From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751912AbeFBKMn (ORCPT ); Sat, 2 Jun 2018 06:12:43 -0400 Received: from mail-wm0-f68.google.com ([74.125.82.68]:39119 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751538AbeFBKMW (ORCPT ); Sat, 2 Jun 2018 06:12:22 -0400 X-Google-Smtp-Source: ADUXVKJ8pZtmXZVM8a2lbubw55XTaBx3gFRlRBQP8Hot6X1ZPNQfxcgW9VGuId/7daZE09SJmXSfNw== From: Marek Vasut X-Google-Original-From: Marek Vasut To: linux-kernel@vger.kernel.org Cc: Marek Vasut , Geert Uytterhoeven , Lee Jones , Mark Brown , Steve Twiss , Wolfram Sang , linux-renesas-soc@vger.kernel.org Subject: [PATCH v3 06/10] mfd: da9063: Add custom regmap for DA9063L Date: Sat, 2 Jun 2018 12:11:51 +0200 Message-Id: <20180602101155.26375-6-marek.vasut+renesas@gmail.com> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180602101155.26375-1-marek.vasut+renesas@gmail.com> References: <20180602101155.26375-1-marek.vasut+renesas@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org While the datasheet for DA9063L (2v1, 23-Mar-2017) lists the RTC register block, the DA9063L does not have an RTC. Add custom regmap for DA9063L to prevent access into that register block. Signed-off-by: Marek Vasut Cc: Geert Uytterhoeven Cc: Lee Jones Cc: Mark Brown Cc: Steve Twiss Cc: Wolfram Sang Cc: linux-renesas-soc@vger.kernel.org --- V3: New patch --- drivers/mfd/da9063-i2c.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) diff --git a/drivers/mfd/da9063-i2c.c b/drivers/mfd/da9063-i2c.c index 048ce55ebc5b..f0d92a37df6b 100644 --- a/drivers/mfd/da9063-i2c.c +++ b/drivers/mfd/da9063-i2c.c @@ -208,6 +208,93 @@ static const struct regmap_access_table da9063_bb_volatile_table = { .n_yes_ranges = ARRAY_SIZE(da9063_bb_volatile_ranges), }; +static const struct regmap_range da9063l_bb_readable_ranges[] = { + { + .range_min = DA9063_REG_PAGE_CON, + .range_max = DA9063_REG_MON_A10_RES, + }, { + .range_min = DA9063_REG_SEQ, + .range_max = DA9063_REG_ID_32_31, + }, { + .range_min = DA9063_REG_SEQ_A, + .range_max = DA9063_REG_AUTO3_LOW, + }, { + .range_min = DA9063_REG_T_OFFSET, + .range_max = DA9063_BB_REG_GP_ID_19, + }, { + .range_min = DA9063_REG_CHIP_ID, + .range_max = DA9063_REG_CHIP_VARIANT, + }, +}; + +static const struct regmap_range da9063l_bb_writeable_ranges[] = { + { + .range_min = DA9063_REG_PAGE_CON, + .range_max = DA9063_REG_PAGE_CON, + }, { + .range_min = DA9063_REG_FAULT_LOG, + .range_max = DA9063_REG_VSYS_MON, + }, { + .range_min = DA9063_REG_SEQ, + .range_max = DA9063_REG_ID_32_31, + }, { + .range_min = DA9063_REG_SEQ_A, + .range_max = DA9063_REG_AUTO3_LOW, + }, { + .range_min = DA9063_REG_CONFIG_I, + .range_max = DA9063_BB_REG_MON_REG_4, + }, { + .range_min = DA9063_BB_REG_GP_ID_0, + .range_max = DA9063_BB_REG_GP_ID_19, + }, +}; + +static const struct regmap_range da9063l_bb_volatile_ranges[] = { + { + .range_min = DA9063_REG_PAGE_CON, + .range_max = DA9063_REG_EVENT_D, + }, { + .range_min = DA9063_REG_CONTROL_A, + .range_max = DA9063_REG_CONTROL_B, + }, { + .range_min = DA9063_REG_CONTROL_E, + .range_max = DA9063_REG_CONTROL_F, + }, { + .range_min = DA9063_REG_BCORE2_CONT, + .range_max = DA9063_REG_LDO11_CONT, + }, { + .range_min = DA9063_REG_DVC_1, + .range_max = DA9063_REG_ADC_MAN, + }, { + .range_min = DA9063_REG_ADC_RES_L, + .range_max = DA9063_REG_MON_A10_RES, + }, { + .range_min = DA9063_REG_SEQ, + .range_max = DA9063_REG_SEQ, + }, { + .range_min = DA9063_REG_EN_32K, + .range_max = DA9063_REG_EN_32K, + }, { + .range_min = DA9063_BB_REG_MON_REG_5, + .range_max = DA9063_BB_REG_MON_REG_6, + }, +}; + +static const struct regmap_access_table da9063l_bb_readable_table = { + .yes_ranges = da9063l_bb_readable_ranges, + .n_yes_ranges = ARRAY_SIZE(da9063l_bb_readable_ranges), +}; + +static const struct regmap_access_table da9063l_bb_writeable_table = { + .yes_ranges = da9063l_bb_writeable_ranges, + .n_yes_ranges = ARRAY_SIZE(da9063l_bb_writeable_ranges), +}; + +static const struct regmap_access_table da9063l_bb_volatile_table = { + .yes_ranges = da9063l_bb_volatile_ranges, + .n_yes_ranges = ARRAY_SIZE(da9063l_bb_volatile_ranges), +}; + static const struct regmap_range_cfg da9063_range_cfg[] = { { .range_min = DA9063_REG_PAGE_CON, @@ -254,6 +341,10 @@ static int da9063_i2c_probe(struct i2c_client *i2c, da9063_regmap_config.rd_table = &da9063_ad_readable_table; da9063_regmap_config.wr_table = &da9063_ad_writeable_table; da9063_regmap_config.volatile_table = &da9063_ad_volatile_table; + } else if (da9063->type == PMIC_TYPE_DA9063L) { + da9063_regmap_config.rd_table = &da9063l_bb_readable_table; + da9063_regmap_config.wr_table = &da9063l_bb_writeable_table; + da9063_regmap_config.volatile_table = &da9063l_bb_volatile_table; } else { da9063_regmap_config.rd_table = &da9063_bb_readable_table; da9063_regmap_config.wr_table = &da9063_bb_writeable_table; -- 2.16.2