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-rw-r--r--Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt7
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
53Required properties for a slot (Deprecated - Recommend to use one slot per host): 58Required 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 };