On Tue, Feb 26, 2019 at 05:20:22PM +0530, Manivannan Sadhasivam wrote: > Add GPIO line names for Sophon Edge board based on BM1880 SoC from > Bitmain. Line names are based on the board schematics as well as the > 96Boards Consumer Edition specification v1.0. > Applied for v5.2 with Linus's Reviewed-by tag. Thanks, Mani > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> > --- > .../boot/dts/bitmain/bm1880-sophon-edge.dts | 114 ++++++++++++++++++ > 1 file changed, 114 insertions(+) > > diff --git a/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts > index 6a3255597138..6bdf4c101c61 100644 > --- a/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts > +++ b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts > @@ -8,6 +8,28 @@ > > #include "bm1880.dtsi" > > +/* > + * GPIO name 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) > + * LSEC = Low Speed External Connector > + * HSEC = High Speed External Connector > + * > + * Line names are taken from the schematic "sophon-edge-schematics" > + * version, 1.0210. > + * > + * 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. 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. > + */ > + > / { > compatible = "bitmain,sophon-edge", "bitmain,bm1880"; > model = "Sophon Edge"; > @@ -32,6 +54,98 @@ > clock-frequency = <500000000>; > #clock-cells = <0>; > }; > + > + soc { > + gpio0: gpio@50027000 { > + porta: gpio-controller@0 { > + gpio-line-names = > + "GPIO-A", /* GPIO0, LSEC pin 23 */ > + "GPIO-C", /* GPIO1, LSEC pin 25 */ > + "[GPIO2_PHY0_RST]", /* GPIO2 */ > + "GPIO-E", /* GPIO3, LSEC pin 27 */ > + "[USB_DET]", /* GPIO4 */ > + "[EN_P5V]", /* GPIO5 */ > + "[VDDIO_MS1_SEL]", /* GPIO6 */ > + "GPIO-G", /* GPIO7, LSEC pin 29 */ > + "[BM_TUSB_RST_L]", /* GPIO8 */ > + "[EN_P5V_USBHUB]", /* GPIO9 */ > + "NC", > + "LED_WIFI", /* GPIO11 */ > + "LED_BT", /* GPIO12 */ > + "[BM_BLM8221_EN_L]", /* GPIO13 */ > + "NC", /* GPIO14 */ > + "NC", /* GPIO15 */ > + "NC", /* GPIO16 */ > + "NC", /* GPIO17 */ > + "NC", /* GPIO18 */ > + "NC", /* GPIO19 */ > + "NC", /* GPIO20 */ > + "NC", /* GPIO21 */ > + "NC", /* GPIO22 */ > + "NC", /* GPIO23 */ > + "NC", /* GPIO24 */ > + "NC", /* GPIO25 */ > + "NC", /* GPIO26 */ > + "NC", /* GPIO27 */ > + "NC", /* GPIO28 */ > + "NC", /* GPIO29 */ > + "NC", /* GPIO30 */ > + "NC"; /* GPIO31 */ > + }; > + }; > + > + gpio1: gpio@50027400 { > + portb: gpio-controller@0 { > + gpio-line-names = > + "NC", /* GPIO32 */ > + "NC", /* GPIO33 */ > + "[I2C0_SDA]", /* GPIO34, LSEC pin 17 */ > + "[I2C0_SCL]", /* GPIO35, LSEC pin 15 */ > + "[JTAG0_TDO]", /* GPIO36 */ > + "[JTAG0_TCK]", /* GPIO37 */ > + "[JTAG0_TDI]", /* GPIO38 */ > + "[JTAG0_TMS]", /* GPIO39 */ > + "[JTAG0_TRST_X]", /* GPIO40 */ > + "[JTAG1_TDO]", /* GPIO41 */ > + "[JTAG1_TCK]", /* GPIO42 */ > + "[JTAG1_TDI]", /* GPIO43 */ > + "[CPU_TX]", /* GPIO44 */ > + "[CPU_RX]", /* GPIO45 */ > + "[UART1_TXD]", /* GPIO46 */ > + "[UART1_RXD]", /* GPIO47 */ > + "[UART0_TXD]", /* GPIO48 */ > + "[UART0_RXD]", /* GPIO49 */ > + "GPIO-I", /* GPIO50, LSEC pin 31 */ > + "GPIO-K", /* GPIO51, LSEC pin 33 */ > + "USER_LED2", /* GPIO52 */ > + "USER_LED1", /* GPIO53 */ > + "[UART0_RTS]", /* GPIO54 */ > + "[UART0_CTS]", /* GPIO55 */ > + "USER_LED4", /* GPIO56, JTAG1_TRST_X */ > + "USER_LED3", /* GPIO57, JTAG1_TMS */ > + "[I2S0_SCLK]", /* GPIO58 */ > + "[I2S0_FS]", /* GPIO59 */ > + "[I2S0_SDI]", /* GPIO60 */ > + "[I2S0_SDO]", /* GPIO61 */ > + "GPIO-B", /* GPIO62, LSEC pin 24 */ > + "GPIO-F"; /* GPIO63, I2S1_SCLK, LSEC pin 28 */ > + }; > + }; > + > + gpio2: gpio@50027800 { > + portc: gpio-controller@0 { > + gpio-line-names = > + "GPIO-D", /* GPIO64, I2S1_FS, LSEC pin 26 */ > + "GPIO-J", /* GPIO65, I2S1_SDI, LSEC pin 32 */ > + "GPIO-H", /* GPIO66, I2S1_SDO, LSEC pin 30 */ > + "GPIO-L", /* GPIO67, LSEC pin 34 */ > + "[SPI0_CS]", /* GPIO68, SPI1_CS, LSEC pin 12 */ > + "[SPI0_DIN]", /* GPIO69, SPI1_SDI, LSEC pin 10 */ > + "[SPI0_DOUT]", /* GPIO70, SPI1_SDO, LSEC pin 14 */ > + "[SPI0_SCLK]"; /* GPIO71, SPI1_SCK, LSEC pin 8 */ > + }; > + }; > + }; > }; > > &uart0 { > -- > 2.17.1 >