2022-11-15 19:36:18

by Giulio Benetti

Subject: [PATCH v2 3/4] ARM: dts: imxrt1050: increase mmc max-frequency property

According to i.MXRT1050 Datasheet usdhc supports up to 200Mhz clock so
let's increase max-frequency property to 200Mhz.

Cc: Jesse Taube <[email protected]>
Signed-off-by: Giulio Benetti <[email protected]>
---
V1->V2:
* set max-frequency to 200Mhz instead of removing it as suggested by
Bough Chen
---
arch/arm/boot/dts/imxrt1050.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imxrt1050.dtsi b/arch/arm/boot/dts/imxrt1050.dtsi
index 114465e4dde6..5b1991c32748 100644
--- a/arch/arm/boot/dts/imxrt1050.dtsi
+++ b/arch/arm/boot/dts/imxrt1050.dtsi
@@ -93,7 +93,7 @@ usdhc1: mmc@402c0000 {
bus-width = <4>;
fsl,wp-controller;
no-1-8-v;
- max-frequency = <4000000>;
+ max-frequency = <200000000>;
fsl,tuning-start-tap = <20>;
fsl,tuning-step = <2>;
status = "disabled";
--
2.34.1

2022-11-15 21:20:57

by Jesse T

Subject: Re: [PATCH v2 3/4] ARM: dts: imxrt1050: increase mmc max-frequency property

On 11/15/22 14:32, Giulio Benetti wrote:
> According to i.MXRT1050 Datasheet usdhc supports up to 200Mhz clock so
> let's increase max-frequency property to 200Mhz.
>
> Cc: Jesse Taube <[email protected]>
> Signed-off-by: Giulio Benetti <[email protected]>
> ---
> V1->V2:
> * set max-frequency to 200Mhz instead of removing it as suggested by
> Bough Chen
> ---
> arch/arm/boot/dts/imxrt1050.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/imxrt1050.dtsi b/arch/arm/boot/dts/imxrt1050.dtsi
> index 114465e4dde6..5b1991c32748 100644
> --- a/arch/arm/boot/dts/imxrt1050.dtsi
> +++ b/arch/arm/boot/dts/imxrt1050.dtsi
> @@ -93,7 +93,7 @@ usdhc1: mmc@402c0000 {
> bus-width = <4>;
> fsl,wp-controller;
> no-1-8-v;
> - max-frequency = <4000000>;
> + max-frequency = <200000000>;
> fsl,tuning-start-tap = <20>;
> fsl,tuning-step = <2>;
> status = "disabled";

Acked-by: Jesse Taube <[email protected]>