cros_ec: Convert to support live tree
Convert this driver to support the live device tree and remove the old
fdtdec support.
The keyboard is not yet converted.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/misc/cros_ec_sandbox.c b/drivers/misc/cros_ec_sandbox.c
index 848c67b..c96e26e 100644
--- a/drivers/misc/cros_ec_sandbox.c
+++ b/drivers/misc/cros_ec_sandbox.c
@@ -188,18 +188,16 @@
* RR=Row CC=Column KKKK=Key Code
*
* @param ec Current emulated EC state
- * @param blob Device tree blob containing keyscan information
* @param node Keyboard node of device tree containing keyscan information
* @return 0 if ok, -1 on error
*/
-static int keyscan_read_fdt_matrix(struct ec_state *ec, const void *blob,
- int node)
+static int keyscan_read_fdt_matrix(struct ec_state *ec, ofnode node)
{
const u32 *cell;
int upto;
int len;
- cell = fdt_getprop(blob, node, "linux,keymap", &len);
+ cell = ofnode_read_prop(node, "linux,keymap", &len);
ec->matrix_count = len / 4;
ec->matrix = calloc(ec->matrix_count, sizeof(*ec->matrix));
if (!ec->matrix) {
@@ -516,28 +514,29 @@
{
struct ec_state *ec = dev->priv;
struct cros_ec_dev *cdev = dev->uclass_priv;
- const void *blob = gd->fdt_blob;
struct udevice *keyb_dev;
- int node;
+ ofnode node;
int err;
memcpy(ec, &s_state, sizeof(*ec));
- err = cros_ec_decode_ec_flash(blob, dev_of_offset(dev), &ec->ec_config);
- if (err)
+ err = cros_ec_decode_ec_flash(dev, &ec->ec_config);
+ if (err) {
+ debug("%s: Cannot device EC flash\n", __func__);
return err;
+ }
- node = -1;
+ node = ofnode_null();
for (device_find_first_child(dev, &keyb_dev);
keyb_dev;
device_find_next_child(&keyb_dev)) {
if (device_get_uclass_id(keyb_dev) == UCLASS_KEYBOARD) {
- node = dev_of_offset(keyb_dev);
+ node = dev_ofnode(keyb_dev);
break;
}
}
- if (node < 0) {
+ if (!ofnode_valid(node)) {
debug("%s: No cros_ec keyboard found\n", __func__);
- } else if (keyscan_read_fdt_matrix(ec, blob, node)) {
+ } else if (keyscan_read_fdt_matrix(ec, node)) {
debug("%s: Could not read key matrix\n", __func__);
return -1;
}