From: Dinh Nguyen <dinguyen@xxxxxxxxxx> Remove the "samsung" in "samsung,dw-mshc-ciu-div", "samsung,dw-mshc-sdr-timing", and "samsung,dw-mshc-ddr-timing". These characteristics are not applicable to just Samsung platforms, but to any platform that uses the Synopsis SD/MMC IP. Signed-off-by: Dinh Nguyen <dinguyen@xxxxxxxxxx> CC: Arnd Bergmann <arnd@xxxxxxxx> Cc: Olof Johansson <olof@xxxxxxxxx> Cc: Jaehoon Chung <jh80.chung@xxxxxxxxxxx> Cc: Seungwon Jeon <tgih.jun@xxxxxxxxxxx> Cc: Rob Herring <rob.herring@xxxxxxxxxxx> Cc: Pawel Moll <pawel.moll@xxxxxxx> Cc: Mark Rutland <mark.rutland@xxxxxxx> Cc: Stephen Warren <swarren@xxxxxxxxxxxxx> Cc: Ian Campbell <ian.campbell@xxxxxxxxxx> Cc: devicetree@xxxxxxxxxxxxxxx Cc: linux-mmc@xxxxxxxxxxxxxxx CC: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx --- .../devicetree/bindings/mmc/exynos-dw-mshc.txt | 30 -------------------- .../devicetree/bindings/mmc/synopsis-dw-mshc.txt | 29 +++++++++++++++++++ arch/arm/boot/dts/cros5250-common.dtsi | 18 ++++++------ arch/arm/boot/dts/exynos4412-odroidx.dts | 6 ++-- arch/arm/boot/dts/exynos4412-origen.dts | 6 ++-- arch/arm/boot/dts/exynos5250-arndale.dts | 12 ++++---- arch/arm/boot/dts/exynos5250-smdk5250.dts | 12 ++++---- drivers/mmc/host/dw_mmc-exynos.c | 6 ++-- 8 files changed, 59 insertions(+), 60 deletions(-) diff --git a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt index 6d1c098..ddb1d95 100644 --- a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt +++ b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt @@ -17,33 +17,6 @@ Required Properties: - "samsung,exynos5250-dw-mshc": for controllers with Samsung Exynos5250 specific extensions. -* samsung,dw-mshc-ciu-div: Specifies the divider value for the card interface - unit (ciu) clock. This property is applicable only for Exynos5 SoC's and - ignored for Exynos4 SoC's. The valid range of divider value is 0 to 7. - -* samsung,dw-mshc-sdr-timing: Specifies the value of CIU clock phase shift value - in transmit mode and CIU clock phase shift value in receive mode for single - data rate mode operation. Refer notes below for the order of the cells and the - valid values. - -* samsung,dw-mshc-ddr-timing: Specifies the value of CUI clock phase shift value - in transmit mode and CIU clock phase shift value in receive mode for double - data rate mode operation. Refer notes below for the order of the cells and the - valid values. - - Notes for the sdr-timing and ddr-timing values: - - The order of the cells should be - - First Cell: CIU clock phase shift value for tx mode. - - Second Cell: CIU clock phase shift value for rx mode. - - Valid values for SDR and DDR CIU clock timing for Exynos5250: - - valid value for tx phase shift and rx phase shift is 0 to 7. - - when CIU clock divider value is set to 3, all possible 8 phase shift - values can be used. - - 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: * gpios: specifies a list of gpios used for command, clock and data bus. The @@ -71,9 +44,6 @@ Example: 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>; diff --git a/Documentation/devicetree/bindings/mmc/synopsis-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/synopsis-dw-mshc.txt index cdcebea..cf85a8c 100644 --- a/Documentation/devicetree/bindings/mmc/synopsis-dw-mshc.txt +++ b/Documentation/devicetree/bindings/mmc/synopsis-dw-mshc.txt @@ -71,6 +71,32 @@ Optional properties: * vmmc-supply: The phandle to the regulator to use for vmmc. If this is specified we'll defer probe until we can find this regulator. +* dw-mshc-ciu-div: Specifies the divider value for the card interface + unit (ciu) clock. The valid range of divider value is 0 to 7. + +* dw-mshc-sdr-timing: Specifies the value of CIU clock phase shift value + in transmit mode and CIU clock phase shift value in receive mode for single + data rate mode operation. Refer notes below for the order of the cells and the + valid values. + +* dw-mshc-ddr-timing: Specifies the value of CUI clock phase shift value + in transmit mode and CIU clock phase shift value in receive mode for double + data rate mode operation. Refer notes below for the order of the cells and the + valid values. + + Notes for the sdr-timing and ddr-timing values: + + The order of the cells should be + - First Cell: CIU clock phase shift value for tx mode. + - Second Cell: CIU clock phase shift value for rx mode. + + Valid values for SDR and DDR CIU clock timing for Exynos5250: + - valid value for tx phase shift and rx phase shift