[PATCH] ARM: dts: Fix igepv5 audiopwon-gpio

[Peter Ujfalusi]

On 05/05/16 21:56, Tony Lindgren wrote:
> Playing audio works on omap5-uevm, but produces an "Unhandled fault:
> imprecise external abort (0x1406) at 0x00000000" error on igepv5.
> 
> Looks like the twl6040 audpwron GPIO pin is different for these
> boards. Let's fix the issue by configuring the audpwron in the
> board specific dts file.
> 
> Cc: Agustí Fontquerni <af at iseebcn.com>
> Cc: Eduard Gavin <egavin at iseebcn.com>
> Cc: Enric Balletbo i Serra <eballetbo at iseebcn.com>
> Cc: Peter Ujfalusi <peter.ujfalusi at ti.com>
> Signed-off-by: Tony Lindgren <tony at atomide.com>
> ---
>  arch/arm/boot/dts/omap5-board-common.dtsi |  3 ++-
>  arch/arm/boot/dts/omap5-igep0050.dts      | 10 ++++++++++
>  arch/arm/boot/dts/omap5-uevm.dts          | 10 ++++++++++
>  3 files changed, 22 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/omap5-board-common.dtsi b/arch/arm/boot/dts/omap5-board-common.dtsi
> index 2eea26c..23b1d7c 100644
> --- a/arch/arm/boot/dts/omap5-board-common.dtsi
> +++ b/arch/arm/boot/dts/omap5-board-common.dtsi
> @@ -642,7 +642,8 @@
>  		pinctrl-0 = <&twl6040_pins>;
>  
>  		interrupts = <GIC_SPI 119 IRQ_TYPE_NONE>; /* IRQ_SYS_2N cascaded to gic */
> -		ti,audpwron-gpio = <&gpio5 13 GPIO_ACTIVE_HIGH>;  /* gpio line 141 */
> +
> +		/* audpwron gpio defined in the board specific dts */
>  
>  		vio-supply = <&smps7_reg>;
>  		v2v1-supply = <&smps9_reg>;
> diff --git a/arch/arm/boot/dts/omap5-igep0050.dts b/arch/arm/boot/dts/omap5-igep0050.dts
> index 72ff6a4..673cdfa 100644
> --- a/arch/arm/boot/dts/omap5-igep0050.dts
> +++ b/arch/arm/boot/dts/omap5-igep0050.dts
> @@ -58,3 +58,13 @@
>  		<&gpio7 3 0>;		/* 195, SDA */
>  };
>  
> +&twl6040 {
> +	ti,audpwron-gpio = <&gpio5 16 GPIO_ACTIVE_HIGH>;  /* gpio line 144 */

BTW: how do you know that gpio144 is used as audpwron GPIO on igepv5?

> +};
> +
> +&twl6040_pins {
> +	pinctrl-single,pins = <
> +		OMAP5_IOPAD(0x1c4, PIN_OUTPUT | MUX_MODE6)	/* mcspi1_somi.gpio5_144 */
> +		OMAP5_IOPAD(0x1ca, PIN_OUTPUT | MUX_MODE6)	/* perslimbus2_clock.gpio5_145 */

What does the gpio145 is used for?

> +	>;
> +};
> diff --git a/arch/arm/boot/dts/omap5-uevm.dts b/arch/arm/boot/dts/omap5-uevm.dts
> index 60b3fbb..a51e605 100644
> --- a/arch/arm/boot/dts/omap5-uevm.dts
> +++ b/arch/arm/boot/dts/omap5-uevm.dts
> @@ -51,3 +51,13 @@
>  		<&gpio9 1 GPIO_ACTIVE_HIGH>,	/* TCA6424A P00, LS OE */
>  		<&gpio7 1 GPIO_ACTIVE_HIGH>;	/* GPIO 193, HPD */
>  };
> +
> +&twl6040 {
> +	ti,audpwron-gpio = <&gpio5 13 GPIO_ACTIVE_HIGH>;  /* gpio line 141 */
> +};
> +
> +&twl6040_pins {
> +	pinctrl-single,pins = <
> +		OMAP5_IOPAD(0x1be, PIN_OUTPUT | MUX_MODE6)	/* mcspi1_somi.gpio5_141 */
> +	>;
> +};
> 


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