From: Simon Glass <[email protected]>

Peach Pit and Pi machines have a SPI flash memory that is used to
store firmware and different system parameters and data.

Add information about the SPI flash chip so that user-space tools
can access it.

Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Doug Anderson <[email protected]>
Signed-off-by: Javier Martinez Canillas <[email protected]>
---
 arch/arm/boot/dts/exynos5420-peach-pit.dts | 26 ++++++++++++++++++++++++++
 arch/arm/boot/dts/exynos5800-peach-pi.dts  | 26 ++++++++++++++++++++++++++
 2 files changed, 52 insertions(+)

diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts 
b/arch/arm/boot/dts/exynos5420-peach-pit.dts
index 146e71118a72..8e88088d6815 100644
--- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
@@ -892,6 +892,13 @@
                samsung,pin-drv = <2>;
        };
 
+       spi_flash_cs: spi-flash-cs {
+               samsung,pins = "gpa2-5";
+               samsung,pin-function = <1>;
+               samsung,pin-pud = <0>;
+               samsung,pin-drv = <3>;
+       };
+
        usb300_vbus_en: usb300-vbus-en {
                samsung,pins = "gph0-0";
                samsung,pin-function = <1>;
@@ -921,6 +928,25 @@
        clock-names = "rtc", "rtc_src";
 };
 
+&spi_1 {
+       status = "okay";
+       samsung,spi-src-clk = <0>;
+       num-cs = <1>;
+       cs-gpios = <&gpa2 5 0>;
+
+       spidev@0 {
+               compatible = "google,spi-flash";
+               reg = <0>;
+               spi-max-frequency = <50000000>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&spi_flash_cs>;
+
+               controller-data {
+                       samsung,spi-feedback-delay = <2>;
+               };
+       };
+};
+
 &spi_2 {
        status = "okay";
        num-cs = <1>;
diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts 
b/arch/arm/boot/dts/exynos5800-peach-pi.dts
index 02eb8b15374f..f2b89991b224 100644
--- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
+++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
@@ -855,6 +855,13 @@
                samsung,pin-drv = <2>;
        };
 
+       spi_flash_cs: spi-flash-cs {
+               samsung,pins = "gpa2-5";
+               samsung,pin-function = <1>;
+               samsung,pin-pud = <0>;
+               samsung,pin-drv = <3>;
+       };
+
        usb300_vbus_en: usb300-vbus-en {
                samsung,pins = "gph0-0";
                samsung,pin-function = <1>;
@@ -884,6 +891,25 @@
        clock-names = "rtc", "rtc_src";
 };
 
+&spi_1 {
+       status = "okay";
+       samsung,spi-src-clk = <0>;
+       num-cs = <1>;
+       cs-gpios = <&gpa2 5 0>;
+
+       spidev@0 {
+               compatible = "google,spi-flash";
+               reg = <0>;
+               spi-max-frequency = <50000000>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&spi_flash_cs>;
+
+               controller-data {
+                       samsung,spi-feedback-delay = <2>;
+               };
+       };
+};
+
 &spi_2 {
        status = "okay";
        num-cs = <1>;
-- 
2.1.4

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