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    Subject[PATCH v3 06/10] mfd: da9063: Add custom regmap for DA9063L
    Date
    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 <marek.vasut+renesas@gmail.com>
    Cc: Geert Uytterhoeven <geert+renesas@glider.be>
    Cc: Lee Jones <lee.jones@linaro.org>
    Cc: Mark Brown <broonie@kernel.org>
    Cc: Steve Twiss <stwiss.opensource@diasemi.com>
    Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>
    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
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