diff options
Diffstat (limited to 'Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt')
-rw-r--r-- | Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt index ee4fc0576c7d..aad98442788b 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: | |||
36 | in transmit mode and CIU clock phase shift value in receive mode for double | 36 | in transmit mode and CIU clock phase shift value in receive mode for double |
37 | data rate mode operation. Refer notes below for the order of the cells and the | 37 | data rate mode operation. Refer notes below for the order of the cells and the |
38 | valid values. | 38 | valid values. |
39 | * samsung,dw-mshc-hs400-timing: Specifies the value of CIU TX and RX clock phase | ||
40 | shift value for hs400 mode operation. | ||
39 | 41 | ||
40 | Notes for the sdr-timing and ddr-timing values: | 42 | Notes for the sdr-timing and ddr-timing values: |
41 | 43 | ||
@@ -50,6 +52,9 @@ Required Properties: | |||
50 | - if CIU clock divider value is 0 (that is divide by 1), both tx and rx | 52 | - if CIU clock divider value is 0 (that is divide by 1), both tx and rx |
51 | phase shift clocks should be 0. | 53 | phase shift clocks should be 0. |
52 | 54 | ||
55 | * samsung,read-strobe-delay: RCLK (Data strobe) delay to control HS400 mode | ||
56 | (Latency value for delay line in Read path) | ||
57 | |||
53 | Required properties for a slot (Deprecated - Recommend to use one slot per host): | 58 | Required properties for a slot (Deprecated - Recommend to use one slot per host): |
54 | 59 | ||
55 | * gpios: specifies a list of gpios used for command, clock and data bus. The | 60 | * gpios: specifies a list of gpios used for command, clock and data bus. The |
@@ -82,5 +87,7 @@ Example: | |||
82 | samsung,dw-mshc-ciu-div = <3>; | 87 | samsung,dw-mshc-ciu-div = <3>; |
83 | samsung,dw-mshc-sdr-timing = <2 3>; | 88 | samsung,dw-mshc-sdr-timing = <2 3>; |
84 | samsung,dw-mshc-ddr-timing = <1 2>; | 89 | samsung,dw-mshc-ddr-timing = <1 2>; |
90 | samsung,dw-mshc-hs400-timing = <0 2>; | ||
91 | samsung,read-strobe-delay = <90>; | ||
85 | bus-width = <8>; | 92 | bus-width = <8>; |
86 | }; | 93 | }; |