diff options
Diffstat (limited to 'dts/src/arm64/hisilicon/hi6220-hikey.dts')
| -rw-r--r-- | dts/src/arm64/hisilicon/hi6220-hikey.dts | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/dts/src/arm64/hisilicon/hi6220-hikey.dts b/dts/src/arm64/hisilicon/hi6220-hikey.dts index e92a30c87a..593c7e43de 100644 --- a/dts/src/arm64/hisilicon/hi6220-hikey.dts +++ b/dts/src/arm64/hisilicon/hi6220-hikey.dts @@ -66,6 +66,149 @@ status = "ok"; }; + /* + * Legend: proper name = the GPIO line is used as GPIO + * NC = not connected (not routed from the SoC) + * "[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 + * + * Pin assignments taken from LeMaker and CircuitCo Schematics + * Rev A1. + * + * 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@f8011000 { + gpio-line-names = "PWR_HOLD", "DSI_SEL", + "USB_HUB_RESET_N", "USB_SEL", "HDMI_PD", "WL_REG_ON", + "PWRON_DET", "5V_HUB_EN"; + }; + + gpio1: gpio@f8012000 { + gpio-line-names = "SD_DET", "HDMI_INT", "PMU_IRQ_N", + "WL_HOST_WAKE", "NC", "NC", "NC", "BT_REG_ON"; + }; + + gpio2: gpio@f8013000 { + gpio-line-names = + "GPIO-A", /* LSEC Pin 23: GPIO2_0 */ + "GPIO-B", /* LSEC Pin 24: GPIO2_1 */ + "GPIO-C", /* LSEC Pin 25: GPIO2_2 */ + "GPIO-D", /* LSEC Pin 26: GPIO2_3 */ + "GPIO-E", /* LSEC Pin 27: GPIO2_4 */ + "USB_ID_DET", "USB_VBUS_DET", + "GPIO-H"; /* LSEC Pin 30: GPIO2_7 */ + }; + + gpio3: gpio@f8014000 { + gpio-line-names = "GPIO3_0", "NC", "NC", "", "NC", "", + "WLAN_ACTIVE", "NC", "NC"; + }; + + gpio4: gpio@f7020000 { + gpio-line-names = "USER_LED1", "USER_LED2", "USER_LED3", + "USER_LED4", "SD_SEL", "NC", "NC", "BT_ACTIVE"; + }; + + gpio5: gpio@f7021000 { + gpio-line-names = "NC", "NC", + "[UART1_RxD]", /* LSEC Pin 11: UART3_RX */ + "[UART1_TxD]", /* LSEC Pin 13: UART3_TX */ + "[AUX_SSI1]", "NC", + "[PCM_CLK]", /* LSEC Pin 18: MODEM_PCM_XCLK */ + "[PCM_FS]"; /* LSEC Pin 16: MODEM_PCM_XFS */ + }; + + gpio6: gpio@f7022000 { + gpio-line-names = + "[SPI0_DIN]", /* Pin 10: SPI0_DI */ + "[SPI0_DOUT]", /* Pin 14: SPI0_DO */ + "[SPI0_CS]", /* Pin 12: SPI0_CS_N */ + "[SPI0_SCLK]", /* Pin 8: SPI0_SCLK */ + "NC", "NC", "NC", + "GPIO-G"; /* Pin 29: GPIO6_7_DSI_TE0 */ + }; + + gpio7: gpio@f7023000 { + gpio-line-names = "NC", "NC", "NC", "NC", + "[PCM_DI]", /* Pin 22: MODEM_PCM_DI */ + "[PCM_DO]", /* Pin 20: MODEM_PCM_DO */ + "NC", "NC"; + }; + + gpio8: gpio@f7024000 { + gpio-line-names = "NC", "[CEC_CLK_19_2MHZ]", "NC", + "", "", "", "", "", ""; + }; + + gpio9: gpio@f7025000 { + gpio-line-names = "", + "GPIO-J", /* LSEC Pin 32: ISP_PWDN0_GPIO9_1 */ + "GPIO-L", /* LSEC Pin 34: ISP_PWDN1_GPIO9_2 */ + "NC", "NC", "NC", "NC", "[ISP_CCLK0]"; + }; + + gpio10: gpio@f7026000 { + gpio-line-names = "BOOT_SEL", + "[ISP_CCLK1]", + "GPIO-I", /* LSEC Pin 31: ISP_RSTB0_GPIO10_2 */ + "GPIO-K", /* LSEC Pin 33: ISP_RSTB1_GPIO10_3 */ + "NC", "NC", + "[I2C2_SDA]", /* HSEC Pin 34: ISP0_SDA */ + "[I2C2_SCL]"; /* HSEC Pin 32: ISP0_SCL */ + }; + + gpio11: gpio@f7027000 { + gpio-line-names = + "[I2C3_SDA]", /* HSEC Pin 38: ISP1_SDA */ + "[I2C3_SCL]", /* HSEC Pin 36: ISP1_SCL */ + "", "NC", "NC", "NC", "", ""; + }; + + gpio12: gpio@f7028000 { + gpio-line-names = "[BT_PCM_XFS]", "[BT_PCM_DI]", + "[BT_PCM_DO]", + "NC", "NC", "NC", "NC", + "GPIO-F"; /* LSEC Pin 28: BL_PWM_GPIO12_7 */ + }; + + gpio13: gpio@f7029000 { + gpio-line-names = "[UART0_RX]", "[UART0_TX]", + "[BT_UART1_CTS]", "[BT_UART1_RTS]", + "[BT_UART1_RX]", "[BT_UART1_TX]", + "[UART0_CTS]", /* LSEC Pin 3: UART2_CTS_N */ + "[UART0_RTS]"; /* LSEC Pin 9: UART2_RTS_N */ + }; + + gpio14: gpio@f702a000 { + gpio-line-names = + "[UART0_RxD]", /* LSEC Pin 7: UART2_RX */ + "[UART0_TxD]", /* LSEC Pin 5: UART2_TX */ + "[I2C0_SCL]", /* LSEC Pin 15: I2C0_SCL */ + "[I2C0_SDA]", /* LSEC Pin 17: I2C0_SDA */ + "[I2C1_SCL]", /* LSEC Pin 19: I2C1_SCL */ + "[I2C1_SDA]", /* LSEC Pin 21: I2C1_SDA */ + "[I2C2_SCL]", "[I2C2_SDA]"; + }; + + gpio15: gpio@f702b000 { + gpio-line-names = "", "", "", "", "", "", "NC", ""; + }; + + /* GPIO blocks 16 thru 19 do not appear to be routed to pins */ + dwmmc_2: dwmmc2@f723f000 { ti,non-removable; non-removable; |