diff options
Diffstat (limited to 'Documentation')
5 files changed, 108 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt index 458b57f199af..9dce540771fb 100644 --- a/Documentation/devicetree/bindings/mmc/mmc.txt +++ b/Documentation/devicetree/bindings/mmc/mmc.txt @@ -26,9 +26,18 @@ Optional properties: this system, even if the controller claims it is. - cap-sd-highspeed: SD high-speed timing is supported - cap-mmc-highspeed: MMC high-speed timing is supported +- sd-uhs-sdr12: SD UHS SDR12 speed is supported +- sd-uhs-sdr25: SD UHS SDR25 speed is supported +- sd-uhs-sdr50: SD UHS SDR50 speed is supported +- sd-uhs-sdr104: SD UHS SDR104 speed is supported +- sd-uhs-ddr50: SD UHS DDR50 speed is supported - cap-power-off-card: powering off the card is safe - cap-sdio-irq: enable SDIO IRQ signalling on this interface - full-pwr-cycle: full power cycle of the card is supported +- mmc-highspeed-ddr-1_8v: eMMC high-speed DDR mode(1.8V I/O) is supported +- mmc-highspeed-ddr-1_2v: eMMC high-speed DDR mode(1.2V I/O) is supported +- mmc-hs200-1_8v: eMMC HS200 mode(1.8V I/O) is supported +- mmc-hs200-1_2v: eMMC HS200 mode(1.2V I/O) is supported *NOTE* on CD and WP polarity. To use common for all SD/MMC host controllers line polarity properties, we have to fix the meaning of the "normal" and "inverted" diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt new file mode 100644 index 000000000000..81b33b5b20fc --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt @@ -0,0 +1,55 @@ +* Qualcomm SDHCI controller (sdhci-msm) + +This file documents differences between the core properties in mmc.txt +and the properties used by the sdhci-msm driver. + +Required properties: +- compatible: Should contain "qcom,sdhci-msm-v4". +- reg: Base address and length of the register in the following order: + - Host controller register map (required) + - SD Core register map (required) +- interrupts: Should contain an interrupt-specifiers for the interrupts: + - Host controller interrupt (required) +- pinctrl-names: Should contain only one value - "default". +- pinctrl-0: Should specify pin control groups used for this controller. +- clocks: A list of phandle + clock-specifier pairs for the clocks listed in clock-names. +- clock-names: Should contain the following: + "iface" - Main peripheral bus clock (PCLK/HCLK - AHB Bus clock) (required) + "core" - SDC MMC clock (MCLK) (required) + "bus" - SDCC bus voter clock (optional) + +Example: + + sdhc_1: sdhci@f9824900 { + compatible = "qcom,sdhci-msm-v4"; + reg = <0xf9824900 0x11c>, <0xf9824000 0x800>; + interrupts = <0 123 0>; + bus-width = <8>; + non-removable; + + vmmc = <&pm8941_l20>; + vqmmc = <&pm8941_s3>; + + pinctrl-names = "default"; + pinctrl-0 = <&sdc1_clk &sdc1_cmd &sdc1_data>; + + clocks = <&gcc GCC_SDCC1_APPS_CLK>, <&gcc GCC_SDCC1_AHB_CLK>; + clock-names = "core", "iface"; + }; + + sdhc_2: sdhci@f98a4900 { + compatible = "qcom,sdhci-msm-v4"; + reg = <0xf98a4900 0x11c>, <0xf98a4000 0x800>; + interrupts = <0 125 0>; + bus-width = <4>; + cd-gpios = <&msmgpio 62 0x1>; + + vmmc = <&pm8941_l21>; + vqmmc = <&pm8941_l13>; + + pinctrl-names = "default"; + pinctrl-0 = <&sdc2_clk &sdc2_cmd &sdc2_data>; + + clocks = <&gcc GCC_SDCC2_APPS_CLK>, <&gcc GCC_SDCC2_AHB_CLK>; + clock-names = "core", "iface"; + }; diff --git a/Documentation/devicetree/bindings/mmc/sdhci-pxa.txt b/Documentation/devicetree/bindings/mmc/sdhci-pxa.txt index dbe98a3c183a..86223c3eda90 100644 --- a/Documentation/devicetree/bindings/mmc/sdhci-pxa.txt +++ b/Documentation/devicetree/bindings/mmc/sdhci-pxa.txt @@ -4,7 +4,14 @@ This file documents differences between the core properties in mmc.txt and the properties used by the sdhci-pxav2 and sdhci-pxav3 drivers. Required properties: -- compatible: Should be "mrvl,pxav2-mmc" or "mrvl,pxav3-mmc". +- compatible: Should be "mrvl,pxav2-mmc", "mrvl,pxav3-mmc" or + "marvell,armada-380-sdhci". +- reg: + * for "mrvl,pxav2-mmc" and "mrvl,pxav3-mmc", one register area for + the SDHCI registers. + * for "marvell,armada-380-sdhci", two register areas. The first one + for the SDHCI registers themselves, and the second one for the + AXI/Mbus bridge registers of the SDHCI unit. Optional properties: - mrvl,clk-delay-cycles: Specify a number of cycles to delay for tuning. @@ -19,3 +26,11 @@ sdhci@d4280800 { non-removable; mrvl,clk-delay-cycles = <31>; }; + +sdhci@d8000 { + compatible = "marvell,armada-380-sdhci"; + reg = <0xd8000 0x1000>, <0xdc000 0x100>; + interrupts = <0 25 0x4>; + clocks = <&gateclk 17>; + mrvl,clk-delay-cycles = <0x1F>; +}; diff --git a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt index 8c8908ab84ba..ce8056116fb0 100644 --- a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt +++ b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt @@ -10,6 +10,7 @@ Required properties: - compatible: Should be "ti,omap2-hsmmc", for OMAP2 controllers Should be "ti,omap3-hsmmc", for OMAP3 controllers + Should be "ti,omap3-pre-es3-hsmmc" for OMAP3 controllers pre ES3.0 Should be "ti,omap4-hsmmc", for OMAP4 controllers - ti,hwmods: Must be "mmc<n>", n is controller instance starting 1 diff --git a/Documentation/devicetree/bindings/regulator/pbias-regulator.txt b/Documentation/devicetree/bindings/regulator/pbias-regulator.txt new file mode 100644 index 000000000000..32aa26f1e434 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/pbias-regulator.txt @@ -0,0 +1,27 @@ +PBIAS internal regulator for SD card dual voltage i/o pads on OMAP SoCs. + +Required properties: +- compatible: + - "ti,pbias-omap" for OMAP2, OMAP3, OMAP4, OMAP5, DRA7. +- reg: pbias register offset from syscon base and size of pbias register. +- syscon : phandle of the system control module +- regulator-name : should be + pbias_mmc_omap2430 for OMAP2430, OMAP3 SoCs + pbias_sim_omap3 for OMAP3 SoCs + pbias_mmc_omap4 for OMAP4 SoCs + pbias_mmc_omap5 for OMAP5 and DRA7 SoC + +Optional properties: +- Any optional property defined in bindings/regulator/regulator.txt + +Example: + + pbias_regulator: pbias_regulator { + compatible = "ti,pbias-omap"; + reg = <0 0x4>; + syscon = <&omap5_padconf_global>; + pbias_mmc_reg: pbias_mmc_omap5 { + regulator-name = "pbias_mmc_omap5"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3000000>; + }; |