X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fmisc%2Fcros_ec_lpc.c;h=78378410f444de585490bc271428e806ef17205f;hb=b7e84c93c450480ca4ff51ad2eb56bd83c1dc368;hp=0e02671c93d46652864d9e83bf4a7d3d9f658e2e;hpb=4ff9b461a8c50245a611b15a4fa67784cc452a3d;p=oweals%2Fu-boot.git

diff --git a/drivers/misc/cros_ec_lpc.c b/drivers/misc/cros_ec_lpc.c
index 0e02671c93..78378410f4 100644
--- a/drivers/misc/cros_ec_lpc.c
+++ b/drivers/misc/cros_ec_lpc.c
@@ -14,6 +14,7 @@
  */
 
 #include <common.h>
+#include <dm.h>
 #include <command.h>
 #include <cros_ec.h>
 #include <asm/io.h>
@@ -40,10 +41,11 @@ static int wait_for_sync(struct cros_ec_dev *dev)
 	return 0;
 }
 
-int cros_ec_lpc_command(struct cros_ec_dev *dev, uint8_t cmd, int cmd_version,
+int cros_ec_lpc_command(struct udevice *udev, uint8_t cmd, int cmd_version,
 		     const uint8_t *dout, int dout_len,
 		     uint8_t **dinp, int din_len)
 {
+	struct cros_ec_dev *dev = dev_get_uclass_priv(udev);
 	const int cmd_addr = EC_LPC_ADDR_HOST_CMD;
 	const int data_addr = EC_LPC_ADDR_HOST_DATA;
 	const int args_addr = EC_LPC_ADDR_HOST_ARGS;
@@ -54,7 +56,7 @@ int cros_ec_lpc_command(struct cros_ec_dev *dev, uint8_t cmd, int cmd_version,
 	int csum;
 	int i;
 
-	if (dout_len > EC_HOST_PARAM_SIZE) {
+	if (