[PATCH v2] ARM: berlin: add SPI nodes for BG2Q
Antoine Tenart
antoine.tenart at free-electrons.com
Wed May 27 01:33:05 PDT 2015
Sebastian,
On Wed, May 27, 2015 at 10:03:01AM +0200, Sebastian Hesselbarth wrote:
> On 27.05.2015 09:59, Antoine Tenart wrote:
> >The BG2Q SoC has two SPI controllers. Add the corresponding nodes.
> >
> >Signed-off-by: Antoine Tenart <antoine.tenart at free-electrons.com>
> >---
> >
> >Changes since v1:
> > - reworked the pinmux
> > - removed useless interrupt-parent properties
> > - typo
> >
> > arch/arm/boot/dts/berlin2q.dtsi | 36 ++++++++++++++++++++++++++++++++++++
> > 1 file changed, 36 insertions(+)
> >
> >diff --git a/arch/arm/boot/dts/berlin2q.dtsi b/arch/arm/boot/dts/berlin2q.dtsi
> >index 187d056f7ad2..9f42ebfa50f2 100644
> >--- a/arch/arm/boot/dts/berlin2q.dtsi
> >+++ b/arch/arm/boot/dts/berlin2q.dtsi
> >@@ -286,6 +286,19 @@
> > status = "disabled";
> > };
> >
> >+ spi0: spi at 1c00 {
> >+ compatible = "snps,dw-apb-ssi";
> >+ reg = <0x1c00 0x100>;
> >+ interrupts = <7>;
> >+ clocks = <&chip_clk CLKID_CFG>;
> >+ pinctrl-0 = <&spi1_pmux>;
>
> Antoine,
>
> you missed s/spi0/spi1/ and the same for the node below?
I think we had a misunderstanding then :) You would like to have spi1
and spi2 nodes, without having an spi0 one?
> BTW, you have any SPI device to test this? If you are brave
> enough you could read the flash from the Berlin secure boot
> SPI key ;)
Until now, I tested it using spidev and connecting SDI to SDO.
Antoine
--
Antoine Ténart, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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