diff options
| author |   Nikita Kiryanov <nikita@compulab.co.il> | 2015-12-01 15:54:59 +0200 |
|---|---|---|
| committer |   Tony Lindgren <tony@atomide.com> | 2015-12-03 08:12:57 -0800 |
| commit | 81fb61fc2e3cd66223a79287cbb6bf410ae7af80 (patch) | |
| tree | 9515e065fe2d75be9e426113efe8403021c35848 /arch/arm/boot/dts/am437x-cm-t43.dts | |
| parent | ARM: dts: am437x: cm-t43: add PMIC support. (diff) | |
| download | linux-dev-81fb61fc2e3cd66223a79287cbb6bf410ae7af80.tar.xz linux-dev-81fb61fc2e3cd66223a79287cbb6bf410ae7af80.zip | |
ARM: dts: am437x: cm-t43: add spi-flash support
CM-T43 has an on-board 2MB SPI-flash which stores U-Boot and the U-Boot
environment. Add it to the device tree.
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Benoit Cousson <bcousson@baylibre.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Dmitry Lifshitz <lifshitz@compulab.co.il>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot/dts/am437x-cm-t43.dts')
| -rw-r--r-- | arch/arm/boot/dts/am437x-cm-t43.dts | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am437x-cm-t43.dts b/arch/arm/boot/dts/am437x-cm-t43.dts index 27b748a763d3..27e594823867 100644 --- a/arch/arm/boot/dts/am437x-cm-t43.dts +++ b/arch/arm/boot/dts/am437x-cm-t43.dts @@ -44,6 +44,15 @@ AM4372_IOPAD(0x98c, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_scl.i2c0_scl */ >; }; + + spi0_pins: pinmux_spi0_pins { + pinctrl-single,pins = < + AM4372_IOPAD(0x950, PIN_INPUT | MUX_MODE0) /* spi0_sclk.spi0_sclk */ + AM4372_IOPAD(0x954, PIN_INPUT | MUX_MODE0) /* spi0_d0.spi0_d0 */ + AM4372_IOPAD(0x958, PIN_OUTPUT | MUX_MODE0) /* spi0_d1.spi0_d1 */ + AM4372_IOPAD(0x95C, PIN_OUTPUT | MUX_MODE0) /* spi0_cs0.spi0_cs0 */ + >; + }; }; &i2c0 { @@ -146,6 +155,37 @@ status = "okay"; }; +&spi0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&spi0_pins>; + dmas = <&edma 16 + &edma 17>; + dma-names = "tx0", "rx0"; + + flash: w25q64cvzpig@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "jedec,spi-nor"; + reg = <0>; + 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 0x100000>; + }; + }; +}; + &uart0 { status = "okay"; }; |