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| author |   Chaotian Jing <chaotian.jing@mediatek.com> | 2018-09-29 10:29:54 +0800 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2018-10-08 12:53:24 +0200 |
| commit | 716b717ac07de239c6ad7bd3c38f2ef979280595 (patch) | |
| tree | 06989cadaf021efe6449c60471ffcc37e2b6721e /Documentation/devicetree/bindings/mmc | |
| parent | mmc: dw_mmc-exynos: Add tuning for sdr and ddr timing for USH-I mode (diff) | |
| download | linux-dev-716b717ac07de239c6ad7bd3c38f2ef979280595.tar.xz linux-dev-716b717ac07de239c6ad7bd3c38f2ef979280595.zip | |
mmc: dt-bindings: add "bus-clk" for MT2712
On MT2712 MSDC0/3, HCLK/bus-clk need gate/ungate together,
or will hang when access MSDC register.
Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mmc')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/mtk-sd.txt | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.txt b/Documentation/devicetree/bindings/mmc/mtk-sd.txt index f33467a54a05..f2208f4dcca8 100644 --- a/Documentation/devicetree/bindings/mmc/mtk-sd.txt +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.txt @@ -22,6 +22,7 @@ Required properties: "source" - source clock (required) "hclk" - HCLK which used for host (required) "source_cg" - independent source clock gate (required for MT2712) + "bus_clk" - bus clock used for internal register access (required for MT2712 MSDC0/3) - pinctrl-names: should be "default", "state_uhs" - pinctrl-0: should contain default/high speed pin ctrl - pinctrl-1: should contain uhs mode pin ctrl |