From bb03ffb96c72418d06e75c7b74ea62e04c78d322 Mon Sep 17 00:00:00 2001 From: Todd Broch Date: Wed, 20 May 2015 11:31:28 +0200 Subject: [PATCH] mfd: cros_ec: Instantiate sub-devices from device tree If the EC device tree node has sub-nodes, try to instantiate them as MFD sub-devices. We can configure the EC features provided by the board. Signed-off-by: Todd Broch Signed-off-by: Javier Martinez Canillas Reviewed-by: Gwendal Grignou Tested-by: Heiko Stuebner Signed-off-by: Lee Jones --- drivers/mfd/cros_ec.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/mfd/cros_ec.c b/drivers/mfd/cros_ec.c index c4aecc6f..1574a93 100644 --- a/drivers/mfd/cros_ec.c +++ b/drivers/mfd/cros_ec.c @@ -17,6 +17,7 @@ * battery charging and regulator control, firmware update. */ +#include #include #include #include @@ -109,18 +110,8 @@ EXPORT_SYMBOL(cros_ec_cmd_xfer); static const struct mfd_cell cros_devs[] = { { - .name = "cros-ec-keyb", - .id = 1, - .of_compatible = "google,cros-ec-keyb", - }, - { - .name = "cros-ec-i2c-tunnel", - .id = 2, - .of_compatible = "google,cros-ec-i2c-tunnel", - }, - { .name = "cros-ec-ctl", - .id = 3, + .id = PLATFORM_DEVID_AUTO, }, }; @@ -150,6 +141,15 @@ int cros_ec_register(struct cros_ec_device *ec_dev) return err; } + if (IS_ENABLED(CONFIG_OF) && dev->of_node) { + err = of_platform_populate(dev->of_node, NULL, NULL, dev); + if (err) { + mfd_remove_devices(dev); + dev_err(dev, "Failed to register sub-devices\n"); + return err; + } + } + dev_info(dev, "Chrome EC device registered\n"); return 0; -- 2.7.4