is 0 to 7. + - when CIU clock divider value is set to 3, all possible 8 phase shift + values can be used. + - if CIU clock divider value is 0 (that is divide by 1), both tx and rx + phase shift clocks should be 0. + Aliases: - All the MSHC controller nodes should be represented in the aliases node using @@ -99,6 +125,9 @@ board specific portions as listed below. fifo-depth = <0x80>; card-detect-delay = <200>; vmmc-supply = <&buck8>; + dw-mshc-ciu-div = <3>; + dw-mshc-sdr-timing = <2 3>; + dw-mshc-ddr-timing = <1 2>; slot@0 { reg = <0>; diff --git a/arch/arm/boot/dts/cros5250-common.dtsi b/arch/arm/boot/dts/cros5250-common.dtsi index dc259e8b..93d3c85 100644 --- a/arch/arm/boot/dts/cros5250-common.dtsi +++ b/arch/arm/boot/dts/cros5250-common.dtsi @@ -235,9 +235,9 @@ 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>; + dw-mshc-ciu-div = <3>; + dw-mshc-sdr-timing = <2 3>; + dw-mshc-ddr-timing = <1 2>; pinctrl-names = "default"; pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>; @@ -256,9 +256,9 @@ supports-highspeed; 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>; + dw-mshc-ciu-div = <3>; + dw-mshc-sdr-timing = <2 3>; + dw-mshc-ddr-timing = <1 2>; pinctrl-names = "default"; pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>; @@ -275,9 +275,9 @@ 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>; + dw-mshc-ciu-div = <3>; + dw-mshc-sdr-timing = <2 3>; + dw-mshc-ddr-timing = <1 2>; /* See board-specific dts files for pin setup */ slot@0 { diff --git a/arch/arm/boot/dts/exynos4412-odroidx.dts b/arch/arm/boot/dts/exynos4412-odroidx.dts index 46c678e..e6c3b23 100644 --- a/arch/arm/boot/dts/exynos4412-odroidx.dts +++ b/arch/arm/boot/dts/exynos4412-odroidx.dts @@ -51,9 +51,9 @@ 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>; + dw-mshc-ciu-div = <3>; + dw-mshc-sdr-timing = <2 3>; + dw-mshc-ddr-timing = <1 2>; slot@0 { reg = <0>; diff --git a/arch/arm/boot/dts/exynos4412-origen.dts b/arch/arm/boot/dts/exynos4412-origen.dts index 7993641..b403a57 100644 --- a/arch/arm/boot/dts/exynos4412-origen.dts +++ b/arch/arm/boot/dts/exynos4412-origen.dts @@ -122,9 +122,9 @@ 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>; + dw-mshc-ciu-div = <3>; + dw-mshc-sdr-timing = <2 3>; + dw-mshc-ddr-timing = <1 2>; slot@0 { reg = <0>; diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts index abc7272..72aa743 100644 --- a/arch/arm/boot/dts/exynos5250-arndale.dts +++ b/arch/arm/boot/dts/exynos5250-arndale.dts @@ -324,9 +324,9 @@ 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>; + dw-mshc-ciu-div = <3>; + dw-mshc-sdr-timing = <2 3>; + dw-mshc-ddr-timing = <1 2>; vmmc-supply = <&mmc_reg>; pinctrl-names = "default"; pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_bus8>; @@ -346,9 +346,9 @@ supports-highspeed; 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>; + dw-mshc-ciu-div = <3>; + dw-mshc-sdr-timing = <2 3>; + dw-mshc-ddr-timing = <1 2>; vmmc-supply = <&mmc_reg>; pinctrl-names = "default"; pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>; diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts index 49f18c2..220da19 100644 --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts @@ -146,9 +146,9 @@ 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>; + dw-mshc-ciu-div = <3>; + dw-mshc-sdr-timing = <2 3>; + dw-mshc-ddr-timing = <1 2>; pinctrl-names = "default"; pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_bus8>; @@ -167,9 +167,9 @@ supports-highspeed; 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>; + dw-mshc-ciu-div = <3>; + dw-mshc-sdr-timing = <2 3>; + dw-mshc-ddr-timing = <1 2>; pinctrl-names = "default"; pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>; diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c index 866edef..553f3c1 100644 --- a/drivers/mmc/host/dw_mmc-exynos.c +++ b/drivers/mmc/host/dw_mmc-exynos.c @@ -131,18 +131,18 @@ static int dw_mci_exynos_parse_dt(struct dw_mci *host) u32 div = 0; int ret; - of_property_read_u32(np, "samsung,dw-mshc-ciu-div", &div); + of_property_read_u32(np, "dw-mshc-ciu-div", &div); priv->ciu_div = div; ret = of_property_read_u32_array(np, - "samsung,dw-mshc-sdr-timing", timing, 2); + "dw-mshc-sdr-timing", timing, 2); if (ret) return ret; priv->sdr_timing = SDMMC_CLKSEL_TIMING(timing[0], timing[1], div); ret = of_property_read_u32_array(np, - "samsung,dw-mshc-ddr-timing", timing, 2); + "dw-mshc-ddr-timing", timing, 2); if (ret) return ret; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html