From patchwork Tue Apr 16 05:39:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kate Hsuan X-Patchwork-Id: 789681 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ED1B23B78D for ; Tue, 16 Apr 2024 05:39:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713245991; cv=none; b=Za4kGBCxuiYsAz8hqos35FpcZsbXNonhwCuF4/FsRXg/vL7/d69BZlxWQaFT2m1hmd0X86NKQllu5zefFo/1O8mNGujWpOdbesFIEGMx00zY/iRzJHs3QZxdUEA4Ogkosypa9qS7SosPKE25lRDxjTZJWvSTwF16spbyt+ufKiE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713245991; c=relaxed/simple; bh=Nku8TS1wMiFLplVVxpdO3JkSes4YA0gaL2IquRgtu/M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=J78TvjITuv7IL370cSy9QuRFGkPl6pZESLbBGzanRgtB5djUeBwm1jVkyioCd4tYoBCk+vChLEHEcA71YTG2h35a778b0WBetjBEWR/b+8GFUk30DZS+OMSb4AtLH2Sj6sA8GvsLAF6VhbHwDhTJNSehKCRKvDq19nXnGcwun84= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=UDi5ZzDi; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="UDi5ZzDi" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1713245988; 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=0PPjH5ogqqD10NyBQ3gLfVf4axP6G/LJix2SPW5Xsxo=; b=UDi5ZzDinfUIsDF/sOfIVF0PJMroy9NgzNYdLibBBQ8YBKZkAsOmX6cFKMK3s9LC957K+W DCe1EZR3dwLG6JfcVaGaQqPGSD5483dktELdlK/+lLU8wBV3Fv1VojdCh2m2V3Qa8TPeyL TrE9CgTT14yL4XoHn7WoC0gHwSRiSgA= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-466-1X0Gv_-hOau6Wqr_aXJ1Fw-1; Tue, 16 Apr 2024 01:39:43 -0400 X-MC-Unique: 1X0Gv_-hOau6Wqr_aXJ1Fw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 02F683803916; Tue, 16 Apr 2024 05:39:43 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.39.192.2]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4970C51EF; Tue, 16 Apr 2024 05:39:36 +0000 (UTC) From: Kate Hsuan To: Pavel Machek , Lee Jones , linux-leds@vger.kernel.org, platform-driver-x86@vger.kernel.org, Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , =?utf-8?q?A?= =?utf-8?q?ndr=C3=A9_Apitzsch?= , linux-kernel@vger.kernel.org, Andy Shevchenko , Sebastian Reichel , linux-pm@vger.kernel.org Cc: Kate Hsuan Subject: [PATCH v6 1/5] platform: x86-android-tablets: other: Add swnode for Xiaomi pad2 indicator LED Date: Tue, 16 Apr 2024 13:39:05 +0800 Message-ID: <20240416053909.256319-2-hpa@redhat.com> In-Reply-To: <20240416053909.256319-1-hpa@redhat.com> References: <20240416053909.256319-1-hpa@redhat.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.5 KTD2026 LED controller manages the indicator LED for Xiaomi pad2. The ACPI for it is not properly made so the kernel can't get a correct description. This work adds a description for this RGB LED controller and also sets a trigger to indicate the changing event (bq27520-0-charging). When it is charging, the indicator LED will be turned on. Signed-off-by: Kate Hsuan --- .../platform/x86/x86-android-tablets/other.c | 82 +++++++++++++++++++ .../x86/x86-android-tablets/shared-psy-info.h | 2 + 2 files changed, 84 insertions(+) diff --git a/drivers/platform/x86/x86-android-tablets/other.c b/drivers/platform/x86/x86-android-tablets/other.c index bc6bbf7ec6ea..c77d56454f2d 100644 --- a/drivers/platform/x86/x86-android-tablets/other.c +++ b/drivers/platform/x86/x86-android-tablets/other.c @@ -13,6 +13,8 @@ #include #include +#include + #include "shared-psy-info.h" #include "x86-android-tablets.h" @@ -593,6 +595,83 @@ const struct x86_dev_info whitelabel_tm800a550l_info __initconst = { .gpiod_lookup_tables = whitelabel_tm800a550l_gpios, }; +/* + * The fwnode for ktd2026 on Xaomi pad2. It composed of a RGB LED node + * with three subnodes for each color. The RGB LED node is named + * "multi-led" to align with the name in the device tree. + */ + +/* main fwnode for ktd2026 */ +static const struct software_node ktd2026_node = { + .name = "ktd2026" +}; + +static const struct property_entry ktd2026_rgb_led_props[] = { + PROPERTY_ENTRY_U32("reg", 0), + PROPERTY_ENTRY_U32("color", LED_COLOR_ID_RGB), + PROPERTY_ENTRY_STRING("function", "indicator"), + PROPERTY_ENTRY_STRING("linux,default-trigger", "bq27520-0-charging"), + { } +}; + +static const struct software_node ktd2026_rgb_led_node = { + .name = "multi-led", + .properties = ktd2026_rgb_led_props, + .parent = &ktd2026_node, +}; + +static const struct property_entry ktd2026_blue_led_props[] = { + PROPERTY_ENTRY_U32("reg", 0), + PROPERTY_ENTRY_U32("color", LED_COLOR_ID_BLUE), + { } +}; + +static const struct software_node ktd2026_blue_led_node = { + .properties = ktd2026_blue_led_props, + .parent = &ktd2026_rgb_led_node, +}; + +static const struct property_entry ktd2026_green_led_props[] = { + PROPERTY_ENTRY_U32("reg", 1), + PROPERTY_ENTRY_U32("color", LED_COLOR_ID_GREEN), + { } +}; + +static const struct software_node ktd2026_green_led_node = { + .properties = ktd2026_green_led_props, + .parent = &ktd2026_rgb_led_node, +}; + +static const struct property_entry ktd2026_red_led_props[] = { + PROPERTY_ENTRY_U32("reg", 2), + PROPERTY_ENTRY_U32("color", LED_COLOR_ID_RED), + { } +}; + +static const struct software_node ktd2026_red_led_node = { + .properties = ktd2026_red_led_props, + .parent = &ktd2026_rgb_led_node, +}; + +static const struct software_node *ktd2026_node_group[] = { + &ktd2026_node, + &ktd2026_rgb_led_node, + &ktd2026_green_led_node, + &ktd2026_blue_led_node, + &ktd2026_red_led_node, + NULL +}; + +static int __init xiaomi_mipad2_init(void) +{ + return software_node_register_node_group(ktd2026_node_group); +} + +static void xiaomi_mipad2_exit(void) +{ + software_node_unregister_node_group(ktd2026_node_group); +} + /* * If the EFI bootloader is not Xiaomi's own signed Android loader, then the * Xiaomi Mi Pad 2 X86 tablet sets OSID in the DSDT to 1 (Windows), causing @@ -616,6 +695,7 @@ static const struct x86_i2c_client_info xiaomi_mipad2_i2c_clients[] __initconst .type = "ktd2026", .addr = 0x30, .dev_name = "ktd2026", + .swnode = &ktd2026_node, }, .adapter_path = "\\_SB_.PCI0.I2C3", }, @@ -624,4 +704,6 @@ static const struct x86_i2c_client_info xiaomi_mipad2_i2c_clients[] __initconst const struct x86_dev_info xiaomi_mipad2_info __initconst = { .i2c_client_info = xiaomi_mipad2_i2c_clients, .i2c_client_count = ARRAY_SIZE(xiaomi_mipad2_i2c_clients), + .init = xiaomi_mipad2_init, + .exit = xiaomi_mipad2_exit, }; diff --git a/drivers/platform/x86/x86-android-tablets/shared-psy-info.h b/drivers/platform/x86/x86-android-tablets/shared-psy-info.h index c2d2968cddc2..8c33ec47ee12 100644 --- a/drivers/platform/x86/x86-android-tablets/shared-psy-info.h +++ b/drivers/platform/x86/x86-android-tablets/shared-psy-info.h @@ -29,4 +29,6 @@ extern const char * const bq24190_modules[]; extern const struct platform_device_info int3496_pdevs[]; extern struct gpiod_lookup_table int3496_reference_gpios; +extern const struct software_node ktd2026_leds_node; + #endif From patchwork Tue Apr 16 05:39:07 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kate Hsuan X-Patchwork-Id: 789680 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9E5D23BB27 for ; 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Tue, 16 Apr 2024 01:40:01 -0400 X-MC-Unique: JBKYJeYDNgq3y42L4_wN0w-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E32163C000B2; Tue, 16 Apr 2024 05:40:00 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.39.192.2]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2B15551EF; Tue, 16 Apr 2024 05:39:54 +0000 (UTC) From: Kate Hsuan To: Pavel Machek , Lee Jones , linux-leds@vger.kernel.org, platform-driver-x86@vger.kernel.org, Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , =?utf-8?q?A?