diff options
Diffstat (limited to 'meta-agl-bsp/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas')
| -rw-r--r-- | meta-agl-bsp/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0004-ADSP-enable-and-add-sound-hardware-abstraction_kf.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/meta-agl-bsp/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0004-ADSP-enable-and-add-sound-hardware-abstraction_kf.patch b/meta-agl-bsp/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0004-ADSP-enable-and-add-sound-hardware-abstraction_kf.patch new file mode 100644 index 000000000..92f5af88c --- /dev/null +++ b/meta-agl-bsp/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0004-ADSP-enable-and-add-sound-hardware-abstraction_kf.patch @@ -0,0 +1,58 @@ +The ADSP on Renesas SoCs required a reserved memory area to become +enabled, and this needs to be done manually. + +This patch adds sound hardware abstraction information for the m3ulcb +and m3ulcb-kf (kingfisher) device trees. This is helpful on-board the +ADSP for dynamically determining sound hardware at runtime, allowing +single binaries to be used between the two boards. + +Future work will incorporate the h3ulcb and Salvator boards into the +abstraction. + +Signed-off-by: Ronan Le Martret <ronan.lemartret@iot.bzh> +Signed-off-by: Mark Farrugia <mark.farrugia@fiberdyne.com.au> +--- +diff --git a/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb-kf.dts b/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb-kf.dts +index de2390f009e7..4ccfa8315d17 100644 +--- a/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb-kf.dts ++++ b/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb-kf.dts +@@ -15,6 +15,39 @@ + "renesas,r8a7796"; + }; + ++ ++&adsp { ++ ++ /* ADSP playback setting for pcm3168 */ ++ adsp_playback0: adsp,playback { ++ mode = "tdm"; ++ clock-mode = "master"; ++ bus-width = <24>; ++ ssi = <3>; ++ bus-if = <0>; ++ channels = <8>; ++ pin-share-ssi = <4>; ++ }; ++ ++ /* ADSP capture setting for pcm3168 */ ++ adsp_capture0: adsp,capture { ++ mode = "tdm"; ++ clock-mode = "slave"; ++ bus-width = <24>; ++ ssi = <4>; ++ bus-if = <0>; ++ channels = <8>; ++ pin-share-ssi = <3>; ++ }; ++ ++ adsp,ports { ++ port@0 { ++ playback = <&adsp_playback0>; ++ capture = <&adsp_capture0>; ++ }; ++ }; ++}; ++ + &du { + ports { + port@0 { |