From: Murali Karicheri <[email protected]> K2G EVM has n25q128a13 SPI NOR flash on SPI1. Enable SPI1 in the DT node as well as add a subnode for the SPI NOR.
Signed-off-by: Murali Karicheri <[email protected]> Signed-off-by: Franklin S Cooper Jr <[email protected]> --- arch/arm/boot/dts/keystone-k2g-evm.dts | 37 ++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/arch/arm/boot/dts/keystone-k2g-evm.dts b/arch/arm/boot/dts/keystone-k2g-evm.dts index f462f10..d5c43c7 100644 --- a/arch/arm/boot/dts/keystone-k2g-evm.dts +++ b/arch/arm/boot/dts/keystone-k2g-evm.dts @@ -81,6 +81,16 @@ K2G_CORE_IOPAD(0x1110) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0) /* mmc1_cmd.mmc1_cmd */ >; }; + + spi1_pins: pinmux_spi1_pins { + pinctrl-single,pins = < + K2G_CORE_IOPAD(0x11a4) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* spi1_scs0.spi1_scs0 */ + K2G_CORE_IOPAD(0x11ac) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* spi1_clk.spi1_clk */ + K2G_CORE_IOPAD(0x11b0) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* spi1_miso.spi1_miso */ + K2G_CORE_IOPAD(0x11b4) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* spi1_mosi.spi1_mosi */ + >; + }; + }; &uart0 { @@ -112,3 +122,30 @@ memory-region = <&dsp_common_memory>; status = "okay"; }; + +&spi1 { + pinctrl-names = "default"; + pinctrl-0 = <&spi1_pins>; + status = "okay"; + + spi_nor: flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "jedec,spi-nor"; + spi-max-frequency = <5000000>; + m25p,fast-read; + reg = <0>; + + partition@0 { + label = "u-boot-spl"; + reg = <0x0 0x100000>; + read-only; + }; + + partition@1 { + label = "misc"; + reg = <0x100000 0xf00000>; + }; + }; +}; + -- 2.9.4.dirty
