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([2a01:e0a:3d9:2080:bd88:41d2:33ce:f74a]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4255d8f0846sm24397888f8f.45.2025.10.07.00.04.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 Oct 2025 00:04:19 -0700 (PDT) Message-ID: Date: Tue, 7 Oct 2025 09:04:17 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Neil Armstrong Reply-To: Neil Armstrong Subject: Re: [PATCH RFC 4/6] sm8650-hdk: Enable I2S for HDMI To: Alexey Klimov , Srinivas Kandagatla , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio Cc: linux-sound@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20251006-topic-sm8x50-next-hdk-i2s-v1-0-184b15a87e0a@linaro.org> <20251006-topic-sm8x50-next-hdk-i2s-v1-4-184b15a87e0a@linaro.org> Content-Language: en-US, fr Autocrypt: addr=neil.armstrong@linaro.org; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKk5laWwgQXJtc3Ryb25nIDxuZWlsLmFybXN0cm9uZ0BsaW5hcm8ub3JnPsLAkQQTAQoA OwIbIwULCQgHAwUVCgkICwUWAgMBAAIeAQIXgBYhBInsPQWERiF0UPIoSBaat7Gkz/iuBQJk Q5wSAhkBAAoJEBaat7Gkz/iuyhMIANiD94qDtUTJRfEW6GwXmtKWwl/mvqQtaTtZID2dos04 YqBbshiJbejgVJjy+HODcNUIKBB3PSLaln4ltdsV73SBcwUNdzebfKspAQunCM22Mn6FBIxQ GizsMLcP/0FX4en9NaKGfK6ZdKK6kN1GR9YffMJd2P08EO8mHowmSRe/ExAODhAs9W7XXExw UNCY4pVJyRPpEhv373vvff60bHxc1k/FF9WaPscMt7hlkbFLUs85kHtQAmr8pV5Hy9ezsSRa GzJmiVclkPc2BY592IGBXRDQ38urXeM4nfhhvqA50b/nAEXc6FzqgXqDkEIwR66/Gbp0t3+r yQzpKRyQif3OwE0ETVkGzwEIALyKDN/OGURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYp QTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXMcoJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+ SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hiSvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY 4yG6xI99NIPEVE9lNBXBKIlewIyVlkOaYvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoM Mtsyw18YoX9BqMFInxqYQQ3j/HpVgTSvmo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUX oUk33HEAEQEAAcLAXwQYAQIACQUCTVkGzwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfn M7IbRuiSZS1unlySUVYu3SD6YBYnNi3G5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa3 3eDIHu/zr1HMKErm+2SD6PO9umRef8V82o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCS KmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy 4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJC3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTT QbM0WUIBIcGmq38+OgUsMYu4NzLu7uZFAcmp6h8g Organization: Linaro In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 10/7/25 03:39, Alexey Klimov wrote: > On Mon Oct 6, 2025 at 7:37 PM BST, Neil Armstrong wrote: >> Add the necessary nodes to configure the right I2S interface >> to output audio via the DSI HDMI bridge. >> >> Signed-off-by: Neil Armstrong >> --- >> arch/arm64/boot/dts/qcom/sm8650-hdk.dts | 30 +++++++++++++++++++++++++ >> arch/arm64/boot/dts/qcom/sm8650.dtsi | 40 +++++++++++++++++++++++++++++++++ >> 2 files changed, 70 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/qcom/sm8650-hdk.dts b/arch/arm64/boot/dts/qcom/sm8650-hdk.dts >> index 87d7190dc991b11f5d1162aabb693dcadd198c51..1286ce95235d5544322a1877292cbdd426298c11 100644 >> --- a/arch/arm64/boot/dts/qcom/sm8650-hdk.dts >> +++ b/arch/arm64/boot/dts/qcom/sm8650-hdk.dts >> @@ -171,6 +171,19 @@ sound { >> "TX SWR_INPUT1", "ADC2_OUTPUT", >> "TX SWR_INPUT3", "ADC4_OUTPUT"; >> >> + pinctrl-0 = <&i2s0_default_state>, <&audio_mclk0_default_state>; >> + pinctrl-names = "default"; >> + >> + clocks = <&q6prmcc LPASS_CLK_ID_PRI_MI2S_IBIT LPASS_CLK_ATTRIBUTE_COUPLE_NO>, >> + <&q6prmcc LPASS_CLK_ID_MCLK_1 LPASS_CLK_ATTRIBUTE_COUPLE_NO>; >> + clock-names = "pri-mi2s", >> + "pri-mclk"; >> + >> + assigned-clocks = <&q6prmcc LPASS_CLK_ID_PRI_MI2S_IBIT LPASS_CLK_ATTRIBUTE_COUPLE_NO>, >> + <&q6prmcc LPASS_CLK_ID_MCLK_1 LPASS_CLK_ATTRIBUTE_COUPLE_NO>; >> + assigned-clock-rates = <1536000>, >> + <24576000>; >> + >> wcd-playback-dai-link { >> link-name = "WCD Playback"; >> >> @@ -218,6 +231,22 @@ platform { >> sound-dai = <&q6apm>; >> }; >> }; >> + >> + pri-mi2s-dai-link { >> + link-name = "Primary MI2S Playback"; > > Is it HDMI only audio playback or does it have switches to playback it as raw i2s > (when external DAC is needed)? The HDK has i2s lines of the secondary i2s on the LS connector, but without any additional boards connected it has no on-board i2s dacs. Neil > > >> + cpu { >> + sound-dai = <&q6apmbedai PRIMARY_MI2S_RX>; >> + }; >> + >> + codec { >> + sound-dai = <<9611_codec 0>; >> + }; >> + >> + platform { >> + sound-dai = <&q6apm>; >> + }; >> + }; >> }; > > [..] > > Best regards, > Alexey