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ARM: mx28: add gpmi-nand support 

add gpmi-nand device tree support.
add gpmi-nand pinctrl support.

Also enable the gpmi support for mx28-evk board.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Huang Shijie 2012-05-25 17:25:35 +08:00 committed by Shawn Guo
parent 6887a4131d
commit 7a8e5149ef
2 changed files with 32 additions and 9 deletions
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6
arch/arm/boot/dts/imx28-evk.dts
View File

@ -22,6 +22,12 @@
apb@80000000 {
apbh@80000000 {
gpmi-nand@8000c000 {
pinctrl-names = "default";
pinctrl-0 = <&gpmi_pins_a &gpmi_status_cfg>;
status = "okay";
};
ssp0: ssp@80010000 {
compatible = "fsl,imx28-mmc";
pinctrl-names = "default";

35
arch/arm/boot/dts/imx28.dtsi
View File

@ -68,15 +68,15 @@
status = "disabled";
};
bch@8000a000 {
reg = <0x8000a000 2000>;
interrupts = <41>;
status = "disabled";
};
gpmi@8000c000 {
reg = <0x8000c000 2000>;
interrupts = <42 88>;
gpmi-nand@8000c000 {
compatible = "fsl,imx28-gpmi-nand";
#address-cells = <1>;
#size-cells = <1>;
reg = <0x8000c000 2000>, <0x8000a000 2000>;
reg-names = "gpmi-nand", "bch";
interrupts = <88>, <41>;
interrupt-names = "gpmi-dma", "bch";
fsl,gpmi-dma-channel = <4>;
status = "disabled";
};
@ -167,6 +167,23 @@
fsl,pull-up = <0>;
};
gpmi_pins_a: gpmi-nand@0 {
reg = <0>;
fsl,pinmux-ids = <0x0000 0x0010 0x0020
0x0030 0x0040 0x0050 0x0060
0x0070 0x0100 0x0110 0x0140
0x0150 0x0180 0x0190 0x01a0
0x01b0 0x01c0>;
fsl,drive-strength = <0>;
fsl,voltage = <1>;
fsl,pull-up = <0>;
};
gpmi_status_cfg: gpmi-status-cfg {
fsl,pinmux-ids = <0x0180 0x0190 0x01c0>;
fsl,drive-strength = <2>;
};
mac0_pins_a: mac0@0 {
reg = <0>;
fsl,pinmux-ids = <0x4000 0x4010 0x4020