From patchwork Fri Dec 10 18:26:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxim Kochetkov X-Patchwork-Id: 523776 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 64ED6C433EF for ; Fri, 10 Dec 2021 18:26:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245312AbhLJS36 (ORCPT ); Fri, 10 Dec 2021 13:29:58 -0500 Received: from fallback19.mail.ru ([185.5.136.251]:48374 "EHLO fallback19.mail.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235195AbhLJS36 (ORCPT ); Fri, 10 Dec 2021 13:29:58 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=inbox.ru; s=mail3; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:From:Subject:Content-Type:Content-Transfer-Encoding:To:Cc; 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Received: by smtpng1.m.smailru.net with esmtpa (envelope-from ) id 1mvkb5-0005jP-Ou; Fri, 10 Dec 2021 21:26:20 +0300 From: Maxim Kochetkov To: linux-i2c@vger.kernel.org Cc: bgolaszewski@baylibre.com, brgl@bgdev.pl, arnd@arndb.de, gregkh@linuxfoundation.org, Maxim Kochetkov Subject: [PATCH v3 1/2] eeprom: at24: Add support for 24c1025 EEPROM Date: Fri, 10 Dec 2021 21:26:03 +0300 Message-Id: <20211210182604.14288-2-fido_max@inbox.ru> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20211210182604.14288-1-fido_max@inbox.ru> References: <20211210182604.14288-1-fido_max@inbox.ru> MIME-Version: 1.0 X-7564579A: 646B95376F6C166E X-77F55803: 4F1203BC0FB41BD9FFF274446F725B74A0A66A77131E9218A37C9B025F167FE8182A05F5380850403A6C28BE3DC80E7299EEF5E3B074F4ECC058511B15E9469C0177F1BC297A6BFB X-7FA49CB5: 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 X-C1DE0DAB: C20DE7B7AB408E4181F030C43753B8186998911F362727C414F749A5E30D975C644EC96CB38521141895462A15166711AB6708766FA16C519C2B6934AE262D3EE7EAB7254005DCED7532B743992DF240BDC6A1CF3F042BAD6DF99611D93F60EFA50BD5087FBFCDAA699F904B3F4130E343918A1A30D5E7FCCB5012B2E24CD356 X-C8649E89: 4E36BF7865823D7055A7F0CF078B5EC49A30900B95165D343FB425EC7F4D4A4BD3BD509C35396103E416C336EA0C4FE5289203F299C4E20889E7E1CC018B11181D7E09C32AA3244C554AAB5C87FC67FDD4043F68ED31304F8A6D4CC6FBFAC2518D5DD81C2BAB7D1D X-D57D3AED: 3ZO7eAau8CL7WIMRKs4sN3D3tLDjz0dLbV79QFUyzQ2Ujvy7cMT6pYYqY16iZVKkSc3dCLJ7zSJH7+u4VD18S7Vl4ZUrpaVfd2+vE6kuoey4m4VkSEu530nj6fImhcD4MUrOEAnl0W826KZ9Q+tr5ycPtXkTV4k65bRjmOUUP8cvGozZ33TWg5HZplvhhXbhDGzqmQDTd6OAevLeAnq3Ra9uf7zvY2zzsIhlcp/Y7m53TZgf2aB4JOg4gkr2biojAtZOFKWMnjDNSLv5LF+T3Q== X-Mailru-Sender: 689FA8AB762F7393C37E3C1AEC41BA5D506F1E94B0305C865D4EA428D9A0CC4298CC072019C18A892CA7F8C7C9492E1F2F5E575105D0B01ADBE2EF17B331888EEAB4BC95F72C04283CDA0F3B3F5B9367 X-Mras: Ok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eAau8CL7WIMRKs4sN3D3tLDjz0dLbV79QFUyzQ2Ujvy7cMT6pYYqY16iZVKkSc3dCLJ7zSJH7+u4VD18S7Vl4ZUrpaVfd2+vE6kuoey4m4VkSEu530nj6fImhcD4MUrOEAnl0W826KZ9Q+tr5ycPtXkTV4k65bRjmOUUP8cvGozZ33TWg5HZplvhhXbhDGzqmQDTd6OAevLeAnq3Ra9uf7zvY2zzsIhlcp/Y7m53TZgf2aB4JOg4gkr2biojAtZOFKWMnjCT3UHS/d+U4g== X-Mailru-MI: 800 X-Mras: Ok Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Microchip EEPROM 24xx1025 is like a 24c1024. The only difference between them is that the I2C address bit used to select between the two banks is bit 2 for the 1025 and not bit 0 as in the 1024. Signed-off-by: Maxim Kochetkov --- drivers/misc/eeprom/at24.