= =?utf-8?q?ndr=C3=A9_Apitzsch?= , linux-kernel@vger.kernel.org, Andy Shevchenko , Sebastian Reichel , linux-pm@vger.kernel.org Cc: Kate Hsuan Subject: [PATCH v6 3/5] leds: rgb: leds-ktd202x: I2C ID tables for KTD2026 and 2027 Date: Tue, 16 Apr 2024 13:39:07 +0800 Message-ID: <20240416053909.256319-4-hpa@redhat.com> In-Reply-To: <20240416053909.256319-1-hpa@redhat.com> References: <20240416053909.256319-1-hpa@redhat.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.5 This table shows the maximum support LED channel for KTD2026 and KTD-2027. The 3-channel LED controller KTD2026 controls R/G/B three LEDs. The 4-channel LED controller KTD2027 controls R/G/B and a flashing LEDs. Link: https://www.kinet-ic.com/uploads/KTD2026-7-04h.pdf Signed-off-by: Kate Hsuan --- drivers/leds/rgb/leds-ktd202x.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/leds/rgb/leds-ktd202x.c b/drivers/leds/rgb/leds-ktd202x.c index 8d0ed1a95a9f..2c47b0405961 100644 --- a/drivers/leds/rgb/leds-ktd202x.c +++ b/drivers/leds/rgb/leds-ktd202x.c @@ -609,6 +609,13 @@ static void ktd202x_shutdown(struct i2c_client *client) regmap_write(chip->regmap, KTD202X_REG_RESET_CONTROL, KTD202X_RSTR_RESET); } +static const struct i2c_device_id ktd202x_id[] = { + {"ktd2026", KTD2026_NUM_LEDS}, + {"ktd2027", KTD2027_NUM_LEDS}, + {} +}; +MODULE_DEVICE_TABLE(i2c, ktd202x_id); + static const struct of_device_id ktd202x_match_table[] = { { .compatible = "kinetic,ktd2026", .data = (void *)KTD2026_NUM_LEDS }, { .compatible = "kinetic,ktd2027", .data = (void *)KTD2027_NUM_LEDS }, @@ -623,7 +630,8 @@ static struct i2c_driver ktd202x_driver = { }, .probe = ktd202x_probe, .remove = ktd202x_remove, - .shutdown = ktd202x_shutdown + .shutdown = ktd202x_shutdown, + .id_table = ktd202x_id }; 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Tue, 16 Apr 2024 05:40:11 +0000 (UTC) From: Kate Hsuan To: Pavel Machek , Lee Jones , linux-leds@vger.kernel.org, platform-driver-x86@vger.kernel.org, Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , =?utf-8?q?A?= =?utf-8?q?ndr=C3=A9_Apitzsch?= , linux-kernel@vger.kernel.org, Andy Shevchenko , Sebastian Reichel , linux-pm@vger.kernel.org Cc: Kate Hsuan Subject: [PATCH v6 5/5] platform: x86-android-tablets: others: Set the LED trigger to charging_orange_full_green for Xiaomi pad2 Date: Tue, 16 Apr 2024 13:39:09 +0800 Message-ID: <20240416053909.256319-6-hpa@redhat.com> In-Reply-To: <20240416053909.256319-1-hpa@redhat.com> References: <20240416053909.256319-1-hpa@redhat.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.5 Set the default trigger to bq27520-0-charging-orange-full-green. The LED will show orange when the battery is charging. The LED will show green when the battery status is full. Signed-off-by: Kate Hsuan --- drivers/platform/x86/x86-android-tablets/other.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/x86/x86-android-tablets/other.c b/drivers/platform/x86/x86-android-tablets/other.c index c77d56454f2d..52032a874b7f 100644 --- a/drivers/platform/x86/x86-android-tablets/other.c +++ b/drivers/platform/x86/x86-android-tablets/other.c @@ -610,7 +610,7 @@ static const struct property_entry ktd2026_rgb_led_props[] = { PROPERTY_ENTRY_U32("reg", 0), PROPERTY_ENTRY_U32("color", LED_COLOR_ID_RGB), PROPERTY_ENTRY_STRING("function", "indicator"), - PROPERTY_ENTRY_STRING("linux,default-trigger", "bq27520-0-charging"), + PROPERTY_ENTRY_STRING("linux,default-trigger", "bq27520-0-charging-orange-full-green"), { } };