From patchwork Wed Jun 12 09:59:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 803832 Received: from mail-lf1-f51.google.com (mail-lf1-f51.google.com [209.85.167.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5538616DEDD for ; Wed, 12 Jun 2024 09:59:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.51 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718186389; cv=none; b=eF0JLmYHayP+uRQYFtLmbteCxEX3z+oHJdj/l7Qvd+7tZp44Dfu/BMlUYBAkhYPU6nlinyfy0l4ilS6zfbD8zORUqqtAXSES2gEoUu8cfBotfOaGxLk3+mrzLHSjHOq6k1j83h6gh92LTapYISEAanOSYG5hnvQBItFrbBT0D7o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718186389; c=relaxed/simple; bh=lzuWmQsRHevIFSOU8fqsv8TO85dYE8vzaNEi5gArVS8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=GHuNe2Q7YnKbNtE1s7uq8VXGv014X27RWqms2qUr5ywwyuglHFjcfip5yOHdK+kT57bHT3jCsf3h9syt0SdolICE+9yQG/7b6IzZMVTO8Iel1ljq4diM8fRYstk8CnJ6+KCYngHVeZcC9zI8825yRjJizkWCVNXZOA3UjS1ulqY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=kmrRb7l3; arc=none smtp.client-ip=209.85.167.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="kmrRb7l3" Received: by mail-lf1-f51.google.com with SMTP id 2adb3069b0e04-5295e488248so7297037e87.2 for ; Wed, 12 Jun 2024 02:59:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1718186375; x=1718791175; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=sp42j2u8rigijiuxzVvZ7hagCwbbwAjC3ss3o2b1CDw=; b=kmrRb7l38KsZqpfWUJNIjU0ghLQhukEut0linJHuTc2BZgzppQmWsBLUBB85qU13ch twCNYCljVR5UMJ/8nshzJ3Li/Wu9OYrnwqbmrAxaO8hJtyYNXgsI1H6HAxjhsyT+F+bo l3qXsltUEIU62RHYwFfhd+7kUwrLjmfGA4dGkz4hu/jqbDNeEf1JSNlsbvr63mvuDZ+S BDoLksB4V/dk1h/En+2d16gCkMEUTXjNXjbuIcZUJ8qH46DEFc2YDtuTV9ZcF8D9vsH4 xR36AfahTDiYpDhY0S2DqG/T0k+UTvu/D0+8NawRSuLNR7gT4ERwgpvqSfcyTkuV9iZZ 5cpQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718186375; x=1718791175; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=sp42j2u8rigijiuxzVvZ7hagCwbbwAjC3ss3o2b1CDw=; b=TKsd+SA6dZfXpo6Rnfmr79OjHmygfBExT5fkxakaBVx0SfXJ/COe2aeWvmc/B5Qnvn HPoJPBli3S8EIll8gcvTh67yPBVZAXjzG6V7UWyRpBKTvFlKDz48bAGu0rj6BbSgIKs/ qBJsr2+KkfdJzsKa0Rj6GrNfiYWMR0RwD7h0JNdFnqx1Fcm1JuhPUcuTcQs3kfnXYT1t jI6HoixEc/EA+cTe+MiWiLs+YNiSJ0LRq6x5gj6kgpQ6mGNw6yuJZCVN5V+38Gv3eJy0 Kb/mO1YJZSeZX5F9iMhHyfJbSnIxOtITTjkkcMMa+8tpQLfyXwoEVtBrePEHq/2NfXHb uaxg== X-Forwarded-Encrypted: i=1; AJvYcCUczUaxdsoZohDBjby6O1AfzoTGzE0t7BKCX/6At2y9eGOfofGWZjAEHYgWSoGin8CZXVEE/kjUpCcj9J7GCtkdwDLqKAQ6XrPL X-Gm-Message-State: AOJu0YyEZVF3qN5vEUYqYpSy/unolQE7ZniAaldKKK+khhBM8mpxoh2m wls4bq83l/iSxZF0PgNeBTPKy9q92thnX3z2JtFX+H3pYSH/ldOzDWFBzc9VVlc= X-Google-Smtp-Source: AGHT+IEDa7kb32fgkJfPo5ReIlwBIVgibQAKT4zkUPAxRXpdDcs3pt/afX/PBq3eBew4IroPkWM/5g== X-Received: by 2002:a05:6512:3130:b0:52c:9468:c991 with SMTP id 2adb3069b0e04-52c9a3b794bmr758824e87.14.1718186375541; Wed, 12 Jun 2024 02:59:35 -0700 (PDT) Received: from umbar.lan ([192.130.178.91]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-52c8907dae9sm1408095e87.129.2024.06.12.02.59.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Jun 2024 02:59:35 -0700 (PDT) From: Dmitry Baryshkov Date: Wed, 12 Jun 2024 12:59:32 +0300 Subject: [PATCH v6 1/6] dt-bindings: platform: Add Lenovo Yoga C630 EC Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240612-yoga-ec-driver-v6-1-8e76ba060439@linaro.org> References: <20240612-yoga-ec-driver-v6-0-8e76ba060439@linaro.org> In-Reply-To: <20240612-yoga-ec-driver-v6-0-8e76ba060439@linaro.org> To: Sebastian Reichel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , Bryan O'Donoghue , Heikki Krogerus , Greg Kroah-Hartman , Konrad Dybcio Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, Nikita Travkin , Krzysztof Kozlowski X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2676; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=C9Lg3cE1aC1zyYeo+0Q2DO6EQOTcK4wvIXQyDKOKakY=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBmaXGFPHjMU3q0TrL2Mx4I+pTs8YCISncfWVhKJ VlZnOacUO+JATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCZmlxhQAKCRCLPIo+Aiko 1TEDB/0UqCtGC8LEtWypIkYCwbJtdw2FoYkGk7eXkL5c1Qm7XThJfAwsLhCZ5R0pVYfr2VSIyig WR3RjZAjC2Q3odxD+TPd/TdOZz4YPt3fSq8bzrMCjbs569sPjuDQtv+WWfrycY/el7xUedx8KOw umU6Sigj5gpc0meXgnVnK5ZXWDnWNkSiQc+AUSP1EVaXwEGNMi46g0j9UFs5zxx2e+nrkX1ML7o 2dPSjf0LMgwJ/mu7KORHcBrD5Vc7pwRMOo0JjHTSG5/BmtmujPlmhhNoLMpL+jyBG0bPK/vejrj 14AVhbi8/iSG3YxqGiRFPp0L3x1JYQzWFdirDaHuILXZOHXy X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A From: Bjorn Andersson Add binding for the Embedded Controller found in the Qualcomm Snapdragon-based Lenovo Yoga C630. Signed-off-by: Bjorn Andersson Reviewed-by: Krzysztof Kozlowski Signed-off-by: Dmitry Baryshkov --- .../bindings/platform/lenovo,yoga-c630-ec.yaml | 83 ++++++++++++++++++++++ 1 file changed, 83 insertions(+) diff --git a/Documentation/devicetree/bindings/platform/lenovo,yoga-c630-ec.yaml b/Documentation/devicetree/bindings/platform/lenovo,yoga-c630-ec.yaml new file mode 100644 index 000000000000..3180ce1a22d4 --- /dev/null +++ b/Documentation/devicetree/bindings/platform/lenovo,yoga-c630-ec.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/platform/lenovo,yoga-c630-ec.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Lenovo Yoga C630 Embedded Controller. + +maintainers: + - Bjorn Andersson + +description: + The Qualcomm Snapdragon-based Lenovo Yoga C630 has an Embedded Controller + (EC) which handles things such as battery and USB Type-C. This binding + describes the interface, on an I2C bus, to this EC. + +properties: + compatible: + const: lenovo,yoga-c630-ec + + reg: + const: 0x70 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + interrupts: + maxItems: 1 + +patternProperties: + '^connector@[01]$': + $ref: /schemas/connector/usb-connector.yaml# + + properties: + reg: + maxItems: 1 + + unevaluatedProperties: false + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - |+ + #include + i2c1 { + clock-frequency = <400000>; + + #address-cells = <1>; + #size-cells = <0>; + + embedded-controller@70 { + compatible = "lenovo,yoga-c630-ec"; + reg = <0x70>; + + interrupts-extended = <&tlmm 20 IRQ_TYPE_LEVEL_HIGH>; + + #address-cells = <1>; + #size-cells = <0>; + + connector@0 { + compatible = "usb-c-connector"; + reg = <0>; + power-role = "source"; + data-role = "host"; + }; + + connector@1 { + compatible = "usb-c-connector"; + reg = <1>; + power-role = "source"; + data-role = "host"; + }; + }; + }; +... From patchwork Wed Jun 12 09:59:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 804510 Received: from mail-lf1-f49.google.com (mail-lf1-f49.google.com [209.85.167.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 26A6A16E867 for ; Wed, 12 Jun 2024 09:59:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.49 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718186381; cv=none; b=DoadkP0XSbw9URTIpI/j9jbN6uZv2ycfTbaz7fmRTsF5iTKwHmSLju+iEQ2E1mleRbUP4UFG7LlSd2WMkaBG5g7fH72RetPdbd77Wjx2XDD/GYXL9vICGlIEjuXLEwdo+fLmkGbwqsDTpLiX2OtWJbvhLw69Ieey4K89BdNEZQo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718186381; c=relaxed/simple; bh=OGFJA/hrdKUc1ReZqc3+VUYDy8Vgh60z6XH8Zom+Lp0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Z5qUR3KC1/A5KbYhGiuCPsU+8s9awSQlGR18sBedH85oALxb+RY11RGOlNxMoZzly8lkUzAxwV+hRin5V7VGqtqWUZz5VC48B6fRsc3cl747KGB9k/zYShrfFibd1PNYfVheUZoiZL3huMkQ7vakpWE85gYVKJ6/8L9O56rwf8g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=fObT5GHU; arc=none smtp.client-ip=209.85.167.