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>

diff --git a/arch/arm/boot/dts/keystone-k2g-evm.dts b/arch/arm/boot/dts/keystone-k2g-evm.dts
index f88833ab44101d978078a0c3906a600919d07264..656af194a518263c08474bb45c162badb907d5c0 100644 (file)
--- 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>;
+               };
+       };
+};