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authorWolfram Sang <wsa+renesas@sang-engineering.com>2019-12-03 23:05:13 +0300
committerUlf Hansson <ulf.hansson@linaro.org>2019-12-16 14:29:36 +0300
commitc1a49782cc32d720284d82742e8d9468c5ceb988 (patch)
tree4fec5dd1f2cca85e88733e2e87f482e37eb466c9 /drivers/mmc/host/renesas_sdhi.h
parent12e3c55d236b18fae00daa4ff54195b15cd741c3 (diff)
downloadlinux-c1a49782cc32d720284d82742e8d9468c5ceb988.tar.xz
mmc: renesas_sdhi: use recent tap values for HS400
New datasheets require different and new values for HS400 with 4taps or 8taps. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/20191203200513.1758-6-wsa+renesas@sang-engineering.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/renesas_sdhi.h')
-rw-r--r--drivers/mmc/host/renesas_sdhi.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mmc/host/renesas_sdhi.h b/drivers/mmc/host/renesas_sdhi.h
index 88d05a617d43..f524251d5113 100644
--- a/drivers/mmc/host/renesas_sdhi.h
+++ b/drivers/mmc/host/renesas_sdhi.h
@@ -14,8 +14,8 @@
struct renesas_sdhi_scc {
unsigned long clk_rate; /* clock rate for SDR104 */
- u32 tap; /* sampling clock position for SDR104 */
- u32 tap_hs400; /* sampling clock position for HS400 */
+ u32 tap; /* sampling clock position for SDR104/HS400 (8 TAP) */
+ u32 tap_hs400_4tap; /* sampling clock position for HS400 (4 TAP) */
};
struct renesas_sdhi_of_data {