From: Murali Karicheri <m-karicheri2@xxxxxx>
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@xxxxxx>
Signed-off-by: Franklin S Cooper Jr <fcooper@xxxxxx>
---
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
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