UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

ARM: dts: am437x: cm-t43: add eMMC support 

One of the CompuLab cm-t43 configurations comes with on-board eMMC as
primary storage, residing on the mmc2 interface. Add it to the device tree.

Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Benoit Cousson <bcousson@baylibre.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Dmitry Lifshitz <lifshitz@compulab.co.il>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Nikita Kiryanov 2015-12-01 15:55:03 +02:00 committed by Tony Lindgren
parent 9fc830b037
commit e7f83e8f3d
1 changed files with 33 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
arch/arm/boot/dts/am437x-cm-t43.dts
View File

@ -26,6 +26,15 @@
linux,default-trigger = "heartbeat";
};
};
vmmc_3v3: fixedregulator-v3_3 {
compatible = "regulator-fixed";
regulator-name = "vmmc_3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
enable-active-high;
};
};
&am43xx_pinmux {
@ -45,6 +54,21 @@
>;
};
emmc_pins: emmc_pins {
pinctrl-single,pins = <
AM4372_IOPAD(0x820, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad8.mmc1_dat0 */
AM4372_IOPAD(0x824, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad9.mmc1_dat1 */
AM4372_IOPAD(0x828, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad10.mmc1_dat2 */
AM4372_IOPAD(0x82c, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad11.mmc1_dat3 */
AM4372_IOPAD(0x830, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad12.mmc1_dat4 */
AM4372_IOPAD(0x834, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad13.mmc1_dat5 */
AM4372_IOPAD(0x838, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad14.mmc1_dat6 */
AM4372_IOPAD(0x83c, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad15.mmc1_dat7 */
AM4372_IOPAD(0x880, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */
AM4372_IOPAD(0x884, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn2.mmc1_cmd */
>;
};
spi0_pins: pinmux_spi0_pins {
pinctrl-single,pins = <
AM4372_IOPAD(0x950, PIN_INPUT | MUX_MODE0) /* spi0_sclk.spi0_sclk */
@ -271,6 +295,15 @@
status = "okay";
};
&mmc2 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&emmc_pins>;
vmmc-supply = <&vmmc_3v3>;
bus-width = <8>;
ti,non-removable;
};
&spi0 {
status = "okay";
pinctrl-names = "default";