On Thu, Nov 14, 2013 at 07:07:09PM +0800, Nicolin Chen wrote:
> We must specify the value of audmux pinctrl if we want to use pinctrl_pm().
> Thus change bypass value 0x80000000 to what we exactly need.
>
> This patch also seperately unset PUE bit for TXD so that IOMUX won't pull
> up/down the pin after turning into tristate. When we use SSI normal mode to
> playback monaural audio via I2S signal, there'd be a pulled curve occur to
> its signal at the second slot if setting PUE bit for TXD. And it will make
> the second channel to play a constant noise. So by keeping the signal level
> in the second slot, we can get a constant high level signal (-1) or a low
> level one (0).
>
> Signed-off-by: Nicolin Chen <b42378@xxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/imx6qdl.dtsi | 22 +++++++++++-----------
> 1 file changed, 11 insertions(+), 11 deletions(-)
We have moved all pin groups settings into
arch/arm/boot/dts/imx6qdl-pingrp.h. I just rebased and applied the
patch. Please check my imx/dt branch and ensure I applied the changes
correctly.
Shawn
>
> diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
> index 6e096ca..6b76e55 100644
> --- a/arch/arm/boot/dts/imx6qdl.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl.dtsi
> @@ -601,27 +601,27 @@
> audmux {
> pinctrl_audmux_1: audmux-1 {
> fsl,pins = <
> - MX6QDL_PAD_SD2_DAT0__AUD4_RXD 0x80000000
> - MX6QDL_PAD_SD2_DAT3__AUD4_TXC 0x80000000
> - MX6QDL_PAD_SD2_DAT2__AUD4_TXD 0x80000000
> - MX6QDL_PAD_SD2_DAT1__AUD4_TXFS 0x80000000
> + MX6QDL_PAD_SD2_DAT0__AUD4_RXD 0x130b0
> + MX6QDL_PAD_SD2_DAT3__AUD4_TXC 0x130b0
> + MX6QDL_PAD_SD2_DAT2__AUD4_TXD 0x110b0
> + MX6QDL_PAD_SD2_DAT1__AUD4_TXFS 0x130b0
> >;
> };
>
> pinctrl_audmux_2: audmux-2 {
> fsl,pins = <
> - MX6QDL_PAD_CSI0_DAT7__AUD3_RXD 0x80000000
> - MX6QDL_PAD_CSI0_DAT4__AUD3_TXC 0x80000000
> - MX6QDL_PAD_CSI0_DAT5__AUD3_TXD 0x80000000
> - MX6QDL_PAD_CSI0_DAT6__AUD3_TXFS 0x80000000
> + MX6QDL_PAD_CSI0_DAT7__AUD3_RXD 0x130b0
> + MX6QDL_PAD_CSI0_DAT4__AUD3_TXC 0x130b0
> + MX6QDL_PAD_CSI0_DAT5__AUD3_TXD 0x110b0
> + MX6QDL_PAD_CSI0_DAT6__AUD3_TXFS 0x130b0
> >;
> };
>
> pinctrl_audmux_3: audmux-3 {
> fsl,pins = <
> - MX6QDL_PAD_DISP0_DAT16__AUD5_TXC 0x80000000
> - MX6QDL_PAD_DISP0_DAT18__AUD5_TXFS 0x80000000
> - MX6QDL_PAD_DISP0_DAT19__AUD5_RXD 0x80000000
> + MX6QDL_PAD_DISP0_DAT16__AUD5_TXC 0x130b0
> + MX6QDL_PAD_DISP0_DAT18__AUD5_TXFS 0x130b0
> + MX6QDL_PAD_DISP0_DAT19__AUD5_RXD 0x130b0
> >;
> };
> };
> --
> 1.8.4
>
>
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
