Hi,
On Fri, Oct 06, 2017 at 01:08:07PM +0800, Phil Reid wrote:
> This adds the required definitions for the mcp23018 which is the i2c
> variant of the mcp23s18.
>
> Signed-off-by: Phil Reid <preid@xxxxxxxxxxxxxxxxx>
> ---
Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx>
-- Sebastian
> drivers/pinctrl/pinctrl-mcp23s08.c | 15 ++++++++++++++-
> 1 file changed, 14 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/pinctrl/pinctrl-mcp23s08.c b/drivers/pinctrl/pinctrl-mcp23s08.c
> index 3e40d42..8d356df 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
>
> @@ -837,6 +838,13 @@ 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 +891,7 @@ 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 +972,10 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev,
> .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 +1025,7 @@ 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);
> --
> 1.8.3.1
>
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