* [PATCH] arm64: dts: meson: vim2: enable highspeed on wifi sdio
@ 2021-04-29 8:54 Jerome Brunet
2021-04-29 9:11 ` Neil Armstrong
0 siblings, 1 reply; 2+ messages in thread
From: Jerome Brunet @ 2021-04-29 8:54 UTC (permalink / raw)
To: Kevin Hilman; +Cc: Jerome Brunet, linux-amlogic, linux-kernel, devicetree
Enable highspeed mode for vim2 sdio. In theory, the vim2 SDIO bus is
capable of handling SDR50 mode but this needs to thoroughly tested.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
---
arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
index 18a4b7a6c5df..217f9d6d470e 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
@@ -307,6 +307,7 @@ &sd_emmc_a {
#size-cells = <0>;
bus-width = <4>;
+ cap-sd-highspeed;
max-frequency = <60000000>;
non-removable;
--
2.31.1
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] arm64: dts: meson: vim2: enable highspeed on wifi sdio
2021-04-29 8:54 [PATCH] arm64: dts: meson: vim2: enable highspeed on wifi sdio Jerome Brunet
@ 2021-04-29 9:11 ` Neil Armstrong
0 siblings, 0 replies; 2+ messages in thread
From: Neil Armstrong @ 2021-04-29 9:11 UTC (permalink / raw)
To: Art Nikpal
Cc: linux-amlogic, linux-kernel, devicetree, Kevin Hilman, Jerome Brunet
Hi Art,
So you think you can test this patch to see if it breaks SDIO ?
Neil
On 29/04/2021 10:54, Jerome Brunet wrote:
> Enable highspeed mode for vim2 sdio. In theory, the vim2 SDIO bus is
> capable of handling SDR50 mode but this needs to thoroughly tested.
>
> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
> ---
> arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
> index 18a4b7a6c5df..217f9d6d470e 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
> @@ -307,6 +307,7 @@ &sd_emmc_a {
> #size-cells = <0>;
>
> bus-width = <4>;
> + cap-sd-highspeed;
> max-frequency = <60000000>;
>
> non-removable;
>
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linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-04-29 8:54 [PATCH] arm64: dts: meson: vim2: enable highspeed on wifi sdio Jerome Brunet
2021-04-29 9:11 ` Neil Armstrong
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