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authorYangbo Lu <yangbo.lu@nxp.com>2019-06-14 10:29:54 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2019-06-17 13:33:54 +0200
commit791463ba1ae90a7457ddcb07c6c5a1a64738e354 (patch)
tree226ec596742ee15cf2f452e347208a80812ba475 /drivers/mmc
parentmmc: sdhci-of-esdhc: set the sd clock divisor value above 3 (diff)
downloadlinux-791463ba1ae90a7457ddcb07c6c5a1a64738e354.tar.xz
linux-791463ba1ae90a7457ddcb07c6c5a1a64738e354.zip
mmc: sdhci-of-esdhc: use 1/2 periperhal clock for ls1028a
LS1028A used 1/2 periperhal clock as one reference clock. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci-of-esdhc.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index c56c7d413a09..4dd43b1adf2c 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -1048,11 +1048,12 @@ static void esdhc_init(struct platform_device *pdev, struct sdhci_host *host)
/*
* esdhc->peripheral_clock would be assigned with a value
* which is eSDHC base clock when use periperal clock.
- * For ls1046a, the clock value got by common clk API is
- * peripheral clock while the eSDHC base clock is 1/2
- * peripheral clock.
+ * For some platforms, the clock value got by common clk
+ * API is peripheral clock while the eSDHC base clock is
+ * 1/2 peripheral clock.
*/
- if (of_device_is_compatible(np, "fsl,ls1046a-esdhc"))
+ if (of_device_is_compatible(np, "fsl,ls1046a-esdhc") ||
+ of_device_is_compatible(np, "fsl,ls1028a-esdhc"))
esdhc->peripheral_clock = clk_get_rate(clk) / 2;
else
esdhc->peripheral_clock = clk_get_rate(clk);