[PATCH V5 1/2] mmc: dw_mmc: exynos: Support eMMC's HS400 mode
From: Rob Herring <hidden>
Date: 2015-02-25 14:38:42
Also in:
linux-devicetree, linux-mmc, linux-samsung-soc
On Wed, Jan 28, 2015 at 8:41 PM, Alim Akhtar [off-list ref] wrote:
quoted hunk ↗ jump to hunk
From: Seungwon Jeon <redacted> Implements HS400 mode support for exynos host driver. This also include some updates as new mode is added. Signed-off-by: Seungwon Jeon <redacted> Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com> [Alim: addressed review comments] --- .../devicetree/bindings/mmc/exynos-dw-mshc.txt | 7 + drivers/mmc/host/dw_mmc-exynos.c | 185 ++++++++++++++++---- drivers/mmc/host/dw_mmc-exynos.h | 19 +- drivers/mmc/host/dw_mmc.c | 16 +- drivers/mmc/host/dw_mmc.h | 2 + 5 files changed, 195 insertions(+), 34 deletions(-)diff --git a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt index ee4fc05..aad9844 100644 --- a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt +++ b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt@@ -36,6 +36,8 @@ Required Properties: in transmit mode and CIU clock phase shift value in receive mode for double data rate mode operation. Refer notes below for the order of the cells and the valid values. +* samsung,dw-mshc-hs400-timing: Specifies the value of CIU TX and RX clock phase + shift value for hs400 mode operation.
What are the units? Rob