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| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2015-08-24 10:20:01 +0300 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2015-10-12 14:58:22 -0700 |
| commit | c5d294db75d16b30935fd3be8eef96d82f78355a (patch) | |
| tree | 2cee7bc8e817e024cb82e1f38c7a6a9a3018463f /arch/arm/boot/dts/dra7-evm.dts | |
| parent | d6818223cd46542ed0162ad6208a3425e79fd514 (diff) | |
| download | lwn-c5d294db75d16b30935fd3be8eef96d82f78355a.tar.gz lwn-c5d294db75d16b30935fd3be8eef96d82f78355a.zip | |
ARM: dts: dra7-evm: Enable pcf8575 (0x26 address) on i2c2 bus
This GPIO expander is used for controlling various muxes on the board.
By default select audio functionality over VIN6 by setting the P1
(vin6_sel_s0) pin to low.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot/dts/dra7-evm.dts')
| -rw-r--r-- | arch/arm/boot/dts/dra7-evm.dts | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts index add77ac4f302..3694046c29eb 100644 --- a/arch/arm/boot/dts/dra7-evm.dts +++ b/arch/arm/boot/dts/dra7-evm.dts @@ -438,6 +438,20 @@ pinctrl-names = "default"; pinctrl-0 = <&i2c2_pins>; clock-frequency = <400000>; + + pcf_hdmi: gpio@26 { + compatible = "nxp,pcf8575"; + reg = <0x26>; + gpio-controller; + #gpio-cells = <2>; + p1 { + /* vin6_sel_s0: high: VIN6, low: audio */ + gpio-hog; + gpios = <1 GPIO_ACTIVE_HIGH>; + output-low; + line-name = "vin6_sel_s0"; + }; + }; }; &i2c3 { |