ARM: dts: at91: sam9x60ek: Enable NAND support

Enable the EBI and NAND flash controller. Define the pinctrl and
partition table

Signed-off-by: Balamanikandan Gunasundar <balamanikandan.gunasundar@microchip.com>

diff --git a/arch/arm/dts/sam9x60ek.dts b/arch/arm/dts/sam9x60ek.dts
index eb44868a3e3e6cbe67c1f599f27d33f8ad3eaacf..1a02e2cb79e43dc802e8a099eb76f55425c85d74 100644 (file)
--- a/arch/arm/dts/sam9x60ek.dts
+++ b/arch/arm/dts/sam9x60ek.dts
@@ -80,6 +80,44 @@
                        };
 
                        pinctrl {
+                               nand {
+                                       pinctrl_nand_oe_we: nand-oe-we-0 {
+                                               atmel,pins =
+                                                       <AT91_PIOD 0 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
+                                                        AT91_PIOD 1 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>;
+                                       };
+
+                                       pinctrl_nand_rb: nand-rb-0 {
+                                               atmel,pins =
+                                                       <AT91_PIOD 5 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
+                                       };
+
+                                       pinctrl_nand_cs: nand-cs-0 {
+                                               atmel,pins =
+                                                       <AT91_PIOD 4 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
+                                       };
+                               };
+
+                               ebi {
+                                       pinctrl_ebi_data_0_7: ebi-data-lsb-0 {
+                                               atmel,pins =
+                                                       <AT91_PIOD 6 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
+                                                        AT91_PIOD 7 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
+                                                        AT91_PIOD 8 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
+                                                        AT91_PIOD 9 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
+                                                        AT91_PIOD 10 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
+                                                        AT91_PIOD 11 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
+                                                        AT91_PIOD 12 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
+                                                        AT91_PIOD 13 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>;
+                                       };
+
+                                       pinctrl_ebi_addr_nand: ebi-addr-0 {
+                                               atmel,pins =
+                                                       <AT91_PIOD 2 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
+                                                        AT91_PIOD 3 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>;
+                                       };
+                               };
+
                                pinctrl_qspi: qspi {
                                        atmel,pins =
                                                <AT91_PIOB 19 AT91_PERIPH_A AT91_PINCTRL_NONE
@@ -106,6 +144,71 @@
        };
 };
 
+&ebi {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_ebi_addr_nand &pinctrl_ebi_data_0_7>;
+       status = "okay";
+
+       nand_controller: nand-controller {
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_nand_oe_we &pinctrl_nand_cs &pinctrl_nand_rb>;
+               status = "okay";
+
+               nand@3 {
+                       reg = <0x3 0x0 0x800000>;
+                       rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
+                       cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
+                       nand-bus-width = <8>;
+                       nand-ecc-mode = "hw";
+                       nand-ecc-strength = <8>;
+                       nand-ecc-step-size = <512>;
+                       nand-on-flash-bbt;
+                       label = "atmel_nand";
+
+                       partitions {
+                               compatible = "fixed-partitions";
+                               #address-cells = <1>;
+                               #size-cells = <1>;
+
+                               at91bootstrap@0 {
+                                       label = "at91bootstrap";
+                                       reg = <0x0 0x40000>;
+                               };
+
+                               uboot@40000 {
+                                       label = "u-boot";
+                                       reg = <0x40000 0xc0000>;
+                               };
+
+                               ubootenvred@100000 {
+                                       label = "U-Boot Env Redundant";
+                                       reg = <0x100000 0x40000>;
+                               };
+
+                               ubootenv@140000 {
+                                       label = "U-Boot Env";
+                                       reg = <0x140000 0x40000>;
+                               };
+
+                               dtb@180000 {
+                                       label = "device tree";
+                                       reg = <0x180000 0x80000>;
+                               };
+
+                               kernel@200000 {
+                                       label = "kernel";
+                                       reg = <0x200000 0x600000>;
+                               };
+
+                               rootfs@800000 {
+                                       label = "rootfs";
+                                       reg = <0x800000 0x1f800000>;
+                               };
+                       };
+               };
+       };
+};
+
 &macb0 {
        phy-mode = "rmii";
        status = "okay";