diff options
Diffstat (limited to 'arch/arm/dts/am335x-olimex-som-nand.dts')
| -rw-r--r-- | arch/arm/dts/am335x-olimex-som-nand.dts | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/arch/arm/dts/am335x-olimex-som-nand.dts b/arch/arm/dts/am335x-olimex-som-nand.dts new file mode 100644 index 0000000000..bbae3b9a03 --- /dev/null +++ b/arch/arm/dts/am335x-olimex-som-nand.dts @@ -0,0 +1,127 @@ +/* + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +/dts-v1/; + +#include "am335x-olimex.dtsi" +#include <dt-bindings/interrupt-controller/irq.h> + +/ { + model = "OLIMEX AM335x-SOM-NAND"; + compatible = "olimex,am335x_som_nand", "ti,am33xx"; +}; + +&am33xx_pinmux { + + nandflash_pins_default: nandflash_pins_default { + pinctrl-single,pins = < + 0x0 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad0.gpmc_ad0 */ + 0x4 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad1.gpmc_ad1 */ + 0x8 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad2.gpmc_ad2 */ + 0xc (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad3.gpmc_ad3 */ + 0x10 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad4.gpmc_ad4 */ + 0x14 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad5.gpmc_ad5 */ + 0x18 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad6.gpmc_ad6 */ + 0x1c (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad7.gpmc_ad7 */ + 0x70 (PIN_INPUT | MUX_MODE0) /* gpmc_wait0.gpmc_wait0 */ + 0x7c (PIN_OUTPUT | MUX_MODE0) /* gpmc_csn0.gpmc_csn0 */ + 0x90 (PIN_OUTPUT | MUX_MODE0) /* gpmc_advn_ale.gpmc_advn_ale */ + 0x94 (PIN_OUTPUT | MUX_MODE0) /* gpmc_oen_ren.gpmc_oen_ren */ + 0x98 (PIN_OUTPUT | MUX_MODE0) /* gpmc_wen.gpmc_wen */ + 0x9c (PIN_OUTPUT | MUX_MODE0) /* gpmc_be0n_cle.gpmc_be0n_cle */ + >; + }; +}; + +&gpmc { + pinctrl-names = "default"; + pinctrl-0 = <&nandflash_pins_default>; + ranges = <0 0 0x08000000 0x20000000>; + status = "okay"; + + nand@0,0 { + compatible = "ti,omap2-nand"; + reg = <0 0 4>; + interrupt-parent = <&gpmc>; + interrupts = <0 IRQ_TYPE_NONE>, <1 IRQ_TYPE_NONE>; + rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; + nand-bus-width = <8>; + ti,nand-ecc-opt = "bch8"; + ti,nand-xfer-type = "polled"; + + gpmc,device-nand = "true"; + gpmc,device-width = <1>; + gpmc,sync-clk-ps = <0>; + gpmc,cs-on-ns = <0>; + gpmc,cs-rd-off-ns = <44>; + gpmc,cs-wr-off-ns = <44>; + gpmc,adv-on-ns = <6>; + gpmc,adv-rd-off-ns = <34>; + gpmc,adv-wr-off-ns = <44>; + gpmc,we-on-ns = <0>; + gpmc,we-off-ns = <40>; + gpmc,oe-on-ns = <0>; + gpmc,oe-off-ns = <54>; + gpmc,access-ns = <64>; + gpmc,rd-cycle-ns = <82>; + gpmc,wr-cycle-ns = <82>; + gpmc,bus-turnaround-ns = <0>; + gpmc,cycle2cycle-delay-ns = <0>; + gpmc,clk-activation-ns = <0>; + gpmc,wr-access-ns = <40>; + gpmc,wr-data-mux-bus-ns = <0>; + + #address-cells = <1>; + #size-cells = <1>; + ti,elm-id = <&elm>; + + partition@0 { + label = "NAND.SPL"; + reg = <0x00000000 0x000020000>; + }; + partition@1 { + label = "NAND.SPL.backup1"; + reg = <0x00020000 0x00020000>; + }; + partition@2 { + label = "NAND.SPL.backup2"; + reg = <0x00040000 0x00020000>; + }; + partition@3 { + label = "NAND.SPL.backup3"; + reg = <0x00060000 0x00020000>; + }; + partition@4 { + label = "NAND.u-boot-spl-os"; + reg = <0x00080000 0x00040000>; + }; + partition@5 { + label = "NAND.u-boot"; + reg = <0x000C0000 0x00100000>; + }; + partition@6 { + label = "NAND.u-boot-env"; + reg = <0x001C0000 0x00020000>; + }; + partition@7 { + label = "NAND.u-boot-env.backup1"; + reg = <0x001E0000 0x00020000>; + }; + partition@8 { + label = "NAND.kernel"; + reg = <0x00200000 0x00800000>; + }; + partition@9 { + label = "NAND.file-system"; + reg = <0x00A00000 0x1F600000>; + }; + }; +}; + +&elm { + status = "okay"; +}; |