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mmc: sdhi: Add r8a7795 support

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Registers are 64bit apart, so we refactor bus_shift handling a little and set
it based on the DT compatible. Also, EXT_ACC is different. It has been tested
on a Salvator-X (Gen3) and, to check for regressions, on a Lager (Gen2).

Signed-off-by: Ai Kyuse <ai.kyuse.uw@renesas.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Wolfram Sang
2016-02-15 16:01:48 +01:00
committed by Ulf Hansson
parent fce1442164
commit a72e8b1700
3 changed files with 36 additions and 14 deletions
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Documentation/devicetree/bindings/mmc/tmio_mmc.txt
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@@ -22,6 +22,7 @@ Required properties:
"renesas,sdhi-r8a7792" - SDHI IP on R8A7792 SoC
"renesas,sdhi-r8a7793" - SDHI IP on R8A7793 SoC
"renesas,sdhi-r8a7794" - SDHI IP on R8A7794 SoC
"renesas,sdhi-r8a7795" - SDHI IP on R8A7795 SoC
Optional properties:
- toshiba,mmc-wrprotect-disable: write-protect detection is unavailable