From patchwork Wed Oct 31 20:49:27 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adrian Bunk X-Patchwork-Id: 991701 X-Patchwork-Delegate: bartekgola@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 42lgSB2VmXz9sDP for ; Thu, 1 Nov 2018 07:49:30 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729835AbeKAFtK (ORCPT ); Thu, 1 Nov 2018 01:49:10 -0400 Received: from mail.stusta.mhn.de ([141.84.69.5]:36368 "EHLO mail.stusta.mhn.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726167AbeKAFtK (ORCPT ); Thu, 1 Nov 2018 01:49:10 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) by mail.stusta.mhn.de (Postfix) with ESMTPSA id 42lgS56xrSz3v; Wed, 31 Oct 2018 21:49:25 +0100 (CET) From: Adrian Bunk To: Rob Herring , Mark Rutland , Bartosz Golaszewski , linux-i2c@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v3] eeprom: at24: Add 24c2048 Date: Wed, 31 Oct 2018 22:49:27 +0200 Message-Id: <20181031204927.3801-1-bunk@kernel.org> X-Mailer: git-send-email 2.11.0 Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Works with an ST M24M02. Signed-off-by: Adrian Bunk --- Documentation/devicetree/bindings/eeprom/at24.txt | 1 + drivers/misc/eeprom/Kconfig | 2 +- drivers/misc/eeprom/at24.c | 3 +++ 3 files changed, 5 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/eeprom/at24.txt b/Documentation/devicetree/bindings/eeprom/at24.txt index aededdbc262b..f9a7c984274c 100644 --- a/Documentation/devicetree/bindings/eeprom/at24.txt +++ b/Documentation/devicetree/bindings/eeprom/at24.txt @@ -27,6 +27,7 @@ Required properties: "atmel,24c256", "atmel,24c512", "atmel,24c1024", + "atmel,24c2048", If is not "atmel", then a fallback must be used with the same and "atmel" as manufacturer. diff --git a/drivers/misc/eeprom/Kconfig b/drivers/misc/eeprom/Kconfig index 68a1ac929917..d382b13c27dd 100644 --- a/drivers/misc/eeprom/Kconfig +++ b/drivers/misc/eeprom/Kconfig @@ -13,7 +13,7 @@ config EEPROM_AT24 ones like at24c64, 24lc02 or fm24c04: 24c00, 24c01, 24c02, spd (readonly 24c02), 24c04, 24c08, - 24c16, 24c32, 24c64, 24c128, 24c256, 24c512, 24c1024 + 24c16, 24c32, 24c64, 24c128, 24c256, 24c512, 24c1024, 24c2048 Unless you like data loss puzzles, always be sure that any chip you configure as a 24c32 (32 kbit) or larger is NOT really a diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 7e50e1d6f58c..94836fcbe721 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -173,6 +173,7 @@ AT24_CHIP_DATA(at24_data_24c128, 131072 / 8, AT24_FLAG_ADDR16); AT24_CHIP_DATA(at24_data_24c256, 262144 / 8, AT24_FLAG_ADDR16); AT24_CHIP_DATA(at24_data_24c512, 524288 / 8, AT24_FLAG_ADDR16); AT24_CHIP_DATA(at24_data_24c1024, 1048576 / 8, AT24_FLAG_ADDR16); +AT24_CHIP_DATA(at24_data_24c2048, 2097152 / 8, AT24_FLAG_ADDR16); /* identical to 24c08 ? */ AT24_CHIP_DATA(at24_data_INT3499, 8192 / 8, 0); @@ -199,6 +200,7 @@ static const struct i2c_device_id at24_ids[] = { { "24c256", (kernel_ulong_t)&at24_data_24c256 }, { "24c512", (kernel_ulong_t)&at24_data_24c512 }, { "24c1024", (kernel_ulong_t)&at24_data_24c1024 }, + { "24c2048", (kernel_ulong_t)&at24_data_24c2048 }, { "at24", 0 }, { /* END OF LIST */ } }; @@ -227,6 +229,7 @@ static const struct of_device_id at24_of_match[] = { { .compatible = "atmel,24c256", .data = &at24_data_24c256 }, { .compatible = "atmel,24c512", .data = &at24_data_24c512 }, { .compatible = "atmel,24c1024", .data = &at24_data_24c1024 }, + { .compatible = "atmel,24c2048", .data = &at24_data_24c2048 }, { /* END OF LIST */ }, }; MODULE_DEVICE_TABLE(of, at24_of_match);