mfd: simple-mfd-i2c: Add MAX77705 support

Add MAX77705 support - fuel gauge and hwmon devices.
Hwmon provides charger input and system bus measurements.

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250123-starqltechn_integration_upstream-v17-4-8b06685b6612@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>

diff --git a/drivers/mfd/simple-mfd-i2c.c b/drivers/mfd/simple-mfd-i2c.c
index 6eda79533208a349e9f49ddcb0f2f8fedb1d8b79..22159913bea034a41388de7b324dcb2c0ed18467 100644 (file)
--- a/drivers/mfd/simple-mfd-i2c.c
+++ b/drivers/mfd/simple-mfd-i2c.c
@@ -83,11 +83,22 @@ static const struct simple_mfd_data maxim_max5970 = {
        .mfd_cell_size = ARRAY_SIZE(max5970_cells),
 };
 
+static const struct mfd_cell max77705_sensor_cells[] = {
+       { .name = "max77705-battery" },
+       { .name = "max77705-hwmon", },
+};
+
+static const struct simple_mfd_data maxim_mon_max77705 = {
+       .mfd_cell = max77705_sensor_cells,
+       .mfd_cell_size = ARRAY_SIZE(max77705_sensor_cells),
+};
+
 static const struct of_device_id simple_mfd_i2c_of_match[] = {
        { .compatible = "kontron,sl28cpld" },
        { .compatible = "silergy,sy7636a", .data = &silergy_sy7636a},
        { .compatible = "maxim,max5970", .data = &maxim_max5970},
        { .compatible = "maxim,max5978", .data = &maxim_max5970},
+       { .compatible = "maxim,max77705-battery", .data = &maxim_mon_max77705},
        {}
 };
 MODULE_DEVICE_TABLE(of, simple_mfd_i2c_of_match);