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="fObT5GHU" Received: by mail-lf1-f49.google.com with SMTP id 2adb3069b0e04-52c4b92c09bso2737514e87.1 for ; Wed, 12 Jun 2024 02:59:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1718186376; x=1718791176; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=uB1DteE9K6SZPPmkeajTCPXnEiXe0UZJ8vVnaOruBb0=; b=fObT5GHUgXojbKBIXWoHw69ziYVfuWde21pCz9H+pZ/2Uc+JNdyQun+n40A0Mgej53 pilZiZg9Ipz8vT3tYbg3ToIgwdVzyAt0e+1Rf+FP6+lwJUc6g90VMdCrEf/we49t/r3C 7yPUr0Hj1Wmhr9f0ojW47BDdGLGdLTFz+w9fNrVSIcIZBlY9Q/gNRAKAXelBnNCbshXH XujlfHDZcmTE9UQ4WtHkU5hb9SH+ptT3X+CV8L64onpzfplRLj8MfQrcDxTmQoMoUVx6 6zp/umNT1YlDakfx3ty+uLvJYyrnXJp7G9r/mxz7RstAwFVAf/Ngm9tJiUz9RFQ6Ku6w ffRw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718186376; x=1718791176; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=uB1DteE9K6SZPPmkeajTCPXnEiXe0UZJ8vVnaOruBb0=; b=hYjC1/OpLgyR8aQNm8AUbnfDSEgdtvrFLx46E4nfb+I/Guris7S9brXaEYLUGZwR8Y +Y/gXqDPkNO27T/EpAfWSEcrEgPGey9kUWlQqIM/h0aTRcRvm5q89k9LVLIMoUY+19Xw r5ZCSvTkiPgkhzMWs0OmYsXkDNZbXrOnZq5M0ehXtYp9EE6/mJjZx3vve9RNeW01tTcC +zhmMPx+XanethtMwiN5BcWGHPbr4daHpG/8vu647ocqmOVJDt4+E+f1/WfenE6HTs04 U416KNuMt9wfN6wRTfPgnqbTogn8hyX0Ns7ElzPvDA6ZtZoGpmGGaoJEHATJz04jf8ac k6RA== X-Forwarded-Encrypted: i=1; AJvYcCVSlrNU0Es7eTlIWIyTRGsbYJT5J6WRV/E2FDfDkG9LwqY2eQEIaSjEbZu5FovoEjDIdgTr+dbf7dBtMsNcC65q10Pq4BSwiGcS X-Gm-Message-State: AOJu0YyVv4BXe6fQgor+oGNIQCPk7xYkGl/hi5mWxLUrqH/PC3WE2LxN eQvxUYWDpVciCQXaM6n8bK35aUuEJwPzTrXKwLdNmEzUMhRHc7/AOHcRnzYooNw= X-Google-Smtp-Source: AGHT+IGaykJnpmI9mSMZb0lpjHZC+bzJI1vSbogpyWnr8eo0mRMeXNVx0dm3qmWKCtds+12VntkbqA== X-Received: by 2002:a05:6512:1108:b0:52c:90b6:170f with SMTP id 2adb3069b0e04-52c9a3d960fmr1285925e87.29.1718186376253; Wed, 12 Jun 2024 02:59:36 -0700 (PDT) Received: from umbar.lan ([192.130.178.91]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-52c8907dae9sm1408095e87.129.2024.06.12.02.59.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Jun 2024 02:59:35 -0700 (PDT) From: Dmitry Baryshkov Date: Wed, 12 Jun 2024 12:59:33 +0300 Subject: [PATCH v6 2/6] platform: arm64: add Lenovo Yoga C630 WOS EC driver Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240612-yoga-ec-driver-v6-2-8e76ba060439@linaro.org> References: <20240612-yoga-ec-driver-v6-0-8e76ba060439@linaro.org> In-Reply-To: <20240612-yoga-ec-driver-v6-0-8e76ba060439@linaro.org> To: Sebastian Reichel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , Bryan O'Donoghue , Heikki Krogerus , Greg Kroah-Hartman , Konrad Dybcio Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, Nikita Travkin X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=11151; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=OGFJA/hrdKUc1ReZqc3+VUYDy8Vgh60z6XH8Zom+Lp0=; b=owGbwMvMwMXYbdNlx6SpcZXxtFoSQ1pmYeub8KuROdduTGcp77rRnbM+4fjdzrauJuf6XL1pH /PaTTo7GY1ZGBi5GGTFFFl8ClqmxmxKDvuwY2o9zCBWJpApDFycAjARvlIOhmZWD2dhNbmEb8sS bztm8E+bdXpdZE5rpMoM7g0Cpkf6rtg/W8C37wvXrCWRh+f/6egvPyVn+TBmX9YVhpDm/K4Fm3v uSjY++px17qfnvrWTmkp61Tk+f2K6G7FZtPKec9r1Dbers+8oHXrVaBpiLVC8fEO2XaPN9XUrqw pj1h7X2Om+eVXjv4bpeW2T5oftDwitnVcoG75bakW076zrziVaL3I3zaq7lGLLMiVHyVAt+fqDb VE3RfX0+qab7P4yh+uZcIjcofle4tXXWrt7Gg19RVMnLNw3xdDD6Uv9cs4VShemWMaWulj/vRCb /MYtaoES35Pu9wdMVA/KlDUxH3wgJrX8hj9TsmWuwmdmAA== X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A Lenovo Yoga C630 WOS is a laptop using Snapdragon 850 SoC. Like many laptops it uses an embedded controller (EC) to perform various platform operations, including, but not limited, to Type-C port control or power supply handlng. Add the driver for the EC, that creates devices for UCSI and power supply devices. Reviewed-by: Bryan O'Donoghue Signed-off-by: Dmitry Baryshkov --- drivers/platform/arm64/Kconfig | 14 ++ drivers/platform/arm64/Makefile | 1 + drivers/platform/arm64/lenovo-yoga-c630.c | 290 +++++++++++++++++++++++++ include/linux/platform_data/lenovo-yoga-c630.h | 44 ++++ 4 files changed, 349 insertions(+) diff --git a/drivers/platform/arm64/Kconfig b/drivers/platform/arm64/Kconfig index 8fdca0f8e909..8c103b3150d1 100644 --- a/drivers/platform/arm64/Kconfig +++ b/drivers/platform/arm64/Kconfig @@ -32,4 +32,18 @@ config EC_ACER_ASPIRE1 laptop where this information is not properly exposed via the standard ACPI devices. +config EC_LENOVO_YOGA_C630 + tristate "Lenovo Yoga C630 Embedded Controller driver" + depends on I2C + help + Driver for the Embedded Controller in the Qualcomm Snapdragon-based + Lenovo Yoga C630, which provides battery and power adapter + information. + + This driver provides battery and AC status support for the mentioned + laptop where this information is not properly exposed via the + standard ACPI devices. + + Say M or Y here to include this support. + endif # ARM64_PLATFORM_DEVICES diff --git a/drivers/platform/arm64/Makefile b/drivers/platform/arm64/Makefile index 4fcc9855579b..b2ae9114fdd8 100644 --- a/drivers/platform/arm64/Makefile +++ b/drivers/platform/arm64/Makefile @@ -6,3 +6,4 @@ # obj-$(CONFIG_EC_ACER_ASPIRE1) += acer-aspire1-ec.o +obj-$(CONFIG_EC_LENOVO_YOGA_C630) += lenovo-yoga-c630.o diff --git a/drivers/platform/arm64/lenovo-yoga-c630.c b/drivers/platform/arm64/lenovo-yoga-c630.c new file mode 100644 index 000000000000..edd2ad91292f --- /dev/null +++ b/drivers/platform/arm64/lenovo-yoga-c630.c @@ -0,0 +1,290 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022-2024, Linaro Ltd + * Authors: + * Bjorn Andersson + * Dmitry Baryshkov + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define LENOVO_EC_RESPONSE_REG 0x01 +#define LENOVO_EC_REQUEST_REG 0x02 + +#define LENOVO_EC_UCSI_WRITE 0x20 +#define LENOVO_EC_UCSI_READ 0x21 + +#define LENOVO_EC_READ_REG 0xb0 +#define LENOVO_EC_REQUEST_NEXT_EVENT 0x84 + +#define LENOVO_EC_UCSI_VERSION 0x20 + +struct yoga_c630_ec { + struct i2c_client *client; + struct mutex lock; + struct blocking_notifier_head notifier_list; +}; + +static int yoga_c630_ec_request(struct yoga_c630_ec *ec, u8 *req, size_t req_len, + u8 *resp, size_t resp_len) +{ + int ret; + + lockdep_assert_held(&ec->lock); + + ret = i2c_smbus_write_i2c_block_data(ec->client, LENOVO_EC_REQUEST_REG, + req_len, req); + if (ret < 0) + return ret; + + return i2c_smbus_read_i2c_block_data(ec->client, LENOVO_EC_RESPONSE_REG, + resp_len, resp); +} + +int yoga_c630_ec_read8(struct yoga_c630_ec *ec, u8 addr) +{ + u8 req[2] = { LENOVO_EC_READ_REG, }; + int ret; + u8 val; + + guard(mutex)(&ec->lock); + + req[1] = addr; + ret = yoga_c630_ec_request(ec, req, sizeof(req), &val, 1); + if (ret < 0) + return ret; + + return val; +} +EXPORT_SYMBOL_GPL(yoga_c630_ec_read8); + +int yoga_c630_ec_read16(struct yoga_c630_ec *ec, u8 addr) +{ + u8 req[2] = { LENOVO_EC_READ_REG, }; + int ret; + u8 msb; + u8 lsb; + + /* don't overflow the address */ + if (addr == 0xff) + return -EINVAL; + + guard(mutex)(&ec->lock); + + req[1] = addr; + ret = yoga_c630_ec_request(ec, req, sizeof(req), &lsb, 1); + if (ret < 0) + return ret; + + req[1] = addr + 1; + ret = yoga_c630_ec_request(ec, req, sizeof(req), &msb, 1); + if (ret < 0) + return ret; + + return msb << 8 | lsb; +} +EXPORT_SYMBOL_GPL(yoga_c630_ec_read16); + +u16 yoga_c630_ec_ucsi_get_version(struct yoga_c630_ec *ec) +{ + u8 req[3] = { 0xb3, 0xf2, }; + int ret; + u8 msb; + u8 lsb; + + guard(mutex)(&ec->lock); + + req[2] = LENOVO_EC_UCSI_VERSION; + ret = yoga_c630_ec_request(ec, req, sizeof(req), &lsb, 1); + if (ret < 0) + return ret; + + req[2] = LENOVO_EC_UCSI_VERSION + 1; + ret = yoga_c630_ec_request(ec, req, sizeof(req), &msb, 1); + if (ret < 0) + return ret; + + return msb << 8 | lsb; +} +EXPORT_SYMBOL_GPL(yoga_c630_ec_ucsi_get_version); + +int yoga_c630_ec_ucsi_write(struct yoga_c630_ec *ec, + const u8 req[YOGA_C630_UCSI_WRITE_SIZE]) +{ + int ret; + + mutex_lock(&ec->lock); + ret = i2c_smbus_write_i2c_block_data(ec->client, LENOVO_EC_UCSI_WRITE, + YOGA_C630_UCSI_WRITE_SIZE, req); + mutex_unlock(&ec->lock); + + return ret < 0 ? ret : 0; +} +EXPORT_SYMBOL_GPL(yoga_c630_ec_ucsi_write); + +int yoga_c630_ec_ucsi_read(struct yoga_c630_ec *ec, + u8 resp[YOGA_C630_UCSI_READ_SIZE]) +{ + int ret; + + mutex_lock(&ec->lock); + ret = i2c_smbus_read_i2c_block_data(ec->client, LENOVO_EC_UCSI_READ, + YOGA_C630_UCSI_READ_SIZE, resp); + mutex_unlock(&ec->lock); + + return ret < 0 ? ret : 0; +} +EXPORT_SYMBOL_GPL(yoga_c630_ec_ucsi_read); + +static irqreturn_t yoga_c630_ec_thread_intr(int irq, void *data) +{ + u8 req[] = { LENOVO_EC_REQUEST_NEXT_EVENT }; + struct