Re: [PATCH 2/2] arm64: dts: bitmain: Add GPIO Line names for Sophon Edge board
From: Manivannan Sadhasivam
Date: Thu Mar 07 2019 - 12:25:11 EST
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
>