On 09/05/16 10:34, Peter Ujfalusi wrote:
> 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@xxxxxxxxxxx>
>> Cc: Eduard Gavin <egavin@xxxxxxxxxxx>
>> Cc: Enric Balletbo i Serra <eballetbo@xxxxxxxxxxx>
Hey, can you change the email address for this one
Cc: Enric Balletbo i Serra <eballetbo@xxxxxxxxx>
Thanks!
>> Cc: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
>> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
>> ---
>> 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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