Messages in this thread | | | Date | Wed, 20 Nov 2013 16:00:36 +0100 | From | Jean-Christophe PLAGNIOL-VILLARD <> | Subject | Re: [PATCH 6/9] ARM: at91/dt: add spi0 support to at91rm9200ek board |
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On 13:07 Wed 28 Aug , Boris BREZILLON wrote: > Add spi0 cs3 switch pinctrl pin definitions: this pin is used to select > between mmc0 slot0 and spi dataflash connected to cs3. > > Enable spi0 controller and define the mtd_dataflash connected to cs0. > > Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com> > --- > arch/arm/boot/dts/at91rm9200ek.dts | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/arch/arm/boot/dts/at91rm9200ek.dts b/arch/arm/boot/dts/at91rm9200ek.dts > index 2bad423..b3e7425 100644 > --- a/arch/arm/boot/dts/at91rm9200ek.dts > +++ b/arch/arm/boot/dts/at91rm9200ek.dts > @@ -56,6 +56,13 @@ > <AT91_PIOB 22 AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT | AT91_PINCTRL_OUTPUT_VAL(1))>; > }; > }; > + > + spi0 { > + pinctrl_spi0_cs3_switch: spi0_cs3_switch-0 { > + atmel,pins = > + <AT91_PIOB 22 AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT | AT91_PINCTRL_OUTPUT_VAL(0))>; > + }; same as mmc nack pinctrl is not for gpio default value
this is regulator > + }; > }; > > dbgu: serial@fffff200 { > @@ -119,6 +126,19 @@ > wp-gpios = <&pioA 17 GPIO_ACTIVE_HIGH>; > }; > }; > + > + spi0: spi@fffe0000 { > + pinctrl-0 = <&pinctrl_spi0 &pinctrl_spi0_cs0>; > + cs-gpios = <&pioA 3 GPIO_ACTIVE_HIGH>, <0>, > + <0>, <0>; > + status = "okay"; > + > + mtd_dataflash@0 { > + compatible = "atmel,at45", "atmel,dataflash"; > + spi-max-frequency = <15000000>; > + reg = <0>; > + }; > + }; > }; > > usb0: ohci@00300000 { > -- > 1.7.9.5 >
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