From: Sylvain Lemieux <slemieux@xxxxxxxxxxx> The SSP0/SPI1 and SSP1/SPI2 shared pinout and should be disable by default. Board specific dts should enable them, as needed. Signed-off-by: Sylvain Lemieux <slemieux@xxxxxxxxxxx> --- arch/arm/boot/dts/lpc32xx.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm/boot/dts/lpc32xx.dtsi b/arch/arm/boot/dts/lpc32xx.dtsi index 1b2f351..73c4746 100644 --- a/arch/arm/boot/dts/lpc32xx.dtsi +++ b/arch/arm/boot/dts/lpc32xx.dtsi @@ -162,32 +162,44 @@ compatible = "simple-bus"; ranges = <0x20000000 0x20000000 0x30000000>; + /* + * ssp0 and spi1 are shared pins; + * enable one in your board dts, as needed. + */ ssp0: ssp@20084000 { compatible = "arm,pl022", "arm,primecell"; reg = <0x20084000 0x1000>; interrupts = <20 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clk LPC32XX_CLK_SSP0>; clock-names = "apb_pclk"; + status = "disabled"; }; spi1: spi@20088000 { compatible = "nxp,lpc3220-spi"; reg = <0x20088000 0x1000>; clocks = <&clk LPC32XX_CLK_SPI1>; + status = "disabled"; }; + /* + * ssp1 and spi2 are shared pins; + * enable one in your board dts, as needed. + */ ssp1: ssp@2008c000 { compatible = "arm,pl022", "arm,primecell"; reg = <0x2008c000 0x1000>; interrupts = <21 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clk LPC32XX_CLK_SSP1>; clock-names = "apb_pclk"; + status = "disabled"; }; spi2: spi@20090000 { compatible = "nxp,lpc3220-spi"; reg = <0x20090000 0x1000>; clocks = <&clk LPC32XX_CLK_SPI2>; + status = "disabled"; }; i2s0: i2s@20094000 { -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html