On Tue, Feb 07, 2017 at 05:13:25PM +0900, Andi Shyti wrote:
> Add the device tree node for the ir-spi driver which enable the
> ir led for remote controlling.
>
> This patch sets first the GPR3[3] gpio line as a regulator-fixed
> for enabling an external regulator which powers the IR LED.
>
> Removes also the default assignment of the GPG3[5] and GPG3[7]
> related to the SPI3 line.
>
> Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxxx>
> ---
> .../boot/dts/exynos/exynos5433-tm2-common.dtsi | 27 ++++++++++++++++++++--
> 1 file changed, 25 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> index 098ad557fee3..c61df2318d8b 100644
> --- a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> @@ -106,6 +106,13 @@
> };
> };
>
> + irda_regulator: irda-regulator {
> + compatible = "regulator-fixed";
> + enable-active-high;
> + gpio = <&gpr3 3 0>;
GPIO_ACTIVE_HIGH
> + regulator-name = "irda_regulator";
> + };
> +
> sound {
> compatible = "samsung,tm2-audio";
> audio-codec = <&wm5110>;
> @@ -1073,8 +1080,6 @@
>
> PIN(INPUT, gpg3-0, DOWN, FAST_SR1);
> PIN(INPUT, gpg3-1, DOWN, FAST_SR1);
> - PIN(INPUT, gpg3-5, DOWN, FAST_SR1);
> - PIN(INPUT, gpg3-7, DOWN, FAST_SR1);
I think gpg3-5 would be missing its configuration. It is not present in
spi3 bus pins. Is it a chip select pin? If you remove the default
configuration, it will still work as input-pull down because no one is
setting different config. Why you need to touch gpg3-5?
Best regards,
Krzysztof
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