Subject: [PATCH] ARM: shmobile: henninger: add QSPI DT support

From: [email-masked] (Sergei Shtylyov)
Date: Tue, 13 May 2014 02:57:30 +0400

Hello.

On 05/12/2014 02:53 AM, Simon Horman wrote:

>>> Define the Henninger board dependent part of the QSPI device node.
>>> Add device nodes for Spansion S25FL512S SPI flash and MTD partitions on it.

>>> Signed-off-by: Sergei Shtylyov <[email-masked]>

>>> ---
>>> This patch is against 'renesas-devel-v3.15-rc3-20140502' tag of Simon Horman's
>>> 'renesas.git' repo and SDHI0/2 DT support patch posted last weekend.

>>>   arch/arm/boot/dts/r8a7791-henninger.dts |   38 ++++++++++++++++++++++++++++++++
>>>   1 file changed, 38 insertions(+)

>>> Index: renesas/arch/arm/boot/dts/r8a7791-henninger.dts
>>> ===================================================================
>>> --- renesas.orig/arch/arm/boot/dts/r8a7791-henninger.dts
>>> +++ renesas/arch/arm/boot/dts/r8a7791-henninger.dts
>> [...]
>>> @@ -158,3 +163,36 @@
>>>   	cd-gpios = <&gpio6 22 GPIO_ACTIVE_LOW>;
>>>   	status = "okay";
>>>   };
>>> +
>>> +&qspi {
>>> +	pinctrl-0 = <&qspi_pins>;
>>> +	pinctrl-names = "default";
>>> +
>>> +	status = "okay";
>>> +
>>> +	flash at 0 {
>>> +		#address-cells = <1>;
>>> +		#size-cells = <1>;
>>> +		compatible = "spansion,s25fl512s";
>>> +		reg = <0>;
>>> +		spi-max-frequency = <30000000>;
>>> +		spi-tx-bus-width = <4>;
>>> +		spi-rx-bus-width = <4>;
>>> +		m25p,fast-read;
>>> +
>>> +		partition at 0 {
>>> +			label = "loader_prg";
>>> +			reg = <0x00000000 0x00040000>;
>>> +			read-only;
>>> +		};
>>> +		partition at 40000 {
>>> +			label = "user_prg";
>>> +			reg = <0x00040000 0x00400000>;
>>> +			read-only;

>>     Oops, there shouldn't be "read-only" here, I forgot to refresh
>> the patch as I'm now seeing... too bad it's too late to resend now.
>> :-(

> Could you send an incremental fix for me to queue up?

    Oops, I've rechecked and it should indeed be read-only, so the patch was 
correct. Sorry. :-)

WBR, Sergei