diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-mcp23s08.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-mcp23s08.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/pinctrl/pinctrl-mcp23s08.c b/drivers/pinctrl/pinctrl-mcp23s08.c index db19a2f2f575..0aef30ead5dc 100644 --- a/drivers/pinctrl/pinctrl-mcp23s08.c +++ b/drivers/pinctrl/pinctrl-mcp23s08.c @@ -25,6 +25,7 @@ #define MCP_TYPE_008 2 #define MCP_TYPE_017 3 #define MCP_TYPE_S18 4 +#define MCP_TYPE_018 5 #define MCP_MAX_DEV_PER_CS 8 @@ -278,8 +279,7 @@ static int mcp_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, { struct mcp23s08 *mcp = pinctrl_dev_get_drvdata(pctldev); enum pin_config_param param; - u32 arg, mask; - u16 val; + u32 arg; int ret = 0; int i; @@ -289,8 +289,6 @@ static int mcp_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, switch (param) { case PIN_CONFIG_BIAS_PULL_UP: - val = arg ? 0xFFFF : 0x0000; - mask = BIT(pin); ret = mcp_set_bit(mcp, MCP_GPPU, pin, arg); break; default: @@ -837,6 +835,13 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev, mcp->chip.ngpio = 16; mcp->chip.label = "mcp23017"; break; + + case MCP_TYPE_018: + mcp->regmap = devm_regmap_init_i2c(data, &mcp23x17_regmap); + mcp->reg_shift = 1; + mcp->chip.ngpio = 16; + mcp->chip.label = "mcp23018"; + break; #endif /* CONFIG_I2C */ default: @@ -883,7 +888,7 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev, if (mirror) status |= IOCON_MIRROR | (IOCON_MIRROR << 8); - if (type == MCP_TYPE_S18) + if (type == MCP_TYPE_S18 || type == MCP_TYPE_018) status |= IOCON_INTCC | (IOCON_INTCC << 8); ret = mcp_write(mcp, MCP_IOCON, status); @@ -964,6 +969,10 @@ static const struct of_device_id mcp23s08_i2c_of_match[] = { .compatible = "microchip,mcp23017", .data = (void *) MCP_TYPE_017, }, + { + .compatible = "microchip,mcp23018", + .data = (void *) MCP_TYPE_018, + }, /* NOTE: The use of the mcp prefix is deprecated and will be removed. */ { .compatible = "mcp,mcp23008", @@ -1013,6 +1022,7 @@ static int mcp230xx_probe(struct i2c_client *client, static const struct i2c_device_id mcp230xx_id[] = { { "mcp23008", MCP_TYPE_008 }, { "mcp23017", MCP_TYPE_017 }, + { "mcp23018", MCP_TYPE_018 }, { }, }; MODULE_DEVICE_TABLE(i2c, mcp230xx_id); |