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platform/x86: mlx-platform: Add regmap structure for the next generation systems 

Use separated regamp structures for old and next generation systems.
Next generation systems don’t require write protection removing.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Vadim Pasternak 2019-06-23 12:16:26 +00:00 committed by Andy Shevchenko
parent d66656262a
commit a7ff2f99eb
1 changed files with 20 additions and 0 deletions
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20
drivers/platform/x86/mlx-platform.c
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@ -1710,6 +1710,11 @@ static const struct reg_default mlxplat_mlxcpld_regmap_default[] = {
{ MLXPLAT_CPLD_LPC_REG_WD_CLEAR_WP_OFFSET, 0x00 },
};
static const struct reg_default mlxplat_mlxcpld_regmap_ng[] = {
{ MLXPLAT_CPLD_LPC_REG_PWM_CONTROL_OFFSET, 0x00 },
{ MLXPLAT_CPLD_LPC_REG_WD_CLEAR_WP_OFFSET, 0x00 },
};
struct mlxplat_mlxcpld_regmap_context {
void __iomem *base;
};
@ -1748,6 +1753,20 @@ static const struct regmap_config mlxplat_mlxcpld_regmap_config = {
.reg_write = mlxplat_mlxcpld_reg_write,
};
static const struct regmap_config mlxplat_mlxcpld_regmap_config_ng = {
.reg_bits = 8,
.val_bits = 8,
.max_register = 255,
.cache_type = REGCACHE_FLAT,
.writeable_reg = mlxplat_mlxcpld_writeable_reg,
.readable_reg = mlxplat_mlxcpld_readable_reg,
.volatile_reg = mlxplat_mlxcpld_volatile_reg,
.reg_defaults = mlxplat_mlxcpld_regmap_ng,
.num_reg_defaults = ARRAY_SIZE(mlxplat_mlxcpld_regmap_ng),
.reg_read = mlxplat_mlxcpld_reg_read,
.reg_write = mlxplat_mlxcpld_reg_write,
};
static struct resource mlxplat_mlxcpld_resources[] = {
[0] = DEFINE_RES_IRQ_NAMED(17, "mlxreg-hotplug"),
};
@ -1856,6 +1875,7 @@ static int __init mlxplat_dmi_qmb7xx_matched(const struct dmi_system_id *dmi)
for (i = 0; i < ARRAY_SIZE(mlxplat_mlxcpld_wd_set_type2); i++)
mlxplat_wd_data[i] = &mlxplat_mlxcpld_wd_set_type2[i];
mlxplat_i2c = &mlxplat_mlxcpld_i2c_ng_data;
mlxplat_regmap_config = &mlxplat_mlxcpld_regmap_config_ng;
return 1;
};