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authorMurali Karicheri <m-karicheri2@ti.com>2017-10-09 19:42:01 +0300
committerSantosh Shilimkar <ssantosh@kernel.org>2017-10-10 19:42:56 +0300
commit1efed4072c5992ede080987e6d83dfead6af126a (patch)
treeefb8ea8c2ddc1c72cbf86732bde2c22e6218c07e /arch/arm/boot/dts/keystone-k2g-evm.dts
parent729ce96967f6f4983e103feddd6b87b33738aa0b (diff)
downloadlinux-1efed4072c5992ede080987e6d83dfead6af126a.tar.xz
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>
Diffstat (limited to 'arch/arm/boot/dts/keystone-k2g-evm.dts')
-rw-r--r--arch/arm/boot/dts/keystone-k2g-evm.dts36
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>;
+ };
+ };
+};