This board has a 128M SPI flash. add spi flash support in device tree.
Tested on pine64 LTS.
Signed-off-by: Akash Gajjar <[email protected]>
---
.../dts/allwinner/sun50i-a64-sopine-baseboard.dts | 23 ++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
index abe179d..d54637d 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
@@ -134,6 +134,29 @@
regulator-name = "vcc-wifi";
};
+&spi0 {
+ status = "okay";
+
+ m25p80@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "w25q128";
+ reg = <0x0>;
+ linux,modalias = "m25p80", "w25q128";
+ spi-max-frequency = <40000000>;
+
+ uboot@0 {
+ label = "uboot";
+ reg = <0x0 0x100000>;
+ };
+
+ rootfs@0 {
+ label = "rootfs";
+ reg = <0x100000 0x7F00000>;
+ };
+ };
+};
+
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins_a>;
--
2.7.4
Hi!
On Sun, Jul 22, 2018 at 09:16:49PM +0530, Akash Gajjar wrote:
> This board has a 128M SPI flash. add spi flash support in device tree.
>
> Tested on pine64 LTS.
>
> Signed-off-by: Akash Gajjar <[email protected]>
The author email should match the one in the SoB, and the prefix of
your commit title should be "arm64: dts: allwinner: ..."
> ---
> .../dts/allwinner/sun50i-a64-sopine-baseboard.dts | 23 ++++++++++++++++++++++
> 1 file changed, 23 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
> index abe179d..d54637d 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
> @@ -134,6 +134,29 @@
> regulator-name = "vcc-wifi";
> };
>
> +&spi0 {
> + status = "okay";
> +
> + m25p80@0 {
The node-name should be the device class, not the device model
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "w25q128";
According to the binding, this should have "jedec,spi-nor", and you
should put the vendor name before the model name as well.
> + reg = <0x0>;
> + linux,modalias = "m25p80", "w25q128";
This property isn
> + spi-max-frequency = <40000000>;
> +
> + uboot@0 {
> + label = "uboot";
> + reg = <0x0 0x100000>;
> + };
> +
> + rootfs@0 {
> + label = "rootfs";
> + reg = <0x100000 0x7F00000>;
> + };
This forces a partition scheme on users that might feel
differently. This should be removed.
maxime
--
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com