From mboxrd@z Thu Jan 1 00:00:00 1970 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 61183C433EF for ; Tue, 16 Nov 2021 01:16:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 297B960F6E for ; Tue, 16 Nov 2021 01:16:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378988AbhKPBSS (ORCPT ); Mon, 15 Nov 2021 20:18:18 -0500 Received: from mail.kernel.org ([198.145.29.99]:44598 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245146AbhKOTTe (ORCPT ); Mon, 15 Nov 2021 14:19:34 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id E285561B95; Mon, 15 Nov 2021 18:29:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1637000956; bh=fZyoex3Xh9SqjGK4bzXXvL+Yb+kn2e8dDp1t2zGQWag=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zR+kUM+Tmm8mt6YJpl2+5k4jS9UfDuLK8jgPIwYti2wJw/RKmmMhd5VOL+cz4jbm8 viZExMaOoOCGIin8XyMf6VnzyXLnoF0oqXc5iHt296EmIetuszp9iUOoEdKE81C4ox +seEVZfyoOWiGMfDjJ1+6i7SyKO53xHFBp3Bgr5w= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jack Andersen , =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= , Lee Jones Subject: [PATCH 5.14 814/849] mfd: dln2: Add cell for initializing DLN2 ADC Date: Mon, 15 Nov 2021 18:04:57 +0100 Message-Id: <20211115165447.779771707@linuxfoundation.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211115165419.961798833@linuxfoundation.org> References: <20211115165419.961798833@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jack Andersen commit 313c84b5ae4104e48c661d5d706f9f4c425fd50f upstream. This patch extends the DLN2 driver; adding cell for adc_dln2 module. The original patch[1] fell through the cracks when the driver was added so ADC has never actually been usable. That patch did not have ACPI support which was added in v5.9, so the oldest supported version this current patch can be backported to is 5.10. [1] https://www.spinics.net/lists/linux-iio/msg33975.html Cc: # 5.10+ Signed-off-by: Jack Andersen Signed-off-by: Noralf Trønnes Signed-off-by: Lee Jones Link: https://lore.kernel.org/r/20211018112541.25466-1-noralf@tronnes.org Signed-off-by: Greg Kroah-Hartman --- drivers/mfd/dln2.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) --- a/drivers/mfd/dln2.c +++ b/drivers/mfd/dln2.c @@ -50,6 +50,7 @@ enum dln2_handle { DLN2_HANDLE_GPIO, DLN2_HANDLE_I2C, DLN2_HANDLE_SPI, + DLN2_HANDLE_ADC, DLN2_HANDLES }; @@ -653,6 +654,7 @@ enum { DLN2_ACPI_MATCH_GPIO = 0, DLN2_ACPI_MATCH_I2C = 1, DLN2_ACPI_MATCH_SPI = 2, + DLN2_ACPI_MATCH_ADC = 3, }; static struct dln2_platform_data dln2_pdata_gpio = { @@ -683,6 +685,16 @@ static struct mfd_cell_acpi_match dln2_a .adr = DLN2_ACPI_MATCH_SPI, }; +/* Only one ADC port supported */ +static struct dln2_platform_data dln2_pdata_adc = { + .handle = DLN2_HANDLE_ADC, + .port = 0, +}; + +static struct mfd_cell_acpi_match dln2_acpi_match_adc = { + .adr = DLN2_ACPI_MATCH_ADC, +}; + static const struct mfd_cell dln2_devs[] = { { .name = "dln2-gpio", @@ -702,6 +714,12 @@ static const struct mfd_cell dln2_devs[] .platform_data = &dln2_pdata_spi, .pdata_size = sizeof(struct dln2_platform_data), }, + { + .name = "dln2-adc", + .acpi_match = &dln2_acpi_match_adc, + .platform_data = &dln2_pdata_adc, + .pdata_size = sizeof(struct dln2_platform_data), + }, }; static void dln2_stop(struct dln2_dev *dln2)