[PATCH v2 3/7] gpio: mcp23s08: add support for mcp23018
From: Phil Reid <hidden>
Date: 2017-10-06 05:08:07
Also in:
linux-gpio
Subsystem:
pin control subsystem, the rest · Maintainers:
Linus Walleij, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2017-10-19 · Re: [PATCH v2 3/7] gpio: mcp23s08: add support for mcp23018 · Linus Walleij <hidden>
- 2017-10-19 · Re: [PATCH v2 3/7] gpio: mcp23s08: add support for mcp23018 · Phil Reid <hidden>
- 2017-10-08 · Re: [PATCH v2 3/7] gpio: mcp23s08: add support for mcp23018 · Sebastian Reichel <hidden>
This adds the required definitions for the mcp23018 which is the i2c variant of the mcp23s18. Signed-off-by: Phil Reid <preid-qgqNFa1JUf/o2iN0hyhwsIdd74u8MsAO@public.gmane.org> --- 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
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html