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>

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>;
+                };
+        };
+};