MMC1 is the only MMC interface available on the platform. Further, since the platform is based on older revision of SoC which is not capable of doing multi-block reads, mark it with compatibility for the same and add pinmux to ensure that all relevant pins are configured for non-MMC boot mode. Signed-off-by: Nishanth Menon <nm@xxxxxx> --- Changes since V1: - fixed commit message as suggested by Balaji. - update to use new compatible match for the erratum. V1: https://patchwork.kernel.org/patch/3514881/ arch/arm/boot/dts/omap3-ldp.dts | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm/boot/dts/omap3-ldp.dts b/arch/arm/boot/dts/omap3-ldp.dts index ddce0d8..0abe986 100644 --- a/arch/arm/boot/dts/omap3-ldp.dts +++ b/arch/arm/boot/dts/omap3-ldp.dts @@ -174,8 +174,20 @@ }; &mmc1 { + /* See 35xx errata 2.1.1.128 in SPRZ278F */ + compatible = "ti,omap3-pre-es3-hsmmc"; vmmc-supply = <&vmmc1>; bus-width = <4>; + pinctrl-names = "default"; + pinctrl-0 = <&mmc1_pins>; +}; + +&mmc2 { + status="disabled"; +}; + +&mmc3 { + status="disabled"; }; &omap3_pmx_core { @@ -209,6 +221,17 @@ 0x174 (PIN_OUTPUT | MUX_MODE0) /* hsusb0_stp.hsusb0_stp */ >; }; + + mmc1_pins: pinmux_mmc1_pins { + pinctrl-single,pins = < + OMAP3_CORE1_IOPAD(0x2144, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_clk.mmc1_clk */ + OMAP3_CORE1_IOPAD(0x2146, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_cmd.mmc1_cmd */ + OMAP3_CORE1_IOPAD(0x2148, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_dat0.mmc1_dat0 */ + OMAP3_CORE1_IOPAD(0x214A, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_dat1.mmc1_dat1 */ + OMAP3_CORE1_IOPAD(0x214C, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_dat2.mmc1_dat2 */ + OMAP3_CORE1_IOPAD(0x214e, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_dat3.mmc1_dat3 */ + >; + }; }; &usb_otg_hs { -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
