[PATCH] arm: mvebu: Espressobin: Set the maximum slave SPI speed to 40MHz

[Stefan Roese]

On 27.01.21 17:12, Pali Rohár wrote:
> From: Konstantin Porotchkin <kostap at marvell.com>
> 
> While the SPI controller speed is defined by DTS, the maximum
> slave speed (connected devices) is limited by the pre-defined
> configuration value CONFIG_SF_DEFAULT_SPEED to 1MHz
> This patch increases this maximum SPI slave device speed to 40MHz
> 
> Change-Id: I0d1239bd8a2061c66725c2c227c1e1f49c92c29e
> Signed-off-by: Konstantin Porotchkin <kostap at marvell.com>
> Reviewed-on: http://vgitil04.il.marvell.com:8080/59516
> Tested-by: iSoC Platform CI <ykjenk at marvell.com>
> Reviewed-by: Igal Liberman <igall at marvell.com>
> [pali: Set CONFIG_SF_DEFAULT_SPEED via defconfig]
> Signed-off-by: Pali Rohár <pali at kernel.org>

Reviewed-by: Stefan Roese <sr at denx.de>

Thanks,
Stefan

> ---
>   configs/mvebu_espressobin-88f3720_defconfig | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/configs/mvebu_espressobin-88f3720_defconfig b/configs/mvebu_espressobin-88f3720_defconfig
> index 8a859cba2e..4956199ccd 100644
> --- a/configs/mvebu_espressobin-88f3720_defconfig
> +++ b/configs/mvebu_espressobin-88f3720_defconfig
> @@ -54,6 +54,7 @@ CONFIG_MMC_SDHCI_SDMA=y
>   CONFIG_MMC_SDHCI_XENON=y
>   CONFIG_MTD=y
>   CONFIG_SF_DEFAULT_MODE=0
> +CONFIG_SF_DEFAULT_SPEED=40000000
>   CONFIG_SPI_FLASH_GIGADEVICE=y
>   CONFIG_SPI_FLASH_ISSI=y
>   CONFIG_SPI_FLASH_MACRONIX=y
> 


Viele Grüße,
Stefan

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