Add support for the 32Mb Serial Flash Memory connected to SPI0 and using CS1.
Signed-off-by: Enric Balletbo i Serra <[email protected]> --- arch/arm/boot/dts/am335x-sl50.dts | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm/boot/dts/am335x-sl50.dts b/arch/arm/boot/dts/am335x-sl50.dts index 89ddf26..6f32078 100644 --- a/arch/arm/boot/dts/am335x-sl50.dts +++ b/arch/arm/boot/dts/am335x-sl50.dts @@ -262,6 +262,16 @@ >; }; + spi0_pins: pinmux_spi0_pins { + pinctrl-single,pins = < + AM33XX_IOPAD(0x954, PIN_INPUT_PULLUP | MUX_MODE0) /* SPI0_MOSI - spi0_d0.spi0_d0 */ + AM33XX_IOPAD(0x958, PIN_INPUT_PULLUP | MUX_MODE0) /* SPI0_MISO - spi0_d1.spi0_d1 */ + AM33XX_IOPAD(0x950, PIN_INPUT_PULLUP | MUX_MODE0) /* SPI0_CLK - spi0_clk.spi0_clk */ + AM33XX_IOPAD(0x95c, PIN_INPUT_PULLUP | MUX_MODE0) /* SPI0_CS0 (NBATTSS) - spi0_cs0.spi0_cs0 */ + AM33XX_IOPAD(0x960, PIN_INPUT_PULLUP | MUX_MODE0) /* SPI0_CS1 (FPGA_FLASH_NCS) - spi0_cs1.spi0_cs1 */ + >; + }; + lwb_pins: pinmux_lwb_pins { pinctrl-single,pins = < AM33XX_IOPAD(0x9a4, PIN_OUTPUT | MUX_MODE7) /* SoundPA_en - mcasp0_fsr.gpio3_19 */ @@ -400,6 +410,20 @@ pinctrl-0 = <&uart4_pins>; }; +&spi0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&spi0_pins>; + + flash: n25q032@1 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "micron,n25q032"; + reg = <1>; + spi-max-frequency = <5000000>; + }; +}; + #include "tps65217.dtsi" &tps { -- 2.9.3
