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On 2017-08-29 00:19, Tony Lindgren wrote:
> On omap4 we're missing the mcasp node with it's related "ti,hwmods"
> property that the SoC interconnect code needs.
>
> Note that this will only show up as a bug with "doesn't have
> mpu register target base" boot errors when the legacy platform
> data is removed.
>
> Cc: Liam Girdwood <lgirdwood@xxxxxxxxx>
> Cc: Mark Brown <broonie@xxxxxxxxxx>
> Cc: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt | 1 +
> arch/arm/boot/dts/omap4.dtsi | 9 +++++++++
> 2 files changed, 10 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt b/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt
> --- a/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt
> +++ b/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt
> @@ -6,6 +6,7 @@ Required properties:
> "ti,da830-mcasp-audio" : for both DA830 & DA850 platforms
> "ti,am33xx-mcasp-audio" : for AM33xx platforms (AM33xx, AM43xx, TI81xx)
> "ti,dra7-mcasp-audio" : for DRA7xx platforms
> + "ti,omap4-mcasp-audio" : for OMAP4 platforms
>
> - reg : Should contain reg specifiers for the entries in the reg-names property.
> - reg-names : Should contain:
> diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
> --- a/arch/arm/boot/dts/omap4.dtsi
> +++ b/arch/arm/boot/dts/omap4.dtsi
> @@ -750,6 +750,15 @@
> status = "disabled";
> };
>
> + mcasp: mcasp@40128000 {
> + compatible = "ti,omap4-mcasp-audio";
> + reg = <0x40128000 0x400>, /* MPU private access */
> + <0x49028000 0x400>; /* L3 Interconnect */
> + reg-names = "mpu", "dma";
> + interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "tx";
Can you add the DMA as well:
dmas = <&sdma 8>;
dma-names = "tx";
The RX of McASP is disabled, no RX DMA request.
> + ti,hwmods = "mcasp";
> + };
> +
> slimbus1: slimbus@4012c000 {
> compatible = "ti,omap4-slimbus";
> reg = <0x4012c000 0x400>, /* MPU private access */
>
- Péter
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