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SubjectRe: [PATCH v5 4/6] arm64: dts: ti: am62x-sk: Add overlay for HDMI audio
On Wed, Aug 9, 2023 at 3:46 AM Aradhya Bhatia <a-bhatia1@ti.com> wrote:
>
> From: Jai Luthra <j-luthra@ti.com>
>
> Enable audio output over HDMI instead of the 3.5mm jack.
>
> A FET switch (U65) on the EVM muxes serial audio lines coming from McASP
> between the codec (tlv320aic3106) and the HDMI bridge (sii9022).
>
> By default it uses the codec, but it can be toggled to use the HDMI
> bridge by shorting a (J24) header on the board.
>
> Signed-off-by: Jai Luthra <j-luthra@ti.com>
> [a-bhatia1: Cosmetic changes]
> Signed-off-by: Aradhya Bhatia <a-bhatia1@ti.com>
> ---
> arch/arm64/boot/dts/ti/Makefile | 3 ++
> .../boot/dts/ti/k3-am62x-sk-hdmi-audio.dtso | 40 +++++++++++++++++++
> 2 files changed, 43 insertions(+)
> create mode 100644 arch/arm64/boot/dts/ti/k3-am62x-sk-hdmi-audio.dtso
>
> diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
> index 437a3d7e8e3a..e3eadf69d43b 100644
> --- a/arch/arm64/boot/dts/ti/Makefile
> +++ b/arch/arm64/boot/dts/ti/Makefile
> @@ -19,6 +19,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-dahlia.dtb
> dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-dev.dtb
> dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-yavia.dtb
> dtb-$(CONFIG_ARCH_K3) += k3-am62-lp-sk.dtb
> +dtb-$(CONFIG_ARCH_K3) += k3-am62x-sk-hdmi-audio.dtbo

Overlays need to be applied to something. That's done like this:

foo-dtbs := base.dtb k3-am62x-sk-hdmi-audio.dtbo
dtb-y += foo.dtb

Please send a fix for this.

Rob

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