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 4d91c71c42cd..633e1cf08d6e 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -91,6 +91,7 @@ struct at24_data { * Some chips tie up multiple I2C addresses; dummy devices reserve * them for us. */ + u8 bank_addr_shift; struct regmap *client_regmaps[]; }; @@ -118,6 +119,7 @@ MODULE_PARM_DESC(at24_write_timeout, "Time (in ms) to try writes (default 25)"); struct at24_chip_data { u32 byte_len; u8 flags; + u8 bank_addr_shift; void (*read_post)(unsigned int off, char *buf, size_t count); }; @@ -132,6 +134,12 @@ struct at24_chip_data { .read_post = _read_post, \ } +#define AT24_CHIP_DATA_BS(_name, _len, _flags, _bank_addr_shift) \ + static const struct at24_chip_data _name = { \ + .byte_len = _len, .flags = _flags, \ + .bank_addr_shift = _bank_addr_shift \ + } + static void at24_read_post_vaio(unsigned int off, char *buf, size_t count) { int i; @@ -192,6 +200,7 @@ 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_BS(at24_data_24c1025, 1048576 / 8, AT24_FLAG_ADDR16, 2); AT24_CHIP_DATA(at24_data_24c2048, 2097152 / 8, AT24_FLAG_ADDR16); /* identical to 24c08 ? */ AT24_CHIP_DATA(at24_data_INT3499, 8192 / 8, 0); @@ -220,6 +229,7 @@ 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 }, + { "24c1025", (kernel_ulong_t)&at24_data_24c1025 }, { "24c2048", (kernel_ulong_t)&at24_data_24c2048 }, { "at24", 0 }, { /* END OF LIST */ } @@ -249,6 +259,7 @@ 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,24c1025", .data = &at24_data_24c1025 }, { .compatible = "atmel,24c2048", .data = &at24_data_24c2048 }, { /* END OF LIST */ }, }; @@ -533,7 +544,8 @@ static int at24_make_dummy_client(struct at24_data *at24, unsigned int index, dummy_client = devm_i2c_new_dummy_device(&base_client->dev, base_client->adapter, - base_client->addr + index); + base_client->addr + + (index << at24->bank_addr_shift)); if (IS_ERR(dummy_client)) return PTR_ERR(dummy_client); @@ -674,6 +686,7 @@ static int at24_probe(struct i2c_client *client) at24->page_size = page_size; at24->flags = flags; at24->read_post = cdata->read_post; + at24->bank_addr_shift = cdata->bank_addr_shift; at24->num_addresses = num_addresses; at24->offset_adj = at24_get_offset_adj(flags, byte_len); at24->client_regmaps[0] = regmap; From patchwork Fri Dec 10 18:26:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxim Kochetkov X-Patchwork-Id: 522903 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 E5205C433EF for ; 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Fri, 10 Dec 2021 21:26:23 +0300 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=inbox.ru; s=mail4; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:From:Subject:Content-Type:Content-Transfer-Encoding:To:Cc; bh=2TZZnhwlS7tgFmbbzJSs0twXAp/bB+HmkSUr2X7cEgc=; t=1639160782;x=1639766182; b=iOfjaDpyZsI/+thhh43Fg6GLQ2NRhala7UuP6kp+kqAqKKLO9oIpDz25X0xON+QTUtcPZoz7hN5FbM5+p5WfEgEnpWPi9St4YXpY8di4e/25t4CnbbyIN8+V526mN9//CHOEXi1K0YG5MDcVdNraetdg068AJiW81i/ZZ8inUIS1LlZiahU7s1diPKVtgmvjFUYw6SkDtZHxDU+fJp9EtBuBupedskeCT78iJ0qjFUeznK+Q2m5ANFMJB64E5gvNpPqedtkevdeRE5Z/1OY01LzIKPNKU5odm4BURivsjk2UqnQT3NlL6Pvt80n+nNqAaw7yRlhSd8BJ22/3vnsMuA==; Received: