ARM: imx6q: add DT node for gpmi nand

Add the DT node for gpmi nand.
Add the pinmux support for gpmi nand.

The gpmi nand may conflicts with other modules, such as MMC.
So we do not enable the gpmi nand for mx6q-arm2 board, just add the
node for the board.

Acked-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

diff --git a/arch/arm/boot/dts/imx6q-arm2.dts b/arch/arm/boot/dts/imx6q-arm2.dts
index db4c6096c562eaea2415570934b4cd7fad4a981a..d792581672cc0ca1710ffaa232f9837f29e722b6 100644 (file)
--- a/arch/arm/boot/dts/imx6q-arm2.dts
+++ b/arch/arm/boot/dts/imx6q-arm2.dts
@@ -22,6 +22,12 @@
        };
 
        soc {
+               gpmi-nand@00112000 {
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&pinctrl_gpmi_nand_1>;
+                       status = "disabled"; /* gpmi nand conflicts with SD */
+               };
+
                aips-bus@02100000 { /* AIPS2 */
                        ethernet@02188000 {
                                phy-mode = "rgmii";

diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi
index 31977447ec4a7004764fd0644f8d47ac8b9b5c4c..16a3884ac9d723e298a65f3ee8e4771174de2e75 100644 (file)
--- a/arch/arm/boot/dts/imx6q.dtsi
+++ b/arch/arm/boot/dts/imx6q.dtsi
@@ -92,6 +92,18 @@
                        reg = <0x00110000 0x2000>;
                };
 
+               gpmi-nand@00112000 {
+                      compatible = "fsl,imx6q-gpmi-nand";
+                      #address-cells = <1>;
+                      #size-cells = <1>;
+                      reg = <0x00112000 0x2000>, <0x00114000 0x2000>;
+                      reg-names = "gpmi-nand", "bch";
+                      interrupts = <0 13 0x04>, <0 15 0x04>;
+                      interrupt-names = "gpmi-dma", "bch";
+                      fsl,gpmi-dma-channel = <0>;
+                      status = "disabled";
+               };
+
                timer@00a00600 {
                        compatible = "arm,cortex-a9-twd-timer";
                        reg = <0x00a00600 0x20>;
@@ -500,6 +512,30 @@
                                        };
                                };
 
+                               gpmi-nand {
+                                       pinctrl_gpmi_nand_1: gpmi-nand-1 {
+                                               fsl,pins = <1328 0xb0b1         /* MX6Q_PAD_NANDF_CLE__RAWNAND_CLE */
+                                                           1336 0xb0b1         /* MX6Q_PAD_NANDF_ALE__RAWNAND_ALE */
+                                                           1344 0xb0b1         /* MX6Q_PAD_NANDF_WP_B__RAWNAND_RESETN */
+                                                           1352 0xb000         /* MX6Q_PAD_NANDF_RB0__RAWNAND_READY0 */
+                                                           1360 0xb0b1         /* MX6Q_PAD_NANDF_CS0__RAWNAND_CE0N */
+                                                           1365 0xb0b1         /* MX6Q_PAD_NANDF_CS1__RAWNAND_CE1N */
+                                                           1371 0xb0b1         /* MX6Q_PAD_NANDF_CS2__RAWNAND_CE2N */
+                                                           1378 0xb0b1         /* MX6Q_PAD_NANDF_CS3__RAWNAND_CE3N */
+                                                           1387 0xb0b1         /* MX6Q_PAD_SD4_CMD__RAWNAND_RDN */
+                                                           1393 0xb0b1         /* MX6Q_PAD_SD4_CLK__RAWNAND_WRN */
+                                                           1397 0xb0b1         /* MX6Q_PAD_NANDF_D0__RAWNAND_D0 */
+                                                           1405 0xb0b1         /* MX6Q_PAD_NANDF_D1__RAWNAND_D1 */
+                                                           1413 0xb0b1         /* MX6Q_PAD_NANDF_D2__RAWNAND_D2 */
+                                                           1421 0xb0b1         /* MX6Q_PAD_NANDF_D3__RAWNAND_D3 */
+                                                           1429 0xb0b1         /* MX6Q_PAD_NANDF_D4__RAWNAND_D4 */
+                                                           1437 0xb0b1         /* MX6Q_PAD_NANDF_D5__RAWNAND_D5 */
+                                                           1445 0xb0b1         /* MX6Q_PAD_NANDF_D6__RAWNAND_D6 */
+                                                           1453 0xb0b1         /* MX6Q_PAD_NANDF_D7__RAWNAND_D7 */
+                                                           1463 0x00b1>;       /* MX6Q_PAD_SD4_DAT0__RAWNAND_DQS */
+                                       };
+                               };
+
                                i2c1 {
                                        pinctrl_i2c1_1: i2c1grp-1 {
                                                fsl,pins = <137 0x4001b8b1      /* MX6Q_PAD_EIM_D21__I2C1_SCL */