* [PATCH] arm: mvebu: Espressobin: Set the maximum slave SPI speed to 40MHz
@ 2021-01-27 16:12 Pali Rohár
2021-02-02 14:56 ` Stefan Roese
2021-02-08 11:39 ` Stefan Roese
0 siblings, 2 replies; 3+ messages in thread
From: Pali Rohár @ 2021-01-27 16:12 UTC (permalink / raw)
To: u-boot
From: Konstantin Porotchkin <kostap@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@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/59516
Tested-by: iSoC Platform CI <ykjenk@marvell.com>
Reviewed-by: Igal Liberman <igall@marvell.com>
[pali: Set CONFIG_SF_DEFAULT_SPEED via defconfig]
Signed-off-by: Pali Roh?r <pali@kernel.org>
---
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
--
2.20.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH] arm: mvebu: Espressobin: Set the maximum slave SPI speed to 40MHz
2021-01-27 16:12 [PATCH] arm: mvebu: Espressobin: Set the maximum slave SPI speed to 40MHz Pali Rohár
@ 2021-02-02 14:56 ` Stefan Roese
2021-02-08 11:39 ` Stefan Roese
1 sibling, 0 replies; 3+ messages in thread
From: Stefan Roese @ 2021-02-02 14:56 UTC (permalink / raw)
To: u-boot
On 27.01.21 17:12, Pali Roh?r wrote:
> From: Konstantin Porotchkin <kostap@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@marvell.com>
> Reviewed-on: http://vgitil04.il.marvell.com:8080/59516
> Tested-by: iSoC Platform CI <ykjenk@marvell.com>
> Reviewed-by: Igal Liberman <igall@marvell.com>
> [pali: Set CONFIG_SF_DEFAULT_SPEED via defconfig]
> Signed-off-by: Pali Roh?r <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@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 Gr??e,
Stefan
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-51 Fax: (+49)-8142-66989-80 Email: sr at denx.de
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH] arm: mvebu: Espressobin: Set the maximum slave SPI speed to 40MHz
2021-01-27 16:12 [PATCH] arm: mvebu: Espressobin: Set the maximum slave SPI speed to 40MHz Pali Rohár
2021-02-02 14:56 ` Stefan Roese
@ 2021-02-08 11:39 ` Stefan Roese
1 sibling, 0 replies; 3+ messages in thread
From: Stefan Roese @ 2021-02-08 11:39 UTC (permalink / raw)
To: u-boot
On 27.01.21 17:12, Pali Roh?r wrote:
> From: Konstantin Porotchkin <kostap@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@marvell.com>
> Reviewed-on: http://vgitil04.il.marvell.com:8080/59516
> Tested-by: iSoC Platform CI <ykjenk@marvell.com>
> Reviewed-by: Igal Liberman <igall@marvell.com>
> [pali: Set CONFIG_SF_DEFAULT_SPEED via defconfig]
> Signed-off-by: Pali Roh?r <pali@kernel.org>
Applied to u-boot-marvell/master
Thanks,
Stefan
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-02-08 11:39 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2021-01-27 16:12 [PATCH] arm: mvebu: Espressobin: Set the maximum slave SPI speed to 40MHz Pali Rohár
2021-02-02 14:56 ` Stefan Roese
2021-02-08 11:39 ` Stefan Roese
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox