[PATCH 5/5] rockchip: px30: add support for SFC for Odroid Go Advance

[Chris Morgan <macroalpha82@gmail.com>]

From: Chris Morgan <macromorgan@hotmail.com>

The Odroid Go Advance uses a Rockchip Serial Flash Controller
with an XT25F128B SPI NOR flash chip. This adds support for both.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
---
 arch/arm/dts/rk3326-odroid-go2-u-boot.dtsi |  8 ++++++++
 arch/arm/dts/rk3326-odroid-go2.dts         | 22 ++++++++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/arch/arm/dts/rk3326-odroid-go2-u-boot.dtsi b/arch/arm/dts/rk3326-odroid-go2-u-boot.dtsi
index 00767d2abd..7527a6ed0e 100644
--- a/arch/arm/dts/rk3326-odroid-go2-u-boot.dtsi
+++ b/arch/arm/dts/rk3326-odroid-go2-u-boot.dtsi
@@ -57,6 +57,14 @@
 	u-boot,spl-fifo-mode;
 };
 
+&sfc {
+	u-boot,dm-pre-reloc;
+};
+
+&spi_flash {
+	u-boot,dm-pre-reloc;
+};
+
 &uart1 {
 	clock-frequency = <24000000>;
 	u-boot,dm-pre-reloc;
diff --git a/arch/arm/dts/rk3326-odroid-go2.dts b/arch/arm/dts/rk3326-odroid-go2.dts
index 8cd4688c49..eb8a21ce66 100644
--- a/arch/arm/dts/rk3326-odroid-go2.dts
+++ b/arch/arm/dts/rk3326-odroid-go2.dts
@@ -48,6 +48,14 @@
 		};
 	};
 
+	aliases {
+		i2c0 = &i2c0;
+		i2c1 = &i2c1;
+		serial1 = &uart1;
+		serial2 = &uart2;
+		spi0 = &sfc;
+	};
+
 	gpio-keys {
 		compatible = "gpio-keys";
 		pinctrl-names = "default";
@@ -617,6 +625,20 @@
 	status = "okay";
 };
 
+&sfc {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sfc_clk &sfc_cs &sfc_bus2>;
+	status = "okay";
+
+	spi_flash: xt25f128b@0 {
+		reg = <0>;
+		compatible = "xtx,xt25f128b","jedec,spi-nor";
+		spi-max-frequency = <108000000>;
+	};
+};
+
 &tsadc {
 	status = "okay";
 };
-- 
2.25.1