yoga_c630_ec *ec = data; + u8 event; + int ret; + + mutex_lock(&ec->lock); + ret = yoga_c630_ec_request(ec, req, sizeof(req), &event, 1); + mutex_unlock(&ec->lock); + if (ret < 0) + return IRQ_HANDLED; + + blocking_notifier_call_chain(&ec->notifier_list, event, ec); + + return IRQ_HANDLED; +} + +/** + * yoga_c630_ec_register_notify - Register a notifier callback for EC events. + * @ec: Yoga C630 EC + * @nb: Notifier block pointer to register + * + * Return: 0 on success or negative error code. + */ +int yoga_c630_ec_register_notify(struct yoga_c630_ec *ec, struct notifier_block *nb) +{ + return blocking_notifier_chain_register(&ec->notifier_list, nb); +} +EXPORT_SYMBOL_GPL(yoga_c630_ec_register_notify); + +/** + * yoga_c630_ec_unregister_notify - Unregister notifier callback for EC events. + * @ec: Yoga C630 EC + * @nb: Notifier block pointer to unregister + * + * Unregister a notifier callback that was previously registered with + * yoga_c630_ec_register_notify(). + */ +void yoga_c630_ec_unregister_notify(struct yoga_c630_ec *ec, struct notifier_block *nb) +{ + blocking_notifier_chain_unregister(&ec->notifier_list, nb); +} +EXPORT_SYMBOL_GPL(yoga_c630_ec_unregister_notify); + +static void yoga_c630_aux_release(struct device *dev) +{ + struct auxiliary_device *adev = to_auxiliary_dev(dev); + + kfree(adev); +} + +static void yoga_c630_aux_remove(void *data) +{ + struct auxiliary_device *adev = data; + + auxiliary_device_delete(adev); + auxiliary_device_uninit(adev); +} + +static int yoga_c630_aux_init(struct device *parent, const char *name, + struct yoga_c630_ec *ec) +{ + struct auxiliary_device *adev; + int ret; + + adev = kzalloc(sizeof(*adev), GFP_KERNEL); + if (!adev) + return -ENOMEM; + + adev->name = name; + adev->id = 0; + adev->dev.parent = parent; + adev->dev.release = yoga_c630_aux_release; + adev->dev.platform_data = ec; + + ret = auxiliary_device_init(adev); + if (ret) { + kfree(adev); + return ret; + } + + ret = auxiliary_device_add(adev); + if (ret) { + auxiliary_device_uninit(adev); + return ret; + } + + return devm_add_action_or_reset(parent, yoga_c630_aux_remove, adev); +} + +static int yoga_c630_ec_probe(struct i2c_client *client) +{ + struct device *dev = &client->dev; + struct yoga_c630_ec *ec; + int ret; + + ec = devm_kzalloc(dev, sizeof(*ec), GFP_KERNEL); + if (!ec) + return -ENOMEM; + + mutex_init(&ec->lock); + ec->client = client; + BLOCKING_INIT_NOTIFIER_HEAD(&ec->notifier_list); + + ret = devm_request_threaded_irq(dev, client->irq, + NULL, yoga_c630_ec_thread_intr, + IRQF_ONESHOT, "yoga_c630_ec", ec); + if (ret < 0) + return dev_err_probe(dev, ret, "unable to request irq\n"); + + ret = yoga_c630_aux_init(dev, YOGA_C630_DEV_PSY, ec); + if (ret) + return ret; + + return yoga_c630_aux_init(dev, YOGA_C630_DEV_UCSI, ec); +} + + +static const struct of_device_id yoga_c630_ec_of_match[] = { + { .compatible = "lenovo,yoga-c630-ec" }, + {} +}; +MODULE_DEVICE_TABLE(of, yoga_c630_ec_of_match); + +static const struct i2c_device_id yoga_c630_ec_i2c_id_table[] = { + { "yoga-c630-ec", }, + {} +}; +MODULE_DEVICE_TABLE(i2c, yoga_c630_ec_i2c_id_table); + +static struct i2c_driver yoga_c630_ec_i2c_driver = { + .driver = { + .name = "yoga-c630-ec", + .of_match_table = yoga_c630_ec_of_match + }, + .probe = yoga_c630_ec_probe, + .id_table = yoga_c630_ec_i2c_id_table, +}; +module_i2c_driver(yoga_c630_ec_i2c_driver); + +MODULE_DESCRIPTION("Lenovo Yoga C630 Embedded Controller"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/platform_data/lenovo-yoga-c630.h b/include/linux/platform_data/lenovo-yoga-c630.h new file mode 100644 index 000000000000..5d1f9fb33cfc --- /dev/null +++ b/include/linux/platform_data/lenovo-yoga-c630.h @@ -0,0 +1,44 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022-2024, Linaro Ltd + * Authors: + * Bjorn Andersson + * Dmitry Baryshkov + */ + +#ifndef _LENOVO_YOGA_C630_DATA_H +#define _LENOVO_YOGA_C630_DATA_H + +struct yoga_c630_ec; +struct notifier_block; + +#define YOGA_C630_MOD_NAME "lenovo_yoga_c630" + +#define YOGA_C630_DEV_UCSI "ucsi" +#define YOGA_C630_DEV_PSY "psy" + +int yoga_c630_ec_read8(struct yoga_c630_ec *ec, u8 addr); +int yoga_c630_ec_read16(struct yoga_c630_ec *ec, u8 addr); + +int yoga_c630_ec_register_notify(struct yoga_c630_ec *ec, struct notifier_block *nb); +void yoga_c630_ec_unregister_notify(struct yoga_c630_ec *ec, struct notifier_block *nb); + +#define YOGA_C630_UCSI_WRITE_SIZE 8 +#define YOGA_C630_UCSI_CCI_SIZE 4 +#define YOGA_C630_UCSI_DATA_SIZE 16 +#define YOGA_C630_UCSI_READ_SIZE (YOGA_C630_UCSI_CCI_SIZE + YOGA_C630_UCSI_DATA_SIZE) + +u16 yoga_c630_ec_ucsi_get_version(struct yoga_c630_ec *ec); +int yoga_c630_ec_ucsi_write(struct yoga_c630_ec *ec, + const u8 req[YOGA_C630_UCSI_WRITE_SIZE]); +int yoga_c630_ec_ucsi_read(struct yoga_c630_ec *ec, + u8 resp[YOGA_C630_UCSI_READ_SIZE]); + +#define LENOVO_EC_EVENT_USB 0x20 +#define LENOVO_EC_EVENT_UCSI 0x21 +#define LENOVO_EC_EVENT_HPD 0x22 +#define LENOVO_EC_EVENT_BAT_STATUS 0x24 +#define LENOVO_EC_EVENT_BAT_INFO 0x25 +#define LENOVO_EC_EVENT_BAT_ADPT_STATUS 0x37 + +#endif From patchwork Wed Jun 12 09:59:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 803834 Received: from mail-lf1-f42.google.com (mail-lf1-f42.google.com [209.85.167.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3C52516E887 for ; Wed, 12 Jun 2024 09:59:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.42 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718186382; cv=none; b=IBMm9FfWFCTtBlFFQPMXqUMdNPY8PTbo0vgouWUwV3rSxhsXIT2h7wWgm1yQ0K7QOkl/UtUsH0wWatUxeR12kIctVlJ4X+Q+lKBx12nRkYHPRVD9bmMwchgUjulUV354CtKVj3z9tmDoRuQjXpKnvo3sWMCAWya47/ykduLwScQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718186382; c=relaxed/simple; bh=536LhHJbNHnYzP9G0tt9rYUFSxdg83RMRIw2Sz9ImnA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=OjMSPvMljQ4GGoJCHrNheaaT7/lne3FbgWd2Bv2V7ngyAGQ/3jn0tduuyAGOr8V/6gSrZuaJ6sFcVC6jbLI5pwvhOAKV8qGz6woMUpuLiADYYoQXc89IPYfGcbTaMw5BTkmmpgfu6362A5D/uoO4QRmxofTadMT+MhbKu0TyHoQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=FrPANOgf; arc=none smtp.client-ip=209.85.167.42 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="FrPANOgf" Received: by mail-lf1-f42.google.com with SMTP id 2adb3069b0e04-52b7ffd9f6eso7340745e87.3 for ; Wed, 12 Jun 2024 02:59:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1718186377; x=1718791177; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=jiZrChU/cCRRqsW6GBKx9axeNfgylU+gBWIc4umxzkg=; b=FrPANOgfdk04WquPag3jNjgZJJjx13bvnPWexMSV4xz2ZVihVpnvb7QkYSqkrwQ13M WgoSIH5ca0owE7OP1L3AU3dF9B0qRXFcP486a2VveLHuI14iEoDvEIXqcbbuVRkqFVb6 K1lLIz+BgxcEJ8iIGj6t2Jk0H2w0NHZXxxPPQR60vyKhHNTOO190pCa53Fumq/Y7v3gT uAmzzEg3LKw3u/8QRDUU3WFVVNcNx1c6H4CjKW8X4MzFicpo4lcN2y7rllE1P2LcQFth UWvtqe2KlyeSRSJnrqZjN/rZDQuSfG+w4UgejJxGoceo7O6RQBfxDjB2Ko9WJ0kVlmCL WAjg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718186377; x=1718791177; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=jiZrChU/cCRRqsW6GBKx9axeNfgylU+gBWIc4umxzkg=; b=ihDUGllslUuRY2nJoRbaY+XdJZ5ZcZvYkxGHyLiX2iT3RBbqLS7lHdd2JyinqvV8c4 WEyqscGo+SNVScvFpQoeFpstJkMlaFxQMhlm6P3UPEsMJ0QsKmt3Y5puAfbeTtcM/5Xv ypDV5lc3gSiY0VxKgK3oyl2chRUEKL+kZNNzfXKYmSNJK8uZLUY3L4LPVvG6ZqLl+jKl 1P3+PJhw/RoopST6i9+dpTZ1C1AxZtL53hhuQpGeRnAnTOzoyvTTW/PiAuRfjsJeLUTW tp+sd/1P779WdFgezLeDVIKelHe8wgPML3ERTOH81WqKeHZEZOKJRi5lpo0T3NqdHJ8D lpgw== X-Forwarded-Encrypted: i=1; AJvYcCVNAnFzVLYkYsGHdzeSK78GssmBNmwfYzPVCzYB483T+jKsriigDs6Qm52lIkAxB0dUzsGsarvSCRIM8OEpDzMWJrlfrzRItgoT X-Gm-Message-State: AOJu0Yy4Lelqjl2xLaS/wCLAQrXkqv0+usj4hgN4nMy604jDojD6GZOQ p7Guc6KBTsY2pcTV5uMbjqktfSwNpnJAxgCmN/4vgYtsweY+7ivSHBbN1pHylHE= X-Google-Smtp-Source: AGHT+IHjxlNdeTb2se4ALSsrpkUx05qLO/JByqtxwYMI8glMVosmIlzsmx0z23664Gqvi5+lyxuHKw== X-Received: by 2002:a05:6512:3b83:b0:52c:84a2:6e0c with SMTP id 2adb3069b0e04-52c9a3fcc1bmr1061843e87.42.1718186377048; Wed, 12 Jun 2024 02:59:37 -0700 (PDT) Received: from umbar.lan ([192.130.178.91]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-52c8907dae9sm1408095e87.129.2024.06.12.02.59.