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>

diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-platform.c
index 57b1268a3b9c2a62d7251f4814d8dc360ab5ead9..b166fe100935e5ae9ab4bd5eb8befd497aa5c04a 100644 (file)
--- a/drivers/platform/x86/mlx-platform.c
+++ b/drivers/platform/x86/mlx-platform.c
@@ -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;
 };