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ARM: dts: am57xx: cl-som-am57x: add spi-flash support

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On-board spi-flash chip is used as a main boot device.
Add spi-flash chip support (over QSPI bus).

Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Dmitry Lifshitz 2015-12-01 20:03:08 +02:00 committed by Tony Lindgren
parent 8deb60f535
commit cc2d681420
1 changed files with 42 additions and 0 deletions
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42
arch/arm/boot/dts/am57xx-cl-som-am57x.dts
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@ -93,6 +93,17 @@
DRA7XX_CORE_IOPAD(0x3498, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_a22.mmc2_dat7 */
>;
};
qspi1_pins: pinmux_qspi1_pins {
pinctrl-single,pins = <
DRA7XX_CORE_IOPAD(0x3474, PIN_INPUT | MUX_MODE1) /* gpmc_a13.qspi1_rtclk */
DRA7XX_CORE_IOPAD(0x3480, PIN_INPUT | MUX_MODE1) /* gpmc_a16.qspi1_d0 */
DRA7XX_CORE_IOPAD(0x3484, PIN_INPUT | MUX_MODE1) /* gpmc_a17.qspi1_d1 */
DRA7XX_CORE_IOPAD(0x3488, PIN_INPUT | MUX_MODE1) /* qpmc_a18.qspi1_sclk */
DRA7XX_CORE_IOPAD(0x34b8, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_cs2.qspi1_cs0 */
DRA7XX_CORE_IOPAD(0x34bc, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_cs3.qspi1_cs1 */
>;
};
};
&i2c1 {
@ -331,3 +342,34 @@
ti,non-removable;
cap-mmc-dual-data-rate;
};
&qspi {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&qspi1_pins>;
spi-max-frequency = <20000000>;
spi_flash: spi_flash@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "spansion,m25p80", "jedec,spi-nor";
reg = <0>; /* CS0 */
spi-max-frequency = <20000000>;
partition@0 {
label = "uboot";
reg = <0x0 0xc0000>;
};
partition@c0000 {
label = "uboot environment";
reg = <0xc0000 0x40000>;
};
partition@100000 {
label = "reserved";
reg = <0x100000 0x0>;
};
};
};