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Jun 2024 02:59:36 -0700 (PDT) From: Dmitry Baryshkov Date: Wed, 12 Jun 2024 12:59:34 +0300 Subject: [PATCH v6 3/6] usb: typec: ucsi: add Lenovo Yoga C630 glue driver Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240612-yoga-ec-driver-v6-3-8e76ba060439@linaro.org> References: <20240612-yoga-ec-driver-v6-0-8e76ba060439@linaro.org> In-Reply-To: <20240612-yoga-ec-driver-v6-0-8e76ba060439@linaro.org> To: Sebastian Reichel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , Bryan O'Donoghue , Heikki Krogerus , Greg Kroah-Hartman , Konrad Dybcio Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, Nikita Travkin X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=7269; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=536LhHJbNHnYzP9G0tt9rYUFSxdg83RMRIw2Sz9ImnA=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBmaXGFOoqOaeRh29a6Z4lsde68fzBu/Dh+pkzlF 95GtJ22y4yJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCZmlxhQAKCRCLPIo+Aiko 1fpvB/9/qLAqCYMi38v5tvuOdQHAERhs9i9LsXiTuwxKTazK2DbpU1t2Dnqg61nXDvZiizmJU1i EWSmLGnaCV3BqkLXYKDPYXwDyGOyK1tma/zioG0polMf0VOFzaFtPVAeeTsqq3IYNcF3j3meHXN jpDUklZY33dI8Xo89k3eYn9FPSQLa463nVKdQVB4Y+QoJ6KsZZtv3QqihB42QVTT9sMDGwjgMV0 SFlYySnKf7ux7RGp03W66Gufa0SlCDKd6n0okUnBzb4dJIFzFz/K/TmWUZPkm3R5RPCbqXF/yRb AUpUGW5I24yJbgUmE/yvNfjv10EMJm0A2UQrbFF/t2Ea7rLj X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A The Lenovo Yoga C630 WOS laptop provides implements UCSI interface in the onboard EC. Add glue driver to interface the platform's UCSI implementation. Reviewed-by: Bryan O'Donoghue Reviewed-by: Heikki Krogerus Signed-off-by: Dmitry Baryshkov --- drivers/usb/typec/ucsi/Kconfig | 9 ++ drivers/usb/typec/ucsi/Makefile | 1 + drivers/usb/typec/ucsi/ucsi_yoga_c630.c | 202 ++++++++++++++++++++++++++++++++ 3 files changed, 212 insertions(+) diff --git a/drivers/usb/typec/ucsi/Kconfig b/drivers/usb/typec/ucsi/Kconfig index bdcb1764cfae..680e1b87b152 100644 --- a/drivers/usb/typec/ucsi/Kconfig +++ b/drivers/usb/typec/ucsi/Kconfig @@ -69,4 +69,13 @@ config UCSI_PMIC_GLINK To compile the driver as a module, choose M here: the module will be called ucsi_glink. +config UCSI_LENOVO_YOGA_C630 + tristate "UCSI Interface Driver for Lenovo Yoga C630" + depends on EC_LENOVO_YOGA_C630 + help + This driver enables UCSI support on the Lenovo Yoga C630 laptop. + + To compile the driver as a module, choose M here: the module will be + called ucsi_yoga_c630. + endif diff --git a/drivers/usb/typec/ucsi/Makefile b/drivers/usb/typec/ucsi/Makefile index b4679f94696b..aed41d23887b 100644 --- a/drivers/usb/typec/ucsi/Makefile +++ b/drivers/usb/typec/ucsi/Makefile @@ -21,3 +21,4 @@ obj-$(CONFIG_UCSI_ACPI) += ucsi_acpi.o obj-$(CONFIG_UCSI_CCG) += ucsi_ccg.o obj-$(CONFIG_UCSI_STM32G0) += ucsi_stm32g0.o obj-$(CONFIG_UCSI_PMIC_GLINK) += ucsi_glink.o +obj-$(CONFIG_UCSI_LENOVO_YOGA_C630) += ucsi_yoga_c630.o diff --git a/drivers/usb/typec/ucsi/ucsi_yoga_c630.c b/drivers/usb/typec/ucsi/ucsi_yoga_c630.c new file mode 100644 index 000000000000..194b49291f28 --- /dev/null +++ b/drivers/usb/typec/ucsi/ucsi_yoga_c630.c @@ -0,0 +1,202 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022-2024, Linaro Ltd + * Authors: + * Bjorn Andersson + * Dmitry Baryshkov + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#include "ucsi.h" + +struct yoga_c630_ucsi { + struct yoga_c630_ec *ec; + struct ucsi *ucsi; + struct notifier_block nb; + struct completion complete; + unsigned long flags; +#define UCSI_C630_COMMAND_PENDING 0 +#define UCSI_C630_ACK_PENDING 1 + u16 version; +}; + +static int yoga_c630_ucsi_read(struct ucsi *ucsi, unsigned int offset, + void *val, size_t val_len) +{ + struct yoga_c630_ucsi *uec = ucsi_get_drvdata(ucsi); + u8 buf[YOGA_C630_UCSI_READ_SIZE]; + int ret; + + ret = yoga_c630_ec_ucsi_read(uec->ec, buf); + if (ret) + return ret; + + if (offset == UCSI_VERSION) { + memcpy(val, &uec->version, min(val_len, sizeof(uec->version))); + return 0; + } + + if (offset == UCSI_CCI) + memcpy(val, buf, min(val_len, YOGA_C630_UCSI_CCI_SIZE)); + else if (offset == UCSI_MESSAGE_IN) + memcpy(val, buf + YOGA_C630_UCSI_CCI_SIZE, + min(val_len, YOGA_C630_UCSI_DATA_SIZE)); + else + return -EINVAL; + + return 0; +} + +static int yoga_c630_ucsi_async_write(struct ucsi *ucsi, unsigned int offset, + const void *val, size_t val_len) +{ + struct yoga_c630_ucsi *uec = ucsi_get_drvdata(ucsi); + + if (offset != UCSI_CONTROL || + val_len != YOGA_C630_UCSI_WRITE_SIZE) + return -EINVAL; + + return yoga_c630_ec_ucsi_write(uec->ec, val); +} + +static int yoga_c630_ucsi_sync_write(struct ucsi *ucsi, unsigned int offset, + const void *val, size_t val_len) +{ + struct yoga_c630_ucsi *uec = ucsi_get_drvdata(ucsi); + bool ack = UCSI_COMMAND(*(u64 *)val) == UCSI_ACK_CC_CI; + int ret; + + if (ack) + set_bit(UCSI_C630_ACK_PENDING, &uec->flags); + else + set_bit(UCSI_C630_COMMAND_PENDING, &uec->flags); + + reinit_completion(&uec->complete); + + ret = yoga_c630_ucsi_async_write(ucsi, offset, val, val_len); + if (ret) + goto out_clear_bit; + + if (!wait_for_completion_timeout(&uec->complete, 5 * HZ)) + ret = -ETIMEDOUT; + +out_clear_bit: + if (ack) + clear_bit(UCSI_C630_ACK_PENDING, &uec->flags); + else + clear_bit(UCSI_C630_COMMAND_PENDING, &uec->flags); + + return ret; +} + +const struct ucsi_operations yoga_c630_ucsi_ops = { + .read = yoga_c630_ucsi_read, + .sync_write = yoga_c630_ucsi_sync_write, + .async_write = yoga_c630_ucsi_async_write, +}; + +static void yoga_c630_ucsi_notify_ucsi(struct yoga_c630_ucsi *uec, u32 cci) +{ + if (UCSI_CCI_CONNECTOR(cci)) + ucsi_connector_change(uec->ucsi, UCSI_CCI_CONNECTOR(cci)); + + if (cci & UCSI_CCI_ACK_COMPLETE && + test_bit(UCSI_C630_ACK_PENDING, &uec->flags)) + complete(&uec->complete); + + if (cci & UCSI_CCI_COMMAND_COMPLETE && + test_bit(UCSI_C630_COMMAND_PENDING, &uec->flags)) + complete(&uec->complete); +} + +static int yoga_c630_ucsi_notify(struct notifier_block *nb, + unsigned long action, void *data) +{ + struct yoga_c630_ucsi *uec = container_of(nb, struct yoga_c630_ucsi, nb); + u32 cci; + int ret; + + switch (action) { + case LENOVO_EC_EVENT_USB: + case LENOVO_EC_EVENT_HPD: + ucsi_connector_change(uec->ucsi, 1); + return NOTIFY_OK; + + case LENOVO_EC_EVENT_UCSI: + ret = uec->ucsi->ops->read(uec->ucsi, UCSI_CCI, &cci, sizeof(cci)); + if (ret) + return NOTIFY_DONE; + + yoga_c630_ucsi_notify_ucsi(uec, cci); + + return NOTIFY_OK; + + default: + return NOTIFY_DONE; + } +} + +static int yoga_c630_ucsi_probe(struct auxiliary_device *adev, + const struct auxiliary_device_id *id) +{ + struct yoga_c630_ec *ec = adev->dev.platform_data; + struct yoga_c630_ucsi *uec; + int ret; + + uec = devm_kzalloc(&adev->dev, sizeof(*uec), GFP_KERNEL); + if (!uec) + return -ENOMEM; + + uec->ec = ec; + init_completion(&uec->complete); + uec->nb.notifier_call = yoga_c630_ucsi_notify; + + uec->ucsi = ucsi_create(&adev->dev, &yoga_c630_ucsi_ops); + if (IS_ERR(uec->ucsi)) + return PTR_ERR(uec->ucsi); + + ucsi_set_drvdata(uec->ucsi, uec); + + uec->version = yoga_c630_ec_ucsi_get_version(uec->ec); + + auxiliary_set_drvdata(adev, uec); + + ret = yoga_c630_ec_register_notify(ec, &uec->nb); + if (ret) + return ret; + + return ucsi_register(uec->ucsi); +} + +static void yoga_c630_ucsi_remove(struct auxiliary_device *adev) +{ + struct yoga_c630_ucsi *uec = auxiliary_get_drvdata(adev); + + yoga_c630_ec_unregister_notify(uec->ec, &uec->nb); + ucsi_unregister(uec->ucsi); +} + +static const struct auxiliary_device_id yoga_c630_ucsi_id_table[] = { + { .name = YOGA_C630_MOD_NAME "." YOGA_C630_DEV_UCSI, }, + {} +}; +MODULE_DEVICE_TABLE(auxiliary, yoga_c630_ucsi_id_table); + +static struct auxiliary_driver yoga_c630_ucsi_driver = { + .name = YOGA_C630_DEV_UCSI, + .id_table = yoga_c630_ucsi_id_table, + .probe = yoga_c630_ucsi_probe, + .remove = yoga_c630_ucsi_remove, +}; + +module_auxiliary_driver(yoga_c630_ucsi_driver); + +MODULE_DESCRIPTION("Lenovo Yoga C630 UCSI"); +MODULE_LICENSE("GPL"); From patchwork Wed Jun 12 09:59:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 804509 Received: from mail-lf1-f49.google.com (mail-lf1-f49.google.com [209.85.167.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CFF5A16E898 for ; Wed, 12 Jun 2024 09:59:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.49 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718186383; cv=none; b=m8jiMEy0iapcolNx0l5zKApAkh8UAT3rg1qZWDsohMQlEEqDb9eUBe6ah9LwbVEYlN/Al2Nx06uBxSDDImL4cqS+zyaShmyifhenmzc1HhLx9WFceRHKgA7kbjSMhkYAUyxzkvOKxbRKABwRSVuV4/JsaG+ZXjtUBBQtq3rQAts= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718186383; c=relaxed/simple; bh=kjiRR/aTqwtnPBdziJVOFsjsB2oelRJFCXGyR0bGHuo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=JuVPJgk/5pN/ysrSWEBX0qOAIm0PoslXBu7ZUt3YMmwJ62ksIiZFA9vz5wZT+99/5oQex04m+s3QEuTBKcZ1u3SNAu8Q66UwSRRmzFYLJ63FuYJxDzyayATSQKSqCliX33Cxwoybvz/1lruBvOaeh9sPkakygRHGLqhlyWLELMs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=Ixh0K4/Q; arc=none smtp.client-ip=209.85.167.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Ixh0K4/Q" Received: by mail-lf1-f49.google.com with SMTP id 2adb3069b0e04-52c9034860dso3333569e87.2 for ; Wed, 12 Jun 2024 02:59:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1718186378; x=1718791178; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=SGOHmSlS5KUbXp4q4upOjoea9Ddg/UJrl7ZqS3zOIXU=; b=Ixh0K4/QcaEeA5f5nzUbcBmpfqNRNJJZfetUQaWCF438Bf5exj8co3B5Mi63weVagr ttxU29plVpQkcCY8oDtFQc/lzM23qtIR6PZx+yjv/6LZZcG7ZOaF5Day3GAAGICZKVWI teXn5hqN+NlK7TsiVEP8D/Htcmh0akXlRr3XIE3ZLuHCoNLfEVnUNTxkGTv90lv+cl23 5YMDzCiEe0XBhxFVVBckqhKQ6R0c8d3Dl4w0KmAh7Wyph510NCDZKmcAwvB06yoPSP1w LVZzkT1YyjGTDbbI9JtqjVm5PeteDwpgS4My3lZsIOrUmKR+ReWYPeYSQijGhonLOmIs QAqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718186378; x=1718791178; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=SGOHmSlS5KUbXp4q4upOjoea9Ddg/UJrl7ZqS3zOIXU=; b=Y3ktTbhksSFLEtCtPZ1Zjsir2u3qnfjIhUpR1gFckHtCqYJdtcEcFI6HiQO2w1Z3uw MnyLMbDGwa0F841FjxIZKedDeVCG59K/7R+tWr6UOop6fs8H0xSWPuWN847fbnEGLWH7 uGGPYI+TWiQWZ2aGr3at7Z0Yy9yFYdqGO8zCTXv+4eVLL8bA0kV6X+wUW4QARVtuYkfg b9kNYyMzmu6ahobHjODQfVua3MD+MsTgD1WGm1JWGDNmdhHV3KGF/q56S7M1UpcfmKhU wYsELrZC6ojBz0+Wjz2JsbjHQyuIPxb6Of5NMnq4rKipeDiXwqVRfzL1L+PkMkUJaRYc sO2w== X-Forwarded-Encrypted: i=1; AJvYcCVukyxoeqavm188Ufc2Ot5gJUyInCbrEHhu+XjO+vdwEYU8/KMx/OOZWNDAYIewnI8qjmOKzb45U+k9CMl7mfS5VuTYt8RU4NTl X-Gm-Message-State: AOJu0YxUBTDeq/c/6LIrvcgYA8M5RrII/Si64AiPWQXXQiwMvAeQyefu lKs395ZpK6mUMaEs0Z9pt4Q6eu96br6uh7p79sLtSuDCyxdLsEbXF4Ww250mIIo= X-Google-Smtp-Source: AGHT+IEyaAKOfNn2XZMMDTmW5MmIM0+oDS+Ybim4M8nJJQBxQiNybCeP8Zi1AuWy3W43nGsj5K6vrw== X-Received: by 2002:ac2:4181:0:b0:52c:95d3:8f6a with SMTP id 2adb3069b0e04-52c9a3e23a1mr1039956e87.30.1718186377722; Wed, 12 Jun 2024 02:59:37 -0700 (PDT) Received: from umbar.lan ([192.130.178.91]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-52c8907dae9sm1408095e87.129.2024.06.12.02.59.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Jun 2024 02:59:37 -0700 (PDT) From: Dmitry Baryshkov Date: Wed, 12 Jun 2024 12:59:35 +0300 Subject: [PATCH v6 4/6] power: supply: lenovo_yoga_c630_battery: add Lenovo C630 driver Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240612-yoga-ec-driver-v6-4-8e76ba060439@linaro.org> References: <20240612-yoga-ec-driver-v6-0-8e76ba060439@linaro.org> In-Reply-To: <20240612-yoga-ec-driver-v6-0-8e76ba060439@linaro.org> To: Sebastian Reichel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , Bryan O'Donoghue , Heikki Krogerus , Greg Kroah-Hartman , Konrad Dybcio Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, Nikita Travkin X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=16012; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=kjiRR/aTqwtnPBdziJVOFsjsB2oelRJFCXGyR0bGHuo=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBmaXGFQqSRbsUdU2TDsx8qmRL9GxhDeb1cvaNox wLDPz8eBY+JATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCZmlxhQAKCRCLPIo+Aiko 1ZMZB/9eZi/nE+lYTJ3qbkstk8yUHN8oEqcYCZS6r84tqgXutd0qdUfarWWfbn5iu+QRiydh2sx lT7YUGvND0QVmujBg1McMZ+ZgtoCfz4qnCWja6MJW0bcvnL6Q8xClfJCiiawGXKyUL9HXS2OuvN amjcurRQNkLJ+j+pxEbm/cpSewarW52P+hVNzlhH5GLIQC3Vbzij6Q0ECk29mtqvd+MwPVipagr l1jvBWgK5fasqMMO4+V151k3wGMCdsB9K4r3lJP3ILVsEYBEz9+/fh8LoIe5J/Stt63TmvAL2mE wzdZJHMGeXRqOdpotFq2fMu0p8uQlH0+DqpsMy3ECtmXEgtU X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A On the Lenovo Yoga C630 WOS laptop the EC provides access to the adapter and battery status. Add the driver to read power supply status on the laptop. Signed-off-by: Dmitry Baryshkov --- drivers/power/supply/Kconfig | 9 + drivers/power/supply/Makefile | 1 + drivers/power/supply/lenovo_yoga_c630_battery.c | 500 ++++++++++++++++++++++++ 3 files changed, 510 insertions(+) diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig index 3e31375491d5..55ab8e90747d 100644 --- a/drivers/power/supply/Kconfig +++ b/drivers/power/supply/Kconfig @@ -167,6 +167,15 @@ config BATTERY_LEGO_EV3 help Say Y here to enable support for the LEGO MINDSTORMS EV3 battery. +config BATTERY_LENOVO_YOGA_C630 + tristate "Lenovo Yoga C630 battery" + depends on OF && EC_LENOVO_YOGA_C630 + help + This driver enables battery support on the Lenovo Yoga C630 laptop. + + To compile the driver as a module, choose M here: the module will be + called lenovo_yoga_c630_battery. + config BATTERY_PMU tristate "Apple PMU battery" depends on PPC32 && ADB_PMU diff --git a/drivers/power/supply/Makefile b/drivers/power/supply/Makefile index 58b567278034..8ebbdcf92dac 100644 --- a/drivers/power/supply/Makefile +++ b/drivers/power/supply/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_BATTERY_DS2782) += ds2782_battery.o obj-$(CONFIG_BATTERY_GAUGE_LTC2941) += ltc2941-battery-gauge.o obj-$(CONFIG_BATTERY_GOLDFISH) += goldfish_battery.o obj-$(CONFIG_BATTERY_LEGO_EV3) += lego_ev3_battery.o +obj-$(CONFIG_BATTERY_LENOVO_YOGA_C630) += lenovo_yoga_c630_battery.o obj-$(CONFIG_BATTERY_PMU) += pmu_battery.o obj-$(CONFIG_BATTERY_QCOM_BATTMGR) += qcom_battmgr.o obj-$(CONFIG_BATTERY_OLPC) += olpc_battery.o diff --git a/drivers/power/supply/lenovo_yoga_c630_battery.c b/drivers/power/supply/lenovo_yoga_c630_battery.c new file mode 100644 index 000000000000..0013994a22a0 --- /dev/null +++ b/drivers/power/supply/lenovo_yoga_c630_battery.c @@ -0,0 +1,500 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022-2024, Linaro Ltd + * Authors: + * Bjorn Andersson + * Dmitry Baryshkov + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +struct yoga_c630_psy { + struct yoga_c630_ec *ec; + struct device *dev; + struct fwnode_handle *fwnode; + struct notifier_block nb; + + /* guards all battery properties and registration of power supplies */ + struct mutex lock; + + struct power_supply *adp_psy; + struct power_supply *bat_psy; + + unsigned long last_status_update; + + bool adapter_online; + + bool unit_mA; + + bool bat_present; + unsigned int bat_status; + unsigned int design_capacity; + unsigned int design_voltage; + unsigned int full_charge_capacity; + + unsigned int capacity_now; + unsigned int voltage_now; + + int current_now; + int rate_now; +}; + +#define LENOVO_EC_CACHE_TIME (10 * HZ) + +#define LENOVO_EC_ADPT_STATUS 0xa3 +#define LENOVO_EC_ADPT_STATUS_PRESENT BIT(7) +#define LENOVO_EC_BAT_ATTRIBUTES 0xc0 +#define LENOVO_EC_BAT_ATTRIBUTES_UNIT_IS_MA BIT(1) +#define LENOVO_EC_BAT_STATUS 0xc1 +#define LENOVO_EC_BAT_STATUS_DISCHARGING BIT(0) +#define LENOVO_EC_BAT_STATUS_CHARGING BIT(1) +#define LENOVO_EC_BAT_REMAIN_CAPACITY 0xc2 +#define LENOVO_EC_BAT_VOLTAGE 0xc6 +#define LENOVO_EC_BAT_DESIGN_VOLTAGE 0xc8 +#define LENOVO_EC_BAT_DESIGN_CAPACITY 0xca +#define LENOVO_EC_BAT_FULL_CAPACITY 0xcc +#define LENOVO_EC_BAT_CURRENT 0xd2 +#define LENOVO_EC_BAT_FULL_FACTORY 0xd6 +#define LENOVO_EC_BAT_PRESENT 0xda +#define LENOVO_EC_BAT_PRESENT_IS_PRESENT BIT(0) +#define LENOVO_EC_BAT_FULL_REGISTER 0xdb +#define LENOVO_EC_BAT_FULL_REGISTER_IS_FACTORY BIT(0) + +/* the mutex should already be locked */ +static int yoga_c630_psy_update_bat_info(struct yoga_c630_psy *ecbat) +{ + struct yoga_c630_ec *ec = ecbat->ec; + int val; + + val = yoga_c630_ec_read8(ec, LENOVO_EC_BAT_PRESENT); + if (val < 0) + return val; + ecbat->bat_present = !!(val & LENOVO_EC_BAT_PRESENT_IS_PRESENT); + if (!ecbat->bat_present) + return val; + + val = yoga_c630_ec_read8(ec, LENOVO_EC_BAT_ATTRIBUTES); + if (val < 0) + return val; + ecbat->unit_mA = val & LENOVO_EC_BAT_ATTRIBUTES_UNIT_IS_MA; + + val = yoga_c630_ec_read16(ec, LENOVO_EC_BAT_DESIGN_CAPACITY); + if (val < 0) + return val; + ecbat->design_capacity = val * 1000; + + /* + * DSDT has delays after most of EC reads in these methods. + * Having no documentation for the EC we have to follow and sleep here. + */ + msleep(50); + + val = yoga_c630_ec_read16(ec, LENOVO_EC_BAT_DESIGN_VOLTAGE); + if (val < 0) + return val; + ecbat->design_voltage = val; + + msleep(50); + + val = yoga_c630_ec_read8(ec, LENOVO_EC_BAT_FULL_REGISTER); + if (val < 0) + return val; + val = yoga_c630_ec_read16(ec, + val & LENOVO_EC_BAT_FULL_REGISTER_IS_FACTORY ? + LENOVO_EC_BAT_FULL_FACTORY : + LENOVO_EC_BAT_FULL_CAPACITY); + if (val < 0) + return val; + + ecbat->full_charge_capacity = val * 1000; + + if (!ecbat->unit_mA) { + ecbat->design_capacity *= 10; + ecbat->full_charge_capacity *= 10; + } + + return 0; +} + +static int yoga_c630_psy_maybe_update_bat_status(struct yoga_c630_psy *ecbat) +{ + struct yoga_c630_ec *ec = ecbat->ec; + int current_mA; + int val; + + scoped_guard(mutex, &ecbat->lock) { + if (time_before(jiffies, ecbat->last_status_update + LENOVO_EC_CACHE_TIME)) + return 0; + + val = yoga_c630_ec_read8(ec, LENOVO_EC_BAT_STATUS); + if (val < 0) + return val; + ecbat->bat_status = val; + + msleep(50); + + val = yoga_c630_ec_read16(ec, LENOVO_EC_BAT_REMAIN_CAPACITY); + if (val < 0) + return val; + ecbat->capacity_now = val * 1000; + + msleep(50); + + val = yoga_c630_ec_read16(ec, LENOVO_EC_BAT_VOLTAGE); + if (val < 0) + return val; + ecbat->voltage_now = val * 1000; + + msleep(50); + + val = yoga_c630_ec_read16(ec, LENOVO_EC_BAT_CURRENT); + if (val < 0) + return val; + current_mA = sign_extend32(val, 15); + ecbat->current_now = current_mA * 1000; + ecbat->rate_now = current_mA * (ecbat->voltage_now / 1000); + + msleep(50); + + if (!ecbat->unit_mA) + ecbat->capacity_now *= 10; + + ecbat->last_status_update = jiffies; + } + + return 0; +} + +static int yoga_c630_psy_update_adapter_status(struct yoga_c630_psy *ecbat) +{ + struct yoga_c630_ec *ec = ecbat->ec; + int val; + + scoped_guard(mutex, &ecbat->lock) { + val = yoga_c630_ec_read8(ec, LENOVO_EC_ADPT_STATUS); + if (val < 0) + return val; + + ecbat->adapter_online = !!(val & LENOVO_EC_ADPT_STATUS_PRESENT); + } + + return 0; +} + +static bool yoga_c630_psy_is_charged(struct yoga_c630_psy *ecbat) +{ + if (ecbat->bat_status != 0) + return false; + + if (ecbat->full_charge_capacity <= ecbat->capacity_now) + return true; + + if (ecbat->design_capacity <= ecbat->capacity_now) + return true; + + return false; +} + +static int yoga_c630_psy_bat_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct yoga_c630_psy *ecbat = power_supply_get_drvdata(psy); + int rc = 0; + + if (!ecbat->bat_present && psp != POWER_SUPPLY_PROP_PRESENT) + return -ENODEV; + + rc = yoga_c630_psy_maybe_update_bat_status(ecbat); + if (rc) + return rc; + + switch (psp) { + case POWER_SUPPLY_PROP_STATUS: + if (ecbat->bat_status & LENOVO_EC_BAT_STATUS_DISCHARGING) + val->intval = POWER_SUPPLY_STATUS_DISCHARGING; + else if (ecbat->bat_status & LENOVO_EC_BAT_STATUS_CHARGING) + val->intval = POWER_SUPPLY_STATUS_CHARGING; + else if (yoga_c630_psy_is_charged(ecbat)) + val->intval = POWER_SUPPLY_STATUS_FULL; + else + val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; + break; + case POWER_SUPPLY_PROP_PRESENT: + val->intval = ecbat->bat_present; + break; + case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: + val->intval = ecbat->design_voltage; + break; + case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: + case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN: + val->intval = ecbat->design_capacity; + break; + case POWER_SUPPLY_PROP_CHARGE_FULL: + case POWER_SUPPLY_PROP_ENERGY_FULL: + val->intval = ecbat->full_charge_capacity; + break; + case POWER_SUPPLY_PROP_CHARGE_NOW: + case POWER_SUPPLY_PROP_ENERGY_NOW: + val->intval = ecbat->capacity_now; + break; + case POWER_SUPPLY_PROP_CURRENT_NOW: + val->intval = ecbat->current_now; + break; + case POWER_SUPPLY_PROP_POWER_NOW: + val->intval = ecbat->rate_now; + break; + case POWER_SUPPLY_PROP_VOLTAGE_NOW: + val->intval = ecbat->voltage_now; + break; + case POWER_SUPPLY_PROP_TECHNOLOGY: + val->intval = POWER_SUPPLY_TECHNOLOGY_LION; + break; + case POWER_SUPPLY_PROP_MODEL_NAME: + val->strval = "PABAS0241231"; + break; + case POWER_SUPPLY_PROP_MANUFACTURER: + val->strval = "Compal"; + break; + case POWER_SUPPLY_PROP_SCOPE: + val->intval = POWER_SUPPLY_SCOPE_SYSTEM; + break; + default: + rc = -EINVAL; + break; + } + + return rc; +} + +static enum power_supply_property yoga_c630_psy_bat_mA_properties[] = { + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, + POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, + POWER_SUPPLY_PROP_CHARGE_FULL, + POWER_SUPPLY_PROP_CHARGE_NOW, + POWER_SUPPLY_PROP_CURRENT_NOW, + POWER_SUPPLY_PROP_POWER_NOW, + POWER_SUPPLY_PROP_VOLTAGE_NOW, + POWER_SUPPLY_PROP_TECHNOLOGY, + POWER_SUPPLY_PROP_MODEL_NAME, + POWER_SUPPLY_PROP_MANUFACTURER, + POWER_SUPPLY_PROP_SCOPE, +}; + +static enum power_supply_property yoga_c630_psy_bat_mWh_properties[] = { + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, + POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN, + POWER_SUPPLY_PROP_ENERGY_FULL, + POWER_SUPPLY_PROP_ENERGY_NOW, + POWER_SUPPLY_PROP_CURRENT_NOW, + POWER_SUPPLY_PROP_POWER_NOW, + POWER_SUPPLY_PROP_VOLTAGE_NOW, + POWER_SUPPLY_PROP_TECHNOLOGY, + POWER_SUPPLY_PROP_MODEL_NAME, + POWER_SUPPLY_PROP_MANUFACTURER, + POWER_SUPPLY_PROP_SCOPE, +}; + +static const struct power_supply_desc yoga_c630_psy_bat_psy_desc_mA = { + .name = "yoga-c630-battery", + .type = POWER_SUPPLY_TYPE_BATTERY, + .properties = yoga_c630_psy_bat_mA_properties, + .num_properties = ARRAY_SIZE(yoga_c630_psy_bat_mA_properties), + .get_property = yoga_c630_psy_bat_get_property, +}; + +static const struct power_supply_desc yoga_c630_psy_bat_psy_desc_mWh = { + .name = "yoga-c630-battery", + .type = POWER_SUPPLY_TYPE_BATTERY, + .properties = yoga_c630_psy_bat_mWh_properties, + .num_properties = ARRAY_SIZE(yoga_c630_psy_bat_mWh_properties), + .get_property = yoga_c630_psy_bat_get_property, +}; + +static int yoga_c630_psy_adpt_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct yoga_c630_psy *ecbat = power_supply_get_drvdata(psy); + int ret = 0; + + ret = yoga_c630_psy_update_adapter_status(ecbat); + if (ret < 0) + return ret; + + switch (psp) { + case POWER_SUPPLY_PROP_ONLINE: + val->intval = ecbat->adapter_online; + break; + case POWER_SUPPLY_PROP_USB_TYPE: + val->intval = POWER_SUPPLY_USB_TYPE_C; + break; + default: + return -EINVAL; + } + + return 0; +} + +static enum power_supply_property yoga_c630_psy_adpt_properties[] = { + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_USB_TYPE, +}; + +static const enum power_supply_usb_type yoga_c630_psy_adpt_usb_type[] = { + POWER_SUPPLY_USB_TYPE_C, +}; + +static const struct power_supply_desc yoga_c630_psy_adpt_psy_desc = { + .name = "yoga-c630-adapter", + .type = POWER_SUPPLY_TYPE_USB, + .usb_types = yoga_c630_psy_adpt_usb_type, + .num_usb_types = ARRAY_SIZE(yoga_c630_psy_adpt_usb_type), + .properties = yoga_c630_psy_adpt_properties, + .num_properties = ARRAY_SIZE(yoga_c630_psy_adpt_properties), + .get_property = yoga_c630_psy_adpt_get_property, +}; + +static int yoga_c630_psy_register_bat_psy(struct yoga_c630_psy *ecbat) +{ + struct power_supply_config bat_cfg = {}; + + bat_cfg.drv_data = ecbat; + bat_cfg.fwnode = ecbat->fwnode; + ecbat->bat_psy = power_supply_register_no_ws(ecbat->dev, + ecbat->unit_mA ? + &yoga_c630_psy_bat_psy_desc_mA : + &yoga_c630_psy_bat_psy_desc_mWh, + &bat_cfg); + if (IS_ERR(ecbat->bat_psy)) { + dev_err(ecbat->dev, "failed to register battery supply\n"); + return PTR_ERR(ecbat->bat_psy); + } + + return 0; +} + +static void yoga_c630_ec_refresh_bat_info(struct yoga_c630_psy *ecbat) +{ + bool current_unit; + + scoped_guard(mutex, &ecbat->lock) { + current_unit = ecbat->unit_mA; + + yoga_c630_psy_update_bat_info(ecbat); + + if (current_unit != ecbat->unit_mA) { + power_supply_unregister(ecbat->bat_psy); + yoga_c630_psy_register_bat_psy(ecbat); + } + } +} + +static int yoga_c630_psy_notify(struct notifier_block *nb, + unsigned long action, void *data) +{ + struct yoga_c630_psy *ecbat = container_of(nb, struct yoga_c630_psy, nb); + + switch (action) { + case LENOVO_EC_EVENT_BAT_INFO: + yoga_c630_ec_refresh_bat_info(ecbat); + break; + case LENOVO_EC_EVENT_BAT_ADPT_STATUS: + power_supply_changed(ecbat->adp_psy); + fallthrough; + case LENOVO_EC_EVENT_BAT_STATUS: + power_supply_changed(ecbat->bat_psy); + break; + } + + return NOTIFY_OK; +} + +static int yoga_c630_psy_probe(struct auxiliary_device *adev, + const struct auxiliary_device_id *id) +{ + struct yoga_c630_ec *ec = adev->dev.platform_data; + struct power_supply_config adp_cfg = {}; + struct device *dev = &adev->dev; + struct yoga_c630_psy *ecbat; + int ret; + + ecbat = devm_kzalloc(&adev->dev, sizeof(*ecbat), GFP_KERNEL); + if (!ecbat) + return -ENOMEM; + + ecbat->ec = ec; + ecbat->dev = dev; + mutex_init(&ecbat->lock); + ecbat->fwnode = adev->dev.parent->fwnode; + ecbat->nb.notifier_call = yoga_c630_psy_notify; + + auxiliary_set_drvdata(adev, ecbat); + + adp_cfg.drv_data = ecbat; + adp_cfg.fwnode = ecbat->fwnode; + adp_cfg.supplied_to = (char **)&yoga_c630_psy_bat_psy_desc_mA.name; + adp_cfg.num_supplicants = 1; + ecbat->adp_psy = devm_power_supply_register_no_ws(dev, &yoga_c630_psy_adpt_psy_desc, &adp_cfg); + if (IS_ERR(ecbat->adp_psy)) { + dev_err(dev, "failed to register AC adapter supply\n"); + return PTR_ERR(ecbat->adp_psy); + } + + scoped_guard(mutex, &ecbat->lock) { + ret = yoga_c630_psy_update_bat_info(ecbat); + if (ret) + goto err_unreg_bat; + + ret = yoga_c630_psy_register_bat_psy(ecbat); + if (ret) + goto err_unreg_bat; + } + + ret = yoga_c630_ec_register_notify(ecbat->ec, &ecbat->nb); + if (ret) + goto err_unreg_bat; + + return 0; + +err_unreg_bat: + power_supply_unregister(ecbat->bat_psy); + return ret; +} + +static void yoga_c630_psy_remove(struct auxiliary_device *adev) +{ + struct yoga_c630_psy *ecbat = auxiliary_get_drvdata(adev); + + yoga_c630_ec_unregister_notify(ecbat->ec, &ecbat->nb); + power_supply_unregister(ecbat->bat_psy); +} + +static const struct auxiliary_device_id yoga_c630_psy_id_table[] = { + { .name = YOGA_C630_MOD_NAME "." YOGA_C630_DEV_PSY, }, + {} +}; +MODULE_DEVICE_TABLE(auxiliary, yoga_c630_psy_id_table); + +static struct auxiliary_driver yoga_c630_psy_driver = { + .name = YOGA_C630_DEV_PSY, + .id_table = yoga_c630_psy_id_table, + .probe = yoga_c630_psy_probe, + .remove = yoga_c630_psy_remove, +}; + +module_auxiliary_driver(yoga_c630_psy_driver); + +MODULE_DESCRIPTION("Lenovo Yoga C630 psy"); +MODULE_LICENSE("GPL"); From patchwork Wed Jun 12 09:59:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 804508 Received: from mail-lf1-f52.google.com (mail-lf1-f52.google.com [209.85.167.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B357B16EBF8 for ; Wed, 12 Jun 2024 09:59:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.52 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718186384; cv=none; b=Pj2npTU+XtZtwMIGB8FZAv6ZiuYhzC9x+veTumjZZc88ZUpnWUYvxxZ1snBxzbeU5e+if/3lMTGAvMQ4TJ4sxUQ6j+uW1qqgS2XV5GhloiG2lwEYJa0NCEwmDB4EHA6El7v2d08tfMyu7dIZXUvWWzs8fxkhe/Rn6ijZE8/OFoM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718186384; c=relaxed/simple; bh=D7uOWa4uDmtjSwf30b3ABIP8kdvr21SmZRUP7Dp4FOI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ZJDrfJ078mJ0eOfj4E1mMtOhg0KRfAnptecDp7XDFz2MVyGwqsA3deKFq+eiG0JKEeZBC2d3+R4fjLqOBuHqjtAuIkUGzNGxkISwVcDj0QwZ9R5n3+KCdvzACTR8UEPLi+/XdPQXwAJPg/tpGmyTjWerl6gb5ZxhW8Xw+5ixuKE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=YY3r+vbX; arc=none smtp.client-ip=209.85.167.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="YY3r+vbX" Received: by mail-lf1-f52.google.com with SMTP id 2adb3069b0e04-52c7f7fdd24so2621949e87.1 for ; Wed, 12 Jun 2024 02:59:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1718186379; x=1718791179; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=pbxciSj28k5Q0p0UZvIK+bmv47cyvDnbr4Z/LAPTdSA=; b=YY3r+vbXfC/Y9tf1niSqtVV0/3OIcMZhU6SmrZ2DUMyPrElUKoVeLyjY4pKLeeap2y /9kEYkHGCf1WwBYTb2XpSOamIzY5rV/IN2GQZJqVZqxR6xv94w+Q7AGaMOcuHqlgKFA7 /3T0gMQWJDamYP4FJhlxBspox7+EUWx3YQBKi7WTjf5fpPhgvFuxSijedHgZxAY2G9Ay /C4KCYn11sfyASLBLPjvJvVjdn+tcNKKEB8g9WfY4QUt+a6YpZktkUVkt/6O+Y4X9DT0 fHqUQkcmV2NJBtyVNHFx4V+zmRXiJy0+Ak6Q+H9XPt+H4R2hrDN3gUxVNa1q8zl8/fSZ 6AfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718186379; x=1718791179; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=pbxciSj28k5Q0p0UZvIK+bmv47cyvDnbr4Z/LAPTdSA=; b=cdhpp2cX0ajz4LuzwkFlcx9RpHODvkvtGyTQU4pyeYlp00Oc0YajrSBW+b5VTHxLnp m2kxoLkWqByI9ycVfJOCZIKUBb9M0iUAG8kVwsBaQwFsgyOH6/2mxACfSETy4cyzFXDE UGqrOkCAbQDoOvnbe4fz88YxczVhi6WTFbrTwEVrgQGuCsuXs1QVC+SJIW4mdYRq9gga PlZHjlPBjZyYtpAKxnc1vs+6SD15+vVTwIeY3zQhBzm/TNAcxJpB9Wwcw6JpINSHTWqL UD3kOiArtzqcqh0R+89dE84pT4Jrvm7V2x56N9S4OMwjpAJIbJvypTiHjL1xtnkfJS/v P3sg== X-Forwarded-Encrypted: i=1; AJvYcCXe+gZ4s+Qso/+gUsSdNdIseFwIHHKy8w6G22E6IVuseupBv6OrvT8mX8/lmdizfGG3+v5B3Tpm0nLZgMHQA/8k3Ud6kd/XIj3M X-Gm-Message-State: AOJu0YzzW6lPp8RTE4DCAbv8hyOdiDfweaf0Qsw/gqfwBYMBiX87mKGz EHVHRHoeJBaH4GMbEEIfIjqjrWtWt8NRYxKclLyStAxaF+FOz+IVy0CL0MJeG+E= X-Google-Smtp-Source: AGHT+IGUI7ZvsPCAH6It2x7kbWRHWUG4+wkOTpCQNz1t6NvaP/51Vx/SEMUet2s6JbBXdCB0wJkuWw== X-Received: by 2002:a05:6512:48c6:b0:52c:8050:6f19 with SMTP id 2adb3069b0e04-52c9a405e3cmr744956e87.60.1718186378791; Wed, 12 Jun 2024 02:59:38 -0700 (PDT) Received: from umbar.lan ([192.130.178.91]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-52c8907dae9sm1408095e87.129.2024.06.12.02.59.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Jun 2024 02:59:38 -0700 (PDT) From: Dmitry Baryshkov Date: Wed, 12 Jun 2024 12:59:36 +0300 Subject: [PATCH v6 5/6] arm64: dts: qcom: sdm845: describe connections of USB/DP port Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240612-yoga-ec-driver-v6-5-8e76ba060439@linaro.org> References: <20240612-yoga-ec-driver-v6-0-8e76ba060439@linaro.org> In-Reply-To: <20240612-yoga-ec-driver-v6-0-8e76ba060439@linaro.org> To: Sebastian Reichel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , Bryan O'Donoghue , Heikki Krogerus , Greg Kroah-Hartman , Konrad Dybcio Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, Nikita Travkin X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1967; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=D7uOWa4uDmtjSwf30b3ABIP8kdvr21SmZRUP7Dp4FOI=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBmaXGGc7P4fHzcaQPT5coScEFYPOsIwqMDo1vug ZyBzPFUb6CJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCZmlxhgAKCRCLPIo+Aiko 1dp4CAChpYYB0Dn6m5M4lVLAbzOSVD8fIzavlY6uPQ60E2Ibf4v2h6fimoQIbqT33YjjJ6G2Ilx 9+WaFciLOuIl2OExCw9xAa+wLodOFssGHIwPyduinYilbm3+yIYjo+87Fmdnbvab+Bpf+zpm1Mj VHIOxTu85t1BttTOBvCFRHCo21wBRaCXdghRvd2HY0yDDNS9gDkXhYqS6MZEjk3e5W23lZEH5sV LCF71QCao3VNID7GqvWx9edsIWl7OR8p6JEGPae43yjD0RV+YZWv88QH/BjDK8t/ZRJXCcWI8QG r79uKtqRVJK11By5K5Wy2KZ3ZLSOPmoNNM1lC2XLNRKiH2FB X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A Describe links between the first USB3 host and the DisplayPort that is routed to the same pins. Reviewed-by: Bryan O'Donoghue Signed-off-by: Dmitry Baryshkov --- arch/arm64/boot/dts/qcom/sdm845.dtsi | 53 +++++++++++++++++++++++++++++++++++- 1 file changed, 52 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi index a0125f3d92b2..23b101bb3842 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -4031,6 +4031,35 @@ usb_1_qmpphy: phy@88e8000 { #clock-cells = <1>; #phy-cells = <1>; + orientation-switch; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + usb_1_qmpphy_out: endpoint { + }; + }; + + port@1 { + reg = <1>; + + usb_1_qmpphy_usb_ss_in: endpoint { + remote-endpoint = <&usb_1_dwc3_ss>; + }; + }; + + port@2 { + reg = <2>; + + usb_1_qmpphy_dp_in: endpoint { + remote-endpoint = <&dp_out>; + }; + }; + }; }; usb_2_qmpphy: phy@88eb000 { @@ -4111,6 +4140,26 @@ usb_1_dwc3: usb@a600000 { snps,dis_enblslpm_quirk; phys = <&usb_1_hsphy>, <&usb_1_qmpphy QMP_USB43DP_USB3_PHY>; phy-names = "usb2-phy", "usb3-phy"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + usb_1_dwc3_hs: endpoint { + }; + }; + + port@1 { + reg = <1>; + + usb_1_dwc3_ss: endpoint { + remote-endpoint = <&usb_1_qmpphy_usb_ss_in>; + }; + }; + }; }; }; @@ -4601,7 +4650,9 @@ dp_in: endpoint { port@1 { reg = <1>; - dp_out: endpoint { }; + dp_out: endpoint { + remote-endpoint = <&usb_1_qmpphy_dp_in>; + }; }; }; From patchwork Wed Jun 12 09:59:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 803833 Received: from mail-lf1-f45.google.com (mail-lf1-f45.google.com [209.85.167.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6AEF316EC0A for ; Wed, 12 Jun 2024 09:59:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.45 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718186384; cv=none; b=JHVOuQbm4PuUBQmvJDOWEOCfiwOlD2AdWTgaZgV0cwj9M+SUziMizFvw0rvAKLPyAQoZBJlymYMXZAlzydALl5uoYiSKn6xX5cbDD2okBETiWSsXQx/ZE1QG9vWmgvDQRXXDchl/d6tvM8oJtLUqY0CVKBgIQcB5xx/YHzF2ucY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718186384; c=relaxed/simple; bh=ohK2sslGjClxr9kCmY/gW62DMEkgvC5Tz6xsCMKB8Kw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=C6IYWUOgEB89spHWNXzkxxqDmeNG5WwPYukxuNu6wReDdwJDPf7bI0QVahG6mRFbDRo+SFOQtIJf1sYZYAY+EfX0MpWevEhRyQk3D8Sj/46qpHbmFuU8h6dks9T+Rs0hvCijudD3Gw0IL8NTxClVChCsi9UYlJ/YmAkvmz+oXbM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=WLn6Pj7P; arc=none smtp.client-ip=209.85.167.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="WLn6Pj7P" Received: by mail-lf1-f45.google.com with SMTP id 2adb3069b0e04-52c7f7fdd24so2621959e87.1 for ; Wed, 12 Jun 2024 02:59:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1718186379; x=1718791179; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=o+nA/cIlT4hl2if/i6DmrZViDpHELl0xAbf5HX+dSsg=; b=WLn6Pj7Piq+4cztdivf0ukLwjmPqMkfsDfsto44sg8iXKOzIu5SiqrhpCeaYXPRo/R uNA5r7LY3E5d7nXUvBXkcF0YRpgMRxiW6iGhg1jwrf6akDCBJoG4XtILeyd91ce3ies2 mkFqcWjtZSAsNj5xB5zobPbcgyKaCjRj6BcoJV9nPfAxa4SzZLlHNCl/hETbesD0rMIa GlEyKOJB/bsQESlQU8kTXJnkEW6qbI5U8UfPwUUBTEJnNJWZ8s4aDCkPxwm6b9lXJDds hkN+q5gAXOkS7/IUjvtu7+67EKtnPAcZiN0FeAp6RgKLoWVexYzPkxouHJN7hHktxC6z 2IsA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718186379; x=1718791179; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=o+nA/cIlT4hl2if/i6DmrZViDpHELl0xAbf5HX+dSsg=; b=TYG9575M1nKOU8nFofyFmntUuZguVT44KQiV0m0ATaBV8IJE+WfIccWHNpYcGagPpa RAjhQop9cqLYSZAop4Dtf8v56j2lnkIowifgThI88lN+/8MGkeu7n9b1PHFlwbMGY2Mk xtH6bc91qsuQQMcDNND4eFnhEWaQU2lIEWWAytTJGpaRdtaHDKnbfmFPtfRlYOncuB8R qW5KWcg7uCU9kULgOe2YF1docnyMOCOG4+kZPxNPQgnWS4tBPZPVKtvU008F7QVE1+VV C0aIpc9zqiTO3F4FWaXcuN+hsp9Ws1/dkdhxHzKkFzZwouuC6G+vi6zoo+a7ZIN8wsgo hp4Q== X-Forwarded-Encrypted: i=1; AJvYcCWCgHbWIWKVrDjfw4iwu3vSU1dBnJ/SWEdPOwjg2cNhRHFUZ7hXYaA6GNBVNzwSnEuTgvwLN6O2cSZa2qxTpIw0+Uq/vQ49d0TF X-Gm-Message-State: AOJu0Yz+IBDU8Y+/nr/U0J85LaUQ/8AEqrQ1RDH+2tC3p1eBfRwgFSps X+vBLrTlXKvKuBoWcs5K1glTqxz4Mg/uXYONg8nglMJhIj6l9yL28ca1+bXUY7U= X-Google-Smtp-Source: AGHT+IHTcT4mC0Nzbmc6b1H/FZNG20WBWcPGniAAoVbeRpccp8ESJqfGnnzabTmdUSfmS01JMG2n0A== X-Received: by 2002:ac2:5304:0:b0:52c:5925:fc9e with SMTP id 2adb3069b0e04-52c9a3c90a9mr711130e87.25.1718186379504; Wed, 12 Jun 2024 02:59:39 -0700 (PDT) Received: from umbar.lan ([192.130.178.91]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-52c8907dae9sm1408095e87.129.2024.06.12.02.59.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Jun 2024 02:59:39 -0700 (PDT) From: Dmitry Baryshkov Date: Wed, 12 Jun 2024 12:59:37 +0300 Subject: [PATCH v6 6/6] arm64: dts: qcom: c630: Add Embedded Controller node Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240612-yoga-ec-driver-v6-6-8e76ba060439@linaro.org> References: <20240612-yoga-ec-driver-v6-0-8e76ba060439@linaro.org> In-Reply-To: <20240612-yoga-ec-driver-v6-0-8e76ba060439@linaro.org> To: Sebastian Reichel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , Bryan O'Donoghue , Heikki Krogerus , Greg Kroah-Hartman , Konrad Dybcio Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, Nikita Travkin X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2519; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=ve9c78TTAFS5VXzgVyLUhE7e1KCToRb1yljm5NLcL8s=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBmaXGGOk/65ERYG8sCrkBZ6uTW6sRyP3LfmRj1l 6y9bUFbLayJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCZmlxhgAKCRCLPIo+Aiko 1dCvB/9LQGrfkJ/u4aLp75/Zx6a+cXAeCvOCANx8w5dfCHL5TokODXa5I6kDdMLBOR37znLJgqr aT9z6ceGWbOk93tw7e1g59lHc+8Mw5QRkxl4NUPCFd3n+sx7Xs7YqyL9RhMY7zld2zsnh75EzmR u9yd9Mopfkxb56v33Dy6yLVZZjs3nFyV0m6AZW+wJ1wAwsJG/YQlFiPa1O01ZGrlQ1nRFDfQPnr 2/PsADEFy5fmazZTtIVvKRMqdNoyn2DktsqfcSi0/xPI50LXPPLrveZFjnTdXDtyHC4TWvSgb5C /Ww4kB3AeLhoN1yGDBXzkwLqYmzOFKhZgCq7ppu4YnZvwmNt X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A From: Bjorn Andersson The Embedded Controller in the Lenovo Yoga C630 is accessible on &i2c1 and provides battery and adapter status, as well as altmode notifications for the second USB Type-C port. Add a definition for the EC. Signed-off-by: Bjorn Andersson Signed-off-by: Dmitry Baryshkov --- .../boot/dts/qcom/sdm850-lenovo-yoga-c630.dts | 75 ++++++++++++++++++++++ 1 file changed, 75 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts index 8402ea2d93a7..f18050848cd8 100644 --- a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts +++ b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts @@ -370,6 +370,66 @@ zap-shader { &i2c1 { status = "okay"; clock-frequency = <400000>; + + embedded-controller@70 { + compatible = "lenovo,yoga-c630-ec"; + reg = <0x70>; + + interrupts-extended = <&tlmm 20 IRQ_TYPE_LEVEL_HIGH>; + + pinctrl-names = "default"; + pinctrl-0 = <&ec_int_state>; + + #address-cells = <1>; + #size-cells = <0>; + + connector@0 { + compatible = "usb-c-connector"; + reg = <0>; + power-role = "dual"; + data-role = "host"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + ucsi0_hs_in: endpoint { + remote-endpoint = <&usb_1_dwc3_hs>; + }; + }; + + port@1 { + reg = <1>; + + ucsi0_ss_in: endpoint { + remote-endpoint = <&usb_1_qmpphy_out>; + }; + }; + + port@2 { + reg = <2>; + + ucsi0_sbu: endpoint { + }; + }; + }; + }; + + connector@1 { + compatible = "usb-c-connector"; + reg = <1>; + power-role = "dual"; + data-role = "host"; + + /* + * connected to the onboard USB hub, orientation is + * handled by the controller + */ + }; + }; }; &i2c3 { @@ -695,6 +755,13 @@ mode_pin_active: mode-pin-state { bias-disable; }; + + ec_int_state: ec-int-state { + pins = "gpio20"; + function = "gpio"; + + bias-disable; + }; }; &uart6 { @@ -742,6 +809,10 @@ &usb_1_dwc3 { dr_mode = "host"; }; +&usb_1_dwc3_hs { + remote-endpoint = <&ucsi0_hs_in>; +}; + &usb_1_hsphy { status = "okay"; @@ -762,6 +833,10 @@ &usb_1_qmpphy { vdda-pll-supply = <&vdda_usb1_ss_core>; }; +&usb_1_qmpphy_out { + remote-endpoint = <&ucsi0_ss_in>; +}; + &usb_2 { status = "okay"; };