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| author | Dmitry Lifshitz <lifshitz@compulab.co.il> | 2015-12-01 19:03:08 +0100 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2015-12-03 17:19:44 +0100 |
| commit | cc2d681420d0fc67c362f1245dbb420d1161918e (patch) | |
| tree | 34ecc9c578063170d3c64b31c73e62db69de02c0 /arch/arm/boot/dts/am57xx-cl-som-am57x.dts | |
| parent | ARM: dts: am57xx: cl-som-am57x: add eMMC support (diff) | |
| download | linux-cc2d681420d0fc67c362f1245dbb420d1161918e.tar.xz linux-cc2d681420d0fc67c362f1245dbb420d1161918e.zip | |
ARM: dts: am57xx: cl-som-am57x: add spi-flash support
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>
Diffstat (limited to 'arch/arm/boot/dts/am57xx-cl-som-am57x.dts')
| -rw-r--r-- | arch/arm/boot/dts/am57xx-cl-som-am57x.dts | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts index ef94845103e3..f7e163ad6b99 100644 --- a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts +++ b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts @@ -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>; + }; + }; +}; |