Re: [PATCH 8/8] ARM: drs: iwg22m: Add SPI NOR support

[Simon Horman]

On Wed, Sep 20, 2017 at 01:10:00PM +0200, Geert Uytterhoeven wrote:
> On Wed, Sep 13, 2017 at 7:05 PM, Chris Paterson
>  wrote:
> > From: Fabrizio Castro 
> >
> > Add support for the SPI NOR device used to boot up the system
> > to the System on Module DT.
> >
> > Signed-off-by: Fabrizio Castro 
> > Signed-off-by: Chris Paterson 
> 
> With the subject fixed (s/drs/dts/):
> Reviewed-by: Geert Uytterhoeven 

Thanks, applied as

ARM: dts: iwg22m: Add SPI NOR support

Re: [PATCH 8/8] ARM: drs: iwg22m: Add SPI NOR support

[Geert Uytterhoeven]

On Wed, Sep 13, 2017 at 7:05 PM, Chris Paterson
 wrote:
> From: Fabrizio Castro 
>
> Add support for the SPI NOR device used to boot up the system
> to the System on Module DT.
>
> Signed-off-by: Fabrizio Castro 
> Signed-off-by: Chris Paterson 

With the subject fixed (s/drs/dts/):
Reviewed-by: Geert Uytterhoeven 

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

RE: [PATCH 8/8] ARM: drs: iwg22m: Add SPI NOR support

[Biju Das]

Hi,

> -Original Message-
> From: devicetree-ow...@vger.kernel.org [mailto:devicetree-
> ow...@vger.kernel.org] On Behalf Of Chris Paterson
> Sent: 13 September 2017 18:06
> To: Simon Horman 
> Cc: Rob Herring ; Mark Rutland
> ; Magnus Damm ;
> Russell King ; Fabrizio Castro
> ; devicet...@vger.kernel.org; linux-renesas-
> s...@vger.kernel.org; linux-arm-ker...@lists.infradead.org; Chris Paterson
> 
> Subject: [PATCH 8/8] ARM: drs: iwg22m: Add SPI NOR support

Subject should be " ARM: dts: iwg22m: Add SPI NOR support"

> From: Fabrizio Castro 
>
> Add support for the SPI NOR device used to boot up the system to the System on
> Module DT.
>
> Signed-off-by: Fabrizio Castro 
> Signed-off-by: Chris Paterson 




Renesas Electronics Europe Ltd, Dukes Meadow, Millboard Road, Bourne End, 
Buckinghamshire, SL8 5FH, UK. Registered in England & Wales under Registered 
No. 04586709.

[PATCH 8/8] ARM: drs: iwg22m: Add SPI NOR support

[Chris Paterson]

From: Fabrizio Castro 

Add support for the SPI NOR device used to boot up the system
to the System on Module DT.

Signed-off-by: Fabrizio Castro 
Signed-off-by: Chris Paterson 
---
This patch is based on renesas-devel-20170913-v4.13.

This patch is dependant on:
- "of: add vendor prefix for Silicon Storage Technology Inc."
- "doc: dt: mtd: Add sst25vf016b to the list of supported chip names"


 arch/arm/boot/dts/r8a7745-iwg22m.dtsi | 26 ++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7745-iwg22m.dtsi 
b/arch/arm/boot/dts/r8a7745-iwg22m.dtsi
index f7f9cef..ed9a8cf 100644
--- a/arch/arm/boot/dts/r8a7745-iwg22m.dtsi
+++ b/arch/arm/boot/dts/r8a7745-iwg22m.dtsi
@@ -39,6 +39,11 @@
function = "mmc";
};
 
+   qspi_pins: qspi {
+   groups = "qspi_ctrl", "qspi_data2";
+   function = "qspi";
+   };
+
sdhi1_pins: sd1 {
groups = "sdhi1_data4", "sdhi1_ctrl";
function = "sdhi1";
@@ -61,6 +66,27 @@
status = "okay";
 };
 
+&qspi {
+   pinctrl-0 = <&qspi_pins>;
+   pinctrl-names = "default";
+
+   status = "okay";
+
+   /* WARNING - This device contains the bootloader. Handle with care. */
+   flash: flash@0 {
+   #address-cells = <1>;
+   #size-cells = <1>;
+   compatible = "sst,sst25vf016b", "jedec,spi-nor";
+   reg = <0>;
+   spi-max-frequency = <5000>;
+   spi-tx-bus-width = <1>;
+   spi-rx-bus-width = <1>;
+   m25p,fast-read;
+   spi-cpol;
+   spi-cpha;
+   };
+};
+
 &sdhi1 {
pinctrl-0 = <&sdhi1_pins>;
pinctrl-names = "default";
-- 
1.9.1