Messages in this thread | | | Date | Tue, 5 Feb 2013 20:50:08 +0100 | From | Jean-Christophe PLAGNIOL-VILLARD <> | Subject | Re: [v4 PATCH 12/12] ARM: dts: add spi nodes for the atmel boards |
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On 15:34 Mon 14 Jan , Wenyou Yang wrote: > From: Richard Genoud <richard.genoud@gmail.com> > > Signed-off-by: Richard Genoud <richard.genoud@gmail.com> > [wenyou.yang@atmel.com: added spi nodes for the sam9263ek, sam9g20ek, sam9m10g45ek and sam9n12ek boards] > Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> > Cc: linux@arm.linux.org.uk > --- > arch/arm/boot/dts/at91sam9263ek.dts | 14 ++++++++++++++ > arch/arm/boot/dts/at91sam9g20ek_common.dtsi | 14 ++++++++++++++ > arch/arm/boot/dts/at91sam9m10g45ek.dts | 14 ++++++++++++++ > arch/arm/boot/dts/at91sam9n12ek.dts | 14 ++++++++++++++ > arch/arm/boot/dts/at91sam9x5ek.dtsi | 14 ++++++++++++++ > 5 files changed, 70 insertions(+) > > diff --git a/arch/arm/boot/dts/at91sam9263ek.dts b/arch/arm/boot/dts/at91sam9263ek.dts > index 1eb0872..63ba57b 100644 > --- a/arch/arm/boot/dts/at91sam9263ek.dts > +++ b/arch/arm/boot/dts/at91sam9263ek.dts > @@ -79,6 +79,20 @@ > }; > }; > }; > + > + spi0: spi@fffa4000 { > + status = "okay"; > + cs-gpios = <&pioA 5 0 > + &pioA 3 0 > + &pioA 4 0 > + &pioB 11 0 NACK
we no use that much as cs-gpios on this hw > + >; > + mtd_dataflash@0 { > + compatible = "atmel,at45", "atmel,dataflash"; > + spi-max-frequency = <50000000>; > + reg = <0>; > + }; > + }; > }; > > nand0: nand@40000000 { > diff --git a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi > index da15e83..49ad49e 100644 > --- a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi > +++ b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi > @@ -96,6 +96,20 @@ > status = "okay"; > pinctrl-0 = <&pinctrl_ssc0_tx>; > }; > + > + spi0: spi@fffc8000 { > + status = "okay"; > + cs-gpios = <&pioA 3 0 > + &pioC 11 0 > + &pioC 16 0 > + &pioC 17 0 ditto and so on
you must only provife the gpio use by the hw > + >; > + mtd_dataflash@0 { > + compatible = "atmel,at45", "atmel,dataflash"; > + spi-max-frequency = <50000000>; > + reg = <1>; > + }; > + }; > }; > > nand0: nand@40000000 { > diff --git a/arch/arm/boot/dts/at91sam9m10g45ek.dts b/arch/arm/boot/dts/at91sam9m10g45ek.dts > index 20c3191..275f22d 100644 > --- a/arch/arm/boot/dts/at91sam9m10g45ek.dts > +++ b/arch/arm/boot/dts/at91sam9m10g45ek.dts > @@ -102,6 +102,20 @@ > }; > }; > }; > + > + spi0: spi@fffa4000{ > + status = "okay"; > + cs-gpios = <&pioB 3 0 > + &pioB 18 0 > + &pioB 19 0 > + &pioD 27 0 > + >; > + mtd_dataflash@0 { > + compatible = "atmel,at45", "atmel,dataflash"; > + spi-max-frequency = <13000000>; > + reg = <0>; > + }; > + }; > }; > > nand0: nand@40000000 { > diff --git a/arch/arm/boot/dts/at91sam9n12ek.dts b/arch/arm/boot/dts/at91sam9n12ek.dts > index 0376bf4..4eeca7b 100644 > --- a/arch/arm/boot/dts/at91sam9n12ek.dts > +++ b/arch/arm/boot/dts/at91sam9n12ek.dts > @@ -67,6 +67,20 @@ > }; > }; > }; > + > + spi0: spi@f0000000 { > + status = "okay"; > + cs-gpios = <&pioA 14 0 > + &pioA 7 0 > + &pioA 1 0 > + &pioB 3 0 > + >; > + m25p80@0 { > + compatible = "atmel,at25df321a"; > + spi-max-frequency = <50000000>; > + reg = <0>; > + }; > + }; > }; > > nand0: nand@40000000 { > diff --git a/arch/arm/boot/dts/at91sam9x5ek.dtsi b/arch/arm/boot/dts/at91sam9x5ek.dtsi > index 8a7cf1d..ca0a056 100644 > --- a/arch/arm/boot/dts/at91sam9x5ek.dtsi > +++ b/arch/arm/boot/dts/at91sam9x5ek.dtsi > @@ -84,6 +84,20 @@ > }; > }; > }; > + > + spi0: spi@f0000000 { > + status = "okay"; > + cs-gpios = <&pioA 14 0 > + &pioA 7 0 > + &pioA 1 0 > + &pioB 3 0 > + >; > + m25p80@0 { > + compatible = "atmel,at25df321a"; > + spi-max-frequency = <50000000>; > + reg = <0>; > + }; > + }; > }; > > usb0: ohci@00600000 { > -- > 1.7.9.5 >
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