diff options
Diffstat (limited to 'meta-agl-bsp/meta-rcar-gen3/recipes-kernel/linux/files/0004-ADSP-enable-and-add-sound-hardware-abstraction.patch')
-rw-r--r-- | meta-agl-bsp/meta-rcar-gen3/recipes-kernel/linux/files/0004-ADSP-enable-and-add-sound-hardware-abstraction.patch | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/meta-agl-bsp/meta-rcar-gen3/recipes-kernel/linux/files/0004-ADSP-enable-and-add-sound-hardware-abstraction.patch b/meta-agl-bsp/meta-rcar-gen3/recipes-kernel/linux/files/0004-ADSP-enable-and-add-sound-hardware-abstraction.patch new file mode 100644 index 000000000..9c7f01b26 --- /dev/null +++ b/meta-agl-bsp/meta-rcar-gen3/recipes-kernel/linux/files/0004-ADSP-enable-and-add-sound-hardware-abstraction.patch @@ -0,0 +1,158 @@ +From 274657edb779d77ad0fe5ccb52b51634d075adf8 Mon Sep 17 00:00:00 2001 +From: invalid_git config <unknown@unknown> +Date: Wed, 6 Oct 2021 14:42:47 +0000 +Subject: [PATCH 2/2] 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> +--- + arch/arm64/boot/dts/renesas/r8a77960-ulcb.dts | 45 ++++++++++++++++++- + arch/arm64/boot/dts/renesas/r8a77961-ulcb.dts | 45 ++++++++++++++++++- + 2 files changed, 88 insertions(+), 2 deletions(-) + +diff --git a/arch/arm64/boot/dts/renesas/r8a77960-ulcb.dts b/arch/arm64/boot/dts/renesas/r8a77960-ulcb.dts +index fbc8c9af6e52..df3bd589d9bb 100644 +--- a/arch/arm64/boot/dts/renesas/r8a77960-ulcb.dts ++++ b/arch/arm64/boot/dts/renesas/r8a77960-ulcb.dts +@@ -62,11 +62,18 @@ lossy_decompress: linux,lossy_decompress@54000000 { + reg = <0x00000000 0x54000000 0x0 0x03000000>; + }; + ++ /* For Audio DSP */ ++ adsp_reserved: linux,adsp { ++ compatible = "shared-dma-pool"; ++ reusable; ++ reg = <0x00000000 0x57000000 0x0 0x01000000>; ++ }; ++ + /* global autoconfigured region for contiguous allocations */ + linux,cma@57000000 { + compatible = "shared-dma-pool"; + reusable; +- reg = <0x00000000 0x57000000 0x0 0x19000000>; ++ reg = <0x00000000 0x58000000 0x0 0x18000000>; + linux,cma-default; + }; + +@@ -126,6 +133,42 @@ &du { + "dclkin.0", "dclkin.1", "dclkin.2"; + }; + ++&adsp { ++ status = "okay"; ++ clock-frequency = <12288000 11289600>; ++ audio-clocks = <22579200 24576000>; ++ memory-region = <&adsp_reserved>; ++ ++ /* ADSP playback setting for ak4613 */ ++ adsp_playback0: adsp,playback { ++ mode = "i2s"; ++ clock-mode = "master"; ++ bus-width = <16>; ++ ssi = <0>; ++ bus-if = <0>; ++ channels = <2>; ++ pin-share-ssi = <1>; ++ }; ++ ++ /* ADSP capture setting for ak4613 */ ++ adsp_capture0: adsp,capture { ++ mode = "i2s"; ++ clock-mode = "slave"; ++ bus-width = <16>; ++ ssi = <1>; ++ bus-if = <0>; ++ channels = <2>; ++ pin-share-ssi = <0>; ++ }; ++ ++ adsp,ports { ++ port@0 { ++ playback = <&adsp_playback0>; ++ capture = <&adsp_capture0>; ++ }; ++ }; ++}; ++ + &vspb { + status = "okay"; + }; +diff --git a/arch/arm64/boot/dts/renesas/r8a77961-ulcb.dts b/arch/arm64/boot/dts/renesas/r8a77961-ulcb.dts +index e57dd7bb43f7..f583cc6c18bf 100644 +--- a/arch/arm64/boot/dts/renesas/r8a77961-ulcb.dts ++++ b/arch/arm64/boot/dts/renesas/r8a77961-ulcb.dts +@@ -41,11 +41,18 @@ lossy_decompress: linux,lossy_decompress@54000000 { + reg = <0x00000000 0x54000000 0x0 0x03000000>; + }; + ++ /* For Audio DSP */ ++ adsp_reserved: linux,adsp { ++ compatible = "shared-dma-pool"; ++ reusable; ++ reg = <0x00000000 0x57000000 0x0 0x01000000>; ++ }; ++ + /* global autoconfigured region for contiguous allocations */ + linux,cma@57000000 { + compatible = "shared-dma-pool"; + reusable; +- reg = <0x00000000 0x57000000 0x0 0x19000000>; ++ reg = <0x00000000 0x58000000 0x0 0x18000000>; + linux,cma-default; + }; + +@@ -89,6 +96,42 @@ &du { + "dclkin.0", "dclkin.1", "dclkin.2"; + }; + ++&adsp { ++ status = "okay"; ++ clock-frequency = <12288000 11289600>; ++ audio-clocks = <22579200 24576000>; ++ memory-region = <&adsp_reserved>; ++ ++ /* ADSP playback setting for ak4613 */ ++ adsp_playback0: adsp,playback { ++ mode = "i2s"; ++ clock-mode = "master"; ++ bus-width = <16>; ++ ssi = <0>; ++ bus-if = <0>; ++ channels = <2>; ++ pin-share-ssi = <1>; ++ }; ++ ++ /* ADSP capture setting for ak4613 */ ++ adsp_capture0: adsp,capture { ++ mode = "i2s"; ++ clock-mode = "slave"; ++ bus-width = <16>; ++ ssi = <1>; ++ bus-if = <0>; ++ channels = <2>; ++ pin-share-ssi = <0>; ++ }; ++ ++ adsp,ports { ++ port@0 { ++ playback = <&adsp_playback0>; ++ capture = <&adsp_capture0>; ++ }; ++ }; ++}; ++ + &vspb { + status = "okay"; + }; +-- +2.31.1 + |