diff options
| author | Ilya Ledvich <ilya@compulab.co.il> | 2015-11-24 16:02:10 +0200 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2015-11-30 14:03:47 -0800 |
| commit | 440c3a1c65c16784420ff87af2e903c3b0fe9e5f (patch) | |
| tree | 68e9d658a155962146d6cc049c3d0f7ab314e6de /arch/arm/boot/dts/am335x-cm-t335.dts | |
| parent | 43577ecfcaa28bb21bd19739c35d96c444bdf1a8 (diff) | |
ARM: dts: cm-t335: add support for NAND flash
Add pinmux configuration for NAND specific GPMC pins.
Add description for GPMC controller. Add child node for NAND flash
including CM-T335 specific partition table to GPMC node.
Enable error-location module (ELM).
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Ilya Ledvich <ilya@compulab.co.il>
Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot/dts/am335x-cm-t335.dts')
| -rw-r--r-- | arch/arm/boot/dts/am335x-cm-t335.dts | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am335x-cm-t335.dts b/arch/arm/boot/dts/am335x-cm-t335.dts index 9fc2f011ea47..57c8b031369c 100644 --- a/arch/arm/boot/dts/am335x-cm-t335.dts +++ b/arch/arm/boot/dts/am335x-cm-t335.dts @@ -62,6 +62,41 @@ >; }; + nandflash_pins: pinmux_nandflash_pins { + pinctrl-single,pins = < + /* gpmc_ad0.gpmc_ad0 */ + AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP | MUX_MODE0) + /* gpmc_ad1.gpmc_ad1 */ + AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP | MUX_MODE0) + /* gpmc_ad2.gpmc_ad2 */ + AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP | MUX_MODE0) + /* gpmc_ad3.gpmc_ad3 */ + AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP | MUX_MODE0) + /* gpmc_ad4.gpmc_ad4 */ + AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP | MUX_MODE0) + /* gpmc_ad5.gpmc_ad5 */ + AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP | MUX_MODE0) + /* gpmc_ad6.gpmc_ad6 */ + AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP | MUX_MODE0) + /* gpmc_ad7.gpmc_ad7 */ + AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP | MUX_MODE0) + /* gpmc_wait0.gpmc_wait0 */ + AM33XX_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE0) + /* gpmc_wpn.gpio0_30 */ + AM33XX_IOPAD(0x874, PIN_INPUT_PULLUP | MUX_MODE7) + /* gpmc_csn0.gpmc_csn0 */ + AM33XX_IOPAD(0x87c, PIN_OUTPUT | MUX_MODE0) + /* gpmc_advn_ale.gpmc_advn_ale */ + AM33XX_IOPAD(0x890, PIN_OUTPUT | MUX_MODE0) + /* gpmc_oen_ren.gpmc_oen_ren */ + AM33XX_IOPAD(0x894, PIN_OUTPUT | MUX_MODE0) + /* gpmc_wen.gpmc_wen */ + AM33XX_IOPAD(0x898, PIN_OUTPUT | MUX_MODE0) + /* gpmc_ben0_cle.gpmc_ben0_cle */ + AM33XX_IOPAD(0x89c, PIN_OUTPUT | MUX_MODE0) + >; + }; + uart0_pins: pinmux_uart0_pins { pinctrl-single,pins = < /* uart0_rxd.uart0_rxd */ @@ -97,3 +132,74 @@ reg = <0x56>; }; }; + +&gpmc { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&nandflash_pins>; + ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */ + nand@0,0 { + reg = <0 0 0>; /* CS0, offset 0 */ + ti,nand-ecc-opt = "bch8"; + ti,elm-id = <&elm>; + nand-bus-width = <8>; + 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,wait-on-read = "true"; + gpmc,wait-on-write = "true"; + gpmc,bus-turnaround-ns = <0>; + gpmc,cycle2cycle-delay-ns = <0>; + gpmc,clk-activation-ns = <0>; + gpmc,wait-monitoring-ns = <0>; + gpmc,wr-access-ns = <40>; + gpmc,wr-data-mux-bus-ns = <0>; + /* MTD partition table */ + #address-cells = <1>; + #size-cells = <1>; + partition@0 { + label = "spl"; + reg = <0x00000000 0x00200000>; + }; + partition@1 { + label = "uboot"; + reg = <0x00200000 0x00100000>; + }; + partition@2 { + label = "uboot environment"; + reg = <0x00300000 0x00100000>; + }; + partition@3 { + label = "dtb"; + reg = <0x00400000 0x00100000>; + }; + partition@4 { + label = "splash"; + reg = <0x00500000 0x00400000>; + }; + partition@5 { + label = "linux"; + reg = <0x00900000 0x00600000>; + }; + partition@6 { + label = "rootfs"; + reg = <0x00F00000 0>; + }; + }; +}; + +&elm { + status = "okay"; +}; |