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Tue, 21 Apr 2026 12:39:12 -0700 (PDT) Received: from luca-vm.lan ([154.61.61.58]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4411c9f4f03sm10443782f8f.1.2026.04.21.12.39.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Apr 2026 12:39:11 -0700 (PDT) From: Luca Leonardo Scorcia To: linux-sound@vger.kernel.org Cc: Luca Leonardo Scorcia , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH v3] ASoC: dt-bindings: mediatek: Convert mtk-btcvsd-snd to DT Schema Date: Tue, 21 Apr 2026 20:38:35 +0100 Message-ID: <20260421193858.347258-1-l.scorcia@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260421_123914_504198_DF05B0EC X-CRM114-Status: GOOD ( 15.71 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Convert the mtk-btcvsd-snd.txt DT binding to DT Schema format. Signed-off-by: Luca Leonardo Scorcia --- Changes in v3: Sorry about the spam. A second round of dt_binding_check + dtbs_check led me to additional improvements: - Use reg-names in place of a non-informative description property - Simplify the reg property in the example Changes in v2 [2]: - Fixed issues from make dt_binding_check - Set myself as maintainer for the binding Initial version [1]. [1] https://lore.kernel.org/20260420204514.1640995-1-l.scorcia@gmail.com/ [2] https://lore.kernel.org/20260421154619.227039-1-l.scorcia@gmail.com/ .../sound/mediatek,mtk-btcvsd-snd.yaml | 66 +++++++++++++++++++ .../bindings/sound/mtk-btcvsd-snd.txt | 24 ------- 2 files changed, 66 insertions(+), 24 deletions(-) create mode 100644 Documentation/devicetree/bindings/sound/mediatek,mtk-btcvsd-snd.yaml delete mode 100644 Documentation/devicetree/bindings/sound/mtk-btcvsd-snd.txt diff --git a/Documentation/devicetree/bindings/sound/mediatek,mtk-btcvsd-snd.yaml b/Documentation/devicetree/bindings/sound/mediatek,mtk-btcvsd-snd.yaml new file mode 100644 index 000000000000..22ba7d0bdac6 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/mediatek,mtk-btcvsd-snd.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/mediatek,mtk-btcvsd-snd.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek ALSA BT SCO CVSD/MSBC Driver + +maintainers: + - Luca Leonardo Scorcia + +properties: + compatible: + const: mediatek,mtk-btcvsd-snd + + reg: + minItems: 2 + maxItems: 2 + + reg-names: + items: + - const: pkv + - const: sram-bank2 + + interrupts: + items: + - description: BT-SCO interrupt + + mediatek,infracfg: + $ref: /schemas/types.yaml#/definitions/phandle + description: The phandle of the infracfg controller + + mediatek,offset: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: Array of register offsets and masks + items: + - description: infra_misc_offset + - description: infra_conn_bt_cvsd_mask + - description: cvsd_mcu_read_offset + - description: cvsd_mcu_write_offset + - description: cvsd_packet_indicator_offset + +required: + - compatible + - reg + - reg-names + - interrupts + - mediatek,infracfg + - mediatek,offset + +additionalProperties: false + +examples: + - | + #include + #include + + mtk-btcvsd-snd@18000000 { + compatible = "mediatek,mtk-btcvsd-snd"; + reg = <0x18000000 0x1000>, + <0x18080000 0x8000>; + reg-names = "pkv", "sram-bank2"; + interrupts = ; + mediatek,infracfg = <&infrasys>; + mediatek,offset = <0xf00 0x800 0xfd0 0xfd4 0xfd8>; + }; diff --git a/Documentation/devicetree/bindings/sound/mtk-btcvsd-snd.txt b/Documentation/devicetree/bindings/sound/mtk-btcvsd-snd.txt deleted file mode 100644 index 679e44839b48..000000000000 --- a/Documentation/devicetree/bindings/sound/mtk-btcvsd-snd.txt +++ /dev/null @@ -1,24 +0,0 @@ -Mediatek ALSA BT SCO CVSD/MSBC Driver - -Required properties: -- compatible = "mediatek,mtk-btcvsd-snd"; -- reg: register location and size of PKV and SRAM_BANK2 -- interrupts: should contain BTSCO interrupt -- mediatek,infracfg: the phandles of INFRASYS -- mediatek,offset: Array contains of register offset and mask - infra_misc_offset, - infra_conn_bt_cvsd_mask, - cvsd_mcu_read_offset, - cvsd_mcu_write_offset, - cvsd_packet_indicator_offset - -Example: - - mtk-btcvsd-snd@18000000 { - compatible = "mediatek,mtk-btcvsd-snd"; - reg=<0 0x18000000 0 0x1000>, - <0 0x18080000 0 0x8000>; - interrupts = ; - mediatek,infracfg = <&infrasys>; - mediatek,offset = <0xf00 0x800 0xfd0 0xfd4 0xfd8>; - }; -- 2.43.0