; }; &gpio21 { /* GPIO_168-GPIO_175 */ gpio-line-names = "GPIO_168_GPS_EN", "GPIO-C", /* LSEC pin 25: GPIO_169_USIM1_CLK */ "GPIO-E", /* LSEC pin 27: GPIO_170_USIM1_RST */ "GPIO-B", /* LSEC pin 24: GPIO_171_USIM1_DATA */ "", "", "", "", ""; }; &gpio22 { /* GPIO_176-GPIO_183 */ gpio-line-names = "[PMU_PWR_HOLD]", "GPIO_177_WL_WAKEUP_AP", "[JTAG_TCK]", "[JTAG_TMS]", "[JTAG_TDI]", "[JTAG_TMS]", "GPIO_182_FATAL_ERR", "NC"; }; &gpio23 { /* GPIO_184-GPIO_191 */ gpio-line-names = "GPIO_184_JTAG_SEL", "GPIO-F", /* LSEC pin 28: GPIO_185_LCD_BL_PWM */ "[I2C0_SCL]", /* LSEC pin 15: GPIO_186_I2C0_SCL */ "[I2C0_SDA]", /* LSEC pin 17: GPIO_187_I2C0_SDA */ "[GPIO_188_I2C1_SCL]", /* Actual SoC I2C1_SCL */ "[GPIO_189_I2C1_SDA]", /* Actual SoC I2C1_SDA */ "[I2C1_SCL]", /* LSEC pin 19: GPIO_190_I2C2_SCL */ "[I2C2_SDA]"; /* LSEC pin 21: GPIO_191_I2C2_SDA */ }; &gpio24 { /* GPIO_192-GPIO_199 */ gpio-line-names = "[SD_LED]", "NC", "[PCM_DI]", /* LSEC pin 22: GPIO_194_I2S0_DI */ "[PCM_DO]", /* LSEC pin 20: GPIO_195_I2S0_DO */ "[PCM_CLK]", /* LSEC pin 18: GPIO_196_I2S0_XCLK */ "[PCM_FS]", /* LSEC pin 16: GPIO_197_I2S0_XFS */ "", "[I2S2_DO]"; }; &gpio25 { /* GPIO_200-GPIO_207 */ gpio-line-names = "[I2S2_XCLK]", "[I2S2_XFS]", "GPIO_202_PERST_ETH", "GPIO_203_PWRON_DET", "GPIO_204_PMU1_IRQ_N", "GPIO_205_SD_DET", "GPIO_206_GPS_MOTION_INT", "GPIO_207_HDMI_SEL"; }; &gpio26 { /* GPIO_208-GPIO_215 */ gpio-line-names = "GPIO-A", /* LSEC pin 23: GPIO_208_WAKEUP_SOC */ "GPIO_209_VBUS_TYPEC", "NC", "NC", "NC", "[SPI0_SCLK]", /* LSEC pin 8: GPIO_213_SPI2_CLK */ "[SPI0_DIN]", /* LSEC pin 10: GPIO_214_SPI2_DI */ "[SPI0_DOUT]"; /* LSEC pin 14: GPIO_215_SPI2_DO */ }; &gpio27 { /* GPIO_216-GPIO_223 */ gpio-line-names = "[SPI0_CS]", /* LSEC pin 12: GPIO_216_SPI2_CS0_N */ "GPIO_217_HDMI_PD", "GPIO_218_GPS_WAKEUP_AP", "GPIO_219_M.2CLK_EN", "GPIO_220_PERST_MINI", "GPIO_221_CC_INT", "[PCIE_CLKREQ_L]", "NC"; }; &gpio28 { /* GPIO_224-GPIO_231 */ gpio-line-names = "[PMU0_INT]", "[SPMI_DATA]", "[SPMI_CLK]", "[CAN_SPI_CLK]", "[CAN_SPI_DI]", "[CAN_SPI_DO]", "[CAN_SPI_CS]", "GPIO_231_HDMI_INT"; }; &dwmmc1 { bus-width = <0x4>; sd-uhs-sdr12; sd-uhs-sdr25; sd-uhs-sdr50; sd-uhs-sdr104; cap-sd-highspeed; disable-wp; cd-inverted; cd-gpios = <&gpio25 5 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&sd_pmx_func &sd_clk_cfg_func &sd_cfg_func>; vmmc-supply = <&sd_3v3>; vqmmc-supply = <&sd_1v8>; status = "okay"; }; &dwmmc2 { /* WIFI */ bus-width = <0x4>; non-removable; broken-cd; cap-power-off-card; pinctrl-names = "default"; pinctrl-0 = <&sdio_pmx_func &sdio_clk_cfg_func &sdio_cfg_func>; /* WL_EN */ vmmc-supply = <&wlan_en>; status = "ok"; wlcore: wlcore@2 { compatible = "ti,wl1837"; reg = <2>; /* sdio func num */ /* WL_IRQ, GPIO_177_WL_WAKEUP_AP */ interrupt-parent = <&gpio22>; interrupts = <1 IRQ_TYPE_EDGE_RISING>; }; }; &uart0 { /* On High speed expansion header */ label = "HS-UART0"; status = "okay"; }; &uart2 { /* On Low speed expansion header */ label = "LS-UART0"; status = "okay"; }; &uart6 { /* On Low speed expansion header */ label = "LS-UART1"; status = "okay"; };