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ARM: dts: cm-t335: add support for MMC

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Add pinmux configuration for MMC0 pins.
Add fixed regulator 'vmmc_fixed'.
Enable MMC0 in 4-bit mode.

Signed-off-by: Ilya Ledvich <ilya@compulab.co.il>
Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Ilya Ledvich 2015-11-24 16:02:11 +02:00 committed by Tony Lindgren
parent 440c3a1c65
commit 54f0c5ceba
1 changed files with 33 additions and 0 deletions
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33
arch/arm/boot/dts/am335x-cm-t335.dts
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@ -31,6 +31,14 @@
linux,default-trigger = "heartbeat";
};
};
/* regulator for mmc */
vmmc_fixed: fixedregulator@0 {
compatible = "regulator-fixed";
regulator-name = "vmmc_fixed";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
};
&am33xx_pinmux {
@ -105,6 +113,23 @@
AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
>;
};
mmc1_pins: pinmux_mmc1_pins {
pinctrl-single,pins = <
/* mmc0_dat3.mmc0_dat3 */
AM33XX_IOPAD(0x8f0, PIN_INPUT_PULLUP | MUX_MODE0)
/* mmc0_dat2.mmc0_dat2 */
AM33XX_IOPAD(0x8f4, PIN_INPUT_PULLUP | MUX_MODE0)
/* mmc0_dat1.mmc0_dat1 */
AM33XX_IOPAD(0x8f8, PIN_INPUT_PULLUP | MUX_MODE0)
/* mmc0_dat0.mmc0_dat0 */
AM33XX_IOPAD(0x8fc, PIN_INPUT_PULLUP | MUX_MODE0)
/* mmc0_clk.mmc0_clk */
AM33XX_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0)
/* mmc0_cmd.mmc0_cmd */
AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0)
>;
};
};
&uart0 {
@ -203,3 +228,11 @@
&elm {
status = "okay";
};
&mmc1 {
status = "okay";
vmmc-supply = <&vmmc_fixed>;
bus-width = <4>;
pinctrl-names = "default";
pinctrl-0 = <&mmc1_pins>;
};