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| author | Murali Karicheri <m-karicheri2@ti.com> | 2017-10-09 18:42:01 +0200 |
|---|---|---|
| committer | Santosh Shilimkar <ssantosh@kernel.org> | 2017-10-10 18:42:56 +0200 |
| commit | 1efed4072c5992ede080987e6d83dfead6af126a (patch) | |
| tree | efb8ea8c2ddc1c72cbf86732bde2c22e6218c07e | |
| parent | ARM: dts: keystone-k2g: Add SPI nodes (diff) | |
| download | linux-1efed4072c5992ede080987e6d83dfead6af126a.tar.xz linux-1efed4072c5992ede080987e6d83dfead6af126a.zip | |
ARM: dts: keystone-k2g-evm: add bindings for SPI NOR flash
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 <m-karicheri2@ti.com>
Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
| -rw-r--r-- | arch/arm/boot/dts/keystone-k2g-evm.dts | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/keystone-k2g-evm.dts b/arch/arm/boot/dts/keystone-k2g-evm.dts index f88833ab4410..656af194a518 100644 --- a/arch/arm/boot/dts/keystone-k2g-evm.dts +++ b/arch/arm/boot/dts/keystone-k2g-evm.dts @@ -51,6 +51,16 @@ K2G_CORE_IOPAD(0x1374) (BUFFER_CLASS_B | MUX_MODE4) /* pr1_mdio_data.ecap0_in_apwm0_out */ >; }; + + 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 */ + >; + }; + }; &k2g_pinctrl { @@ -169,3 +179,29 @@ pinctrl-names = "default"; pinctrl-0 = <&ecap0_pins>; }; + +&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>; + }; + }; +}; |