ARM: dts: mx23: add gpmi nand support

Add DT node for gpmi nand.
Also add pinctrl for gpmi nand.

Enable the gpmi-nand in mx23-evk board.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

2 files changed, 49 insertions, 6 deletions

diff --git a/arch/arm/boot/dts/imx23-evk.dts b/arch/arm/boot/dts/imx23-evk.dts
index 9d674cabc3b4..e3486f486b40 100644
--- a/arch/arm/boot/dts/imx23-evk.dts
+++ b/arch/arm/boot/dts/imx23-evk.dts
@@ -22,6 +22,12 @@
 
         apb@80000000 {
                 apbh@80000000 {
+                        gpmi-nand@8000c000 {
+                                pinctrl-names = "default";
+                                pinctrl-0 = <&gpmi_pins_a &gpmi_pins_fixup>;
+                                status = "okay";
+                        };
+
                         ssp0: ssp@80010000 {
                                 compatible = "fsl,imx23-mmc";
                                 pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi
index 766213428331..a874dbfb5ae6 100644
--- a/arch/arm/boot/dts/imx23.dtsi
+++ b/arch/arm/boot/dts/imx23.dtsi
@@ -59,13 +59,15 @@
                                 status = "disabled";
                         };
 
-                        bch@8000a000 {
-                                reg = <0x8000a000 2000>;
-                                status = "disabled";
-                        };
-
                         gpmi-nand@8000c000 {
-                                reg = <0x8000c000 2000>;
+                                compatible = "fsl,imx23-gpmi-nand";
+                                #address-cells = <1>;
+                                #size-cells = <1>;
+                                reg = <0x8000c000 2000>, <0x8000a000 2000>;
+                                reg-names = "gpmi-nand", "bch";
+                                interrupts = <13>, <56>;
+                                interrupt-names = "gpmi-dma", "bch";
+                                fsl,gpmi-dma-channel = <4>;
                                 status = "disabled";
                         };
 
@@ -138,6 +140,41 @@
                                         fsl,pull-up = <0>;
                                 };
 
+                                gpmi_pins_a: gpmi-nand@0 {
+                                        reg = <0>;
+                                        fsl,pinmux-ids = <
+                                                0x0000 /* MX23_PAD_GPMI_D00__GPMI_D00 */
+                                                0x0010 /* MX23_PAD_GPMI_D01__GPMI_D01 */
+                                                0x0020 /* MX23_PAD_GPMI_D02__GPMI_D02 */
+                                                0x0030 /* MX23_PAD_GPMI_D03__GPMI_D03 */
+                                                0x0040 /* MX23_PAD_GPMI_D04__GPMI_D04 */
+                                                0x0050 /* MX23_PAD_GPMI_D05__GPMI_D05 */
+                                                0x0060 /* MX23_PAD_GPMI_D06__GPMI_D06 */
+                                                0x0070 /* MX23_PAD_GPMI_D07__GPMI_D07 */
+                                                0x0100 /* MX23_PAD_GPMI_CLE__GPMI_CLE */
+                                                0x0110 /* MX23_PAD_GPMI_ALE__GPMI_ALE */
+                                                0x0130 /* MX23_PAD_GPMI_RDY0__GPMI_RDY0 */
+                                                0x0140 /* MX23_PAD_GPMI_RDY1__GPMI_RDY1 */
+                                                0x0170 /* MX23_PAD_GPMI_WPN__GPMI_WPN */
+                                                0x0180 /* MX23_PAD_GPMI_WRN__GPMI_WRN */
+                                                0x0190 /* MX23_PAD_GPMI_RDN__GPMI_RDN */
+                                                0x21b0 /* MX23_PAD_GPMI_CE1N__GPMI_CE1N */
+                                                0x21c0 /* MX23_PAD_GPMI_CE0N__GPMI_CE0N */
+                                        >;
+                                        fsl,drive-strength = <0>;
+                                        fsl,voltage = <1>;
+                                        fsl,pull-up = <0>;
+                                };
+
+                                gpmi_pins_fixup: gpmi-pins-fixup {
+                                        fsl,pinmux-ids = <
+                                                0x0170 /* MX23_PAD_GPMI_WPN__GPMI_WPN */
+                                                0x0180 /* MX23_PAD_GPMI_WRN__GPMI_WRN */
+                                                0x0190 /* MX23_PAD_GPMI_RDN__GPMI_RDN */
+                                        >;
+                                        fsl,drive-strength = <2>;
+                                };
+
                                 mmc0_4bit_pins_a: mmc0-4bit@0 {
                                         reg = <0>;
                                         fsl,pinmux-ids = <