@@ -74,6 +74,10 @@ static const struct mfd_cell cros_ec_cec_cells[] = {
{ .name = "cros-ec-cec", },
};
+static const struct mfd_cell cros_ec_gpio_cells[] = {
+ { .name = "cros-ec-gpio", },
+};
+
static const struct mfd_cell cros_ec_rtc_cells[] = {
{ .name = "cros-ec-rtc", },
};
@@ -97,6 +101,11 @@ static const struct cros_feature_to_cells cros_subdevices[] = {
.mfd_cells = cros_ec_cec_cells,
.num_cells = ARRAY_SIZE(cros_ec_cec_cells),
},
+ {
+ .id = EC_FEATURE_GPIO,
+ .mfd_cells = cros_ec_gpio_cells,
+ .num_cells = ARRAY_SIZE(cros_ec_gpio_cells),
+ },
{
.id = EC_FEATURE_RTC,
.mfd_cells = cros_ec_rtc_cells,
The ChromeOS embedded controller (EC) supports setting the state of GPIOs when the system is unlocked, and getting the state of GPIOs in all cases. Check for the feature support by checking for the GPIO feature and then populate a sub-device for the gpio hardware on the EC. Cc: Lee Jones <lee@kernel.org> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Bartosz Golaszewski <brgl@bgdev.pl> Cc: Benson Leung <bleung@chromium.org> Cc: Guenter Roeck <groeck@chromium.org> Cc: <chrome-platform@lists.linux.dev> Cc: Pin-yen Lin <treapking@chromium.org> Signed-off-by: Stephen Boyd <swboyd@chromium.org> --- drivers/mfd/cros_ec_dev.c | 9 +++++++++ 1 file changed, 9 insertions(+)