From 6e2748452a8951532275f42a8b5fc3fe4ba682cd Mon Sep 17 00:00:00 2001 From: Konstantin Porotchkin <kostap@marvell.com> Date: Wed, 27 Jan 2021 17:12:00 +0100 Subject: [PATCH] arm: mvebu: Espressobin: Set the maximum slave SPI speed to 40MHz MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Rohár <pali@kernel.org> Reviewed-by: Stefan Roese <sr@denx.de> --- 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 -- 2.39.5