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Date: Tue, 19 May 2015 15:34:12 +0200 From: Javier Martinez Canillas <javier.martinez@...labora.co.uk> To: Mark Brown <broonie@...nel.org> Cc: Kukjin Kim <kgene@...nel.org>, Krzysztof Kozlowski <k.kozlowski@...sung.com>, Olof Johansson <olof@...om.net>, Doug Anderson <dianders@...omium.org>, David Hendricks <dhendrix@...gle.com>, linux-samsung-soc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Simon Glass <sjg@...omium.org>, Javier Martinez Canillas <javier.martinez@...labora.co.uk> Subject: [RFC PATCH 2/4] ARM: dts: Add SPI flash node for Peach boards From: Simon Glass <sjg@...omium.org> 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 <sjg@...omium.org> Reviewed-by: Doug Anderson <dianders@...omium.org> Signed-off-by: Javier Martinez Canillas <javier.martinez@...labora.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 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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