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ARM: dts: cm-t335: add support for NAND flash

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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>
This commit is contained in:
Ilya Ledvich 2015-11-24 16:02:10 +02:00 committed by Tony Lindgren
parent 43577ecfca
commit 440c3a1c65
1 changed files with 106 additions and 0 deletions
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106
arch/arm/boot/dts/am335x-cm-t335.dts
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@ -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";
};