by smtpng1.m.smailru.net with esmtpa (envelope-from ) id 1mvkb7-0005jP-8C; Fri, 10 Dec 2021 21:26:21 +0300 From: Maxim Kochetkov To: linux-i2c@vger.kernel.org Cc: bgolaszewski@baylibre.com, brgl@bgdev.pl, arnd@arndb.de, gregkh@linuxfoundation.org, Maxim Kochetkov Subject: [PATCH v3 2/2] dt-bindings: at24: add at24c1025 Date: Fri, 10 Dec 2021 21:26:04 +0300 Message-Id: <20211210182604.14288-3-fido_max@inbox.ru> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20211210182604.14288-1-fido_max@inbox.ru> References: <20211210182604.14288-1-fido_max@inbox.ru> MIME-Version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eAau8CL7WIMRKs4sN3D3tLDjz0dLbV79QFUyzQ2Ujvy7cMT6pYYqY16iZVKkSc3dCLJ7zSJH7+u4VD18S7Vl4ZUrpaVfd2+vE6kuoey4m4VkSEu530nj6fImhcD4MUrOEAnl0W826KZ9Q+tr5ycPtXkTV4k65bRjmOUUP8cvGozZ33TWg5HZplvhhXbhDGzqmQDTd6OAevLeAnq3Ra9uf7zvY2zzsIhlcp/Y7m53TZgf2aB4JOg4gkr2biojAtZOFKWMnjCT3UHS/d+U4g== X-Mailru-Sender: 689FA8AB762F7393C37E3C1AEC41BA5D90A9724417585EB190E418A09B11946D98CC072019C18A892CA7F8C7C9492E1F2F5E575105D0B01ADBE2EF17B331888EEAB4BC95F72C04283CDA0F3B3F5B9367 X-Mras: Ok X-7564579A: 646B95376F6C166E X-77F55803: 6242723A09DB00B4C456381A22064F8E4D2CF43611C06B13D5DA8B3B79AAEE56049FFFDB7839CE9E13D5095B00E522FD33ADE12670D6326F230EAEB31948DB195AD7736A32C9B3BD X-7FA49CB5: 0D63561A33F958A5BCFB5F7048D672DF664D188BA3883047E4234E66B3932FF3CACD7DF95DA8FC8BD5E8D9A59859A8B66EFF71F1B3C06F72CC7F00164DA146DAFE8445B8C89999728AA50765F79006378E5B25976F539216389733CBF5DBD5E9C8A9BA7A39EFB766F5D81C698A659EA7CC7F00164DA146DA9985D098DBDEAEC8C824672CB62AFFF2F6B57BC7E6449061A352F6E88A58FB86F5D81C698A659EA775ECD9A6C639B01B78DA827A17800CE79E9721B410A3B6ED731C566533BA786AA5CC5B56E945C8DA X-C1DE0DAB: C20DE7B7AB408E4181F030C43753B8186998911F362727C414F749A5E30D975C644EC96CB3852114E57AAA8DAA6A5AC5411096548B1E64979C2B6934AE262D3EE7EAB7254005DCED8DA55E71E02F9FC08E8E86DC7131B365E7726E8460B7C23C X-D57D3AED: 3ZO7eAau8CL7WIMRKs4sN3D3tLDjz0dLbV79QFUyzQ2Ujvy7cMT6pYYqY16iZVKkSc3dCLJ7zSJH7+u4VD18S7Vl4ZUrpaVfd2+vE6kuoey4m4VkSEu530nj6fImhcD4MUrOEAnl0W826KZ9Q+tr5ycPtXkTV4k65bRjmOUUP8cvGozZ33TWg5HZplvhhXbhDGzqmQDTd6OAevLeAnq3Ra9uf7zvY2zzsIhlcp/Y7m53TZgf2aB4JOg4gkr2biojAtZOFKWMnjAcpe/zsANphQ== X-Mailru-MI: 800 X-Mras: Ok Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Add bindings for Microchip EEPROM 24xx1025. Signed-off-by: Maxim Kochetkov --- Documentation/devicetree/bindings/eeprom/at24.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/eeprom/at24.yaml b/Documentation/devicetree/bindings/eeprom/at24.yaml index 4c5396a9744f..c16199997716 100644 --- a/Documentation/devicetree/bindings/eeprom/at24.yaml +++ b/Documentation/devicetree/bindings/eeprom/at24.yaml @@ -86,6 +86,10 @@ properties: pattern: c1024$ - items: pattern: cs1024$ + - items: + pattern: c1025$ + - items: + pattern: cs1025$ - items: pattern: c2048$ - items: