[PATCH] ARM: shmobile: henninger: add QSPI DT support
Sergei Shtylyov
sergei.shtylyov at cogentembedded.com
Sun May 11 11:17:27 PDT 2014
Hello.
On 05/06/2014 02:45 AM, Sergei Shtylyov 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 <sergei.shtylyov at cogentembedded.com>
> ---
> 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. :-(
WBR, Sergei
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