Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Javier Martinez Canillas <> | Subject | [PATCH 1/3] ARM: dts: Add SPI flash node for Peach boards | Date | Mon, 17 Nov 2014 18:43:02 +0100 |
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From: Simon Glass <sjg@chromium.org>
Peach Pit and Pi machines have a SPI flash memory that is used to store firmware data and different system parameters.
Add a spidev node so the flash chip can be accessed by user-space tools.
Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Doug Anderson <dianders@chromium.org> [javier.martinez: Extend commit message] Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> --- 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 9a050e1..e7c2a9f 100644 --- a/arch/arm/boot/dts/exynos5420-peach-pit.dts +++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts @@ -703,6 +703,13 @@ 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>; @@ -732,6 +739,25 @@ 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 = "spidev"; + 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 e8fdda8..7a0a2a6 100644 --- a/arch/arm/boot/dts/exynos5800-peach-pi.dts +++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts @@ -691,6 +691,13 @@ 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>; @@ -720,6 +727,25 @@ 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 = "spidev"; + 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>; -- 2.1.0
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