* [PATCH v4] ARM: dts: imxrt1050: increase mmc max-frequency property
@ 2022-12-14 16:38 Giulio Benetti
2022-12-31 13:24 ` Shawn Guo
0 siblings, 1 reply; 2+ messages in thread
From: Giulio Benetti @ 2022-12-14 16:38 UTC (permalink / raw)
To: devicetree, linux-arm-kernel, linux-kernel
Cc: Rob Herring, Krzysztof Kozlowski, Shawn Guo, Sascha Hauer,
Pengutronix Kernel Team, Fabio Estevam, Bough Chen,
NXP Linux Team, Giulio Benetti, Jesse Taube
According to i.MXRT1050 Datasheet usdhc supports up to 200Mhz clock so
let's increase max-frequency property to 200Mhz.
Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Acked-by: Jesse Taube <mr.bossman075@gmail.com>
---
V1->V2:
* set max-frequency to 200Mhz instead of removing it as suggested by
Bough Chen
V2->V3:
* added Jesse Taube's Acked-by:
V3->V4:
* added forgotten [PATCH V4] in subject
---
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 8768715adda4..fb531542609b 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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v4] ARM: dts: imxrt1050: increase mmc max-frequency property
2022-12-14 16:38 [PATCH v4] ARM: dts: imxrt1050: increase mmc max-frequency property Giulio Benetti
@ 2022-12-31 13:24 ` Shawn Guo
0 siblings, 0 replies; 2+ messages in thread
From: Shawn Guo @ 2022-12-31 13:24 UTC (permalink / raw)
To: Giulio Benetti
Cc: devicetree, linux-arm-kernel, linux-kernel, Rob Herring,
Krzysztof Kozlowski, Sascha Hauer, Pengutronix Kernel Team,
Fabio Estevam, Bough Chen, NXP Linux Team, Jesse Taube
On Wed, Dec 14, 2022 at 05:38:17PM +0100, Giulio Benetti wrote:
> According to i.MXRT1050 Datasheet usdhc supports up to 200Mhz clock so
> let's increase max-frequency property to 200Mhz.
>
> Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
> Acked-by: Jesse Taube <mr.bossman075@gmail.com>
Applied, thanks!
^ permalink raw reply [flat|nested] 2+ messages in thread
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