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authorJaehoon Chung <jh80.chung@samsung.com>2014-08-07 16:37:59 +0900
committerUlf Hansson <ulf.hansson@linaro.org>2014-08-11 11:48:39 +0200
commitc83c8737e3edb33f60101d2d7692675d0cb6bdf1 (patch)
tree5d78cf0d613eaeb17d2421de28518a2772c7f6ff /Documentation/devicetree/bindings/mmc
parent26375b5c8449927f740ce0e837e23f45c951fb80 (diff)
mmc: dw_mmc: modify the dt-binding for removing slot-node and supports-highspeed
Almost all SoCs use one slot per host controller. (Even if controller can support the multiple slot, Recommend to use one slot per host controller.) Don't use the slot-node and deprecate the "supports-highspeed" property. Instead, use the cap-mmc/sd-highspeed. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Tushar Behera <trblinux@gmail.com> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Tested-by: Sachin Kamat <sachin.kamat@samsung.com> Acked-by: Seungwon Jeon <tgih.jun@samsung.com> Reviewed-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mmc')
-rw-r--r--Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt17
-rw-r--r--Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt12
-rw-r--r--Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt12
3 files changed, 15 insertions, 26 deletions
diff --git a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt
index 532b1d440abc..6cd3525d0e09 100644
--- a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt
@@ -46,13 +46,14 @@ Required Properties:
- if CIU clock divider value is 0 (that is divide by 1), both tx and rx
phase shift clocks should be 0.
-Required properties for a slot:
+Required properties for a slot (Deprecated - Recommend to use one slot per host):
* gpios: specifies a list of gpios used for command, clock and data bus. The
first gpio is the command line and the second gpio is the clock line. The
rest of the gpios (depending on the bus-width property) are the data lines in
no particular order. The format of the gpio specifier depends on the gpio
controller.
+(Deprecated - Refer to Documentation/devicetree/binding/pinctrl/samsung-pinctrl.txt)
Example:
@@ -69,21 +70,13 @@ Example:
dwmmc0@12200000 {
num-slots = <1>;
- supports-highspeed;
+ cap-mmc-highspeed;
+ cap-sd-highspeed;
broken-cd;
fifo-depth = <0x80>;
card-detect-delay = <200>;
samsung,dw-mshc-ciu-div = <3>;
samsung,dw-mshc-sdr-timing = <2 3>;
samsung,dw-mshc-ddr-timing = <1 2>;
-
- slot@0 {
- reg = <0>;
- bus-width = <8>;
- gpios = <&gpc0 0 2 0 3>, <&gpc0 1 2 0 3>,
- <&gpc1 0 2 3 3>, <&gpc1 1 2 3 3>,
- <&gpc1 2 2 3 3>, <&gpc1 3 2 3 3>,
- <&gpc0 3 2 3 3>, <&gpc0 4 2 3 3>,
- <&gpc0 5 2 3 3>, <&gpc0 6 2 3 3>;
- };
+ bus-width = <8>;
};
diff --git a/Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt
index e5bc49f764d1..3b3544931437 100644
--- a/Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt
@@ -34,13 +34,11 @@ Example:
num-slots = <1>;
vmmc-supply = <&ldo12>;
fifo-depth = <0x100>;
- supports-highspeed;
pinctrl-names = "default";
pinctrl-0 = <&sd_pmx_pins &sd_cfg_func1 &sd_cfg_func2>;
- slot@0 {
- reg = <0>;
- bus-width = <4>;
- disable-wp;
- cd-gpios = <&gpio10 3 0>;
- };
+ bus-width = <4>;
+ disable-wp;
+ cd-gpios = <&gpio10 3 0>;
+ cap-mmc-highspeed;
+ cap-sd-highspeed;
};
diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
index 2d4a7258a10d..346c6095a615 100644
--- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
@@ -67,7 +67,8 @@ Optional properties:
* card-detect-delay: Delay in milli-seconds before detecting card after card
insert event. The default value is 0.
-* supports-highspeed: Enables support for high speed cards (up to 50MHz)
+* supports-highspeed (DEPRECATED): Enables support for high speed cards (up to 50MHz)
+ (use "cap-mmc-highspeed" or "cap-sd-highspeed" instead)
* broken-cd: as documented in mmc core bindings.
@@ -98,14 +99,11 @@ board specific portions as listed below.
clock-frequency = <400000000>;
clock-freq-min-max = <400000 200000000>;
num-slots = <1>;
- supports-highspeed;
broken-cd;
fifo-depth = <0x80>;
card-detect-delay = <200>;
vmmc-supply = <&buck8>;
-
- slot@0 {
- reg = <0>;
- bus-width = <8>;
- };
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ cap-sd-highspeed;
};

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