From patchwork Wed Jan 25 11:12:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 646792 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2C7B3C54E94 for ; Wed, 25 Jan 2023 11:13:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235099AbjAYLNF (ORCPT ); Wed, 25 Jan 2023 06:13:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37538 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235065AbjAYLNE (ORCPT ); Wed, 25 Jan 2023 06:13:04 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1433DB440 for ; Wed, 25 Jan 2023 03:12:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1674645135; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=DOl1m1HFXn8I+P7oipOH/M6PtyVOhAsybTyQvS3IQa0=; b=hrx8EAgjQxbVTYkU7RKHlACXhcRCzHtCEkhLyTKO5ciPQTevTdLCtAzhp9YGDPORYtr74d LjBnHKqnBcVQGOc1Nk1nLh1+nXPgMMITRL8aIRdxIEJbWLgJXJAiCoL54e81Ik3vG0yeZ5 AjsfKgiFqhHKM4Fzl+NDm0W4Wfxkx8s= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-441-P8cFXvnKNL2UkGn9gtARlg-1; Wed, 25 Jan 2023 06:12:13 -0500 X-MC-Unique: P8cFXvnKNL2UkGn9gtARlg-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 2F06718E0920; Wed, 25 Jan 2023 11:12:13 +0000 (UTC) Received: from shalem.redhat.com (unknown [10.39.193.104]) by smtp.corp.redhat.com (Postfix) with ESMTP id 37DBD2026D4B; Wed, 25 Jan 2023 11:12:12 +0000 (UTC) From: Hans de Goede To: Wolfram Sang , MyungJoo Ham , Chanwoo Choi Cc: Hans de Goede , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH resend 1/2] i2c: cht-wc: Add charger-chip info for the Lenovo Yoga Tab 3 YT3-X90F Date: Wed, 25 Jan 2023 12:12:08 +0100 Message-Id: <20230125111209.18343-2-hdegoede@redhat.com> In-Reply-To: <20230125111209.18343-1-hdegoede@redhat.com> References: <20230125111209.18343-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org On x86 devices with a CHT Whiskey Cove PMIC the driver for the I2C bus coming from the PMIC is responsible for instantiating the i2c_client for the charger chip. Add the necessary i2c_board_info for this. Acked-by: Wolfram Sang Signed-off-by: Hans de Goede --- drivers/i2c/busses/i2c-cht-wc.c | 46 +++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/drivers/i2c/busses/i2c-cht-wc.c b/drivers/i2c/busses/i2c-cht-wc.c index 190abdc46dd3..2b2c3d090089 100644 --- a/drivers/i2c/busses/i2c-cht-wc.c +++ b/drivers/i2c/busses/i2c-cht-wc.c @@ -380,6 +380,49 @@ static struct i2c_board_info lenovo_yogabook1_board_info = { .platform_data = &bq2589x_pdata, }; +/********** Lenovo Yogabook YT3-X90F charger settings **********/ +static const char * const lenovo_yt3_bq25892_1_suppliers[] = { "cht_wcove_pwrsrc" }; + +/* + * bq25892 charger settings for the round li-ion cells in the hinge, + * this is the main / biggest battery. + */ +static const struct property_entry lenovo_yt3_bq25892_1_props[] = { + PROPERTY_ENTRY_STRING_ARRAY("supplied-from", lenovo_yt3_bq25892_1_suppliers), + PROPERTY_ENTRY_STRING("linux,secondary-charger-name", "bq25890-charger-0"), + PROPERTY_ENTRY_U32("linux,iinlim-percentage", 60), + PROPERTY_ENTRY_U32("linux,pump-express-vbus-max", 12000000), + PROPERTY_ENTRY_BOOL("linux,skip-reset"), + /* + * The firmware sets everything to the defaults, leading to a low(ish) + * charge-current and battery-voltage of 2048mA resp 4.2V. Use the + * Android values instead of "linux,read-back-settings" to fix this. + */ + PROPERTY_ENTRY_U32("ti,charge-current", 3072000), + PROPERTY_ENTRY_U32("ti,battery-regulation-voltage", 4352000), + PROPERTY_ENTRY_U32("ti,termination-current", 128000), + PROPERTY_ENTRY_U32("ti,precharge-current", 128000), + PROPERTY_ENTRY_U32("ti,minimum-sys-voltage", 3700000), + PROPERTY_ENTRY_BOOL("ti,use-ilim-pin"), + /* Set 5V boost current-limit to 1.2A (MAX/POR values are 2.45A/1.4A) */ + PROPERTY_ENTRY_U32("ti,boost-voltage", 4998000), + PROPERTY_ENTRY_U32("ti,boost-max-current", 1200000), + { } +}; + +static const struct software_node lenovo_yt3_bq25892_1_node = { + .properties = lenovo_yt3_bq25892_1_props, +}; + +/* bq25892 charger for the round li-ion cells in the hinge */ +static struct i2c_board_info lenovo_yoga_tab3_board_info = { + .type = "bq25892", + .addr = 0x6b, + .dev_name = "bq25892_1", + .swnode = &lenovo_yt3_bq25892_1_node, + .platform_data = &bq2589x_pdata, +}; + static int cht_wc_i2c_adap_i2c_probe(struct platform_device *pdev) { struct intel_soc_pmic *pmic = dev_get_drvdata(pdev->dev.parent); @@ -459,6 +502,9 @@ static int cht_wc_i2c_adap_i2c_probe(struct platform_device *pdev) case INTEL_CHT_WC_LENOVO_YOGABOOK1: board_info = &lenovo_yogabook1_board_info; break; + case INTEL_CHT_WC_LENOVO_YT3_X90: + board_info = &lenovo_yoga_tab3_board_info; + break; default: dev_warn(&pdev->dev, "Unknown model, not instantiating charger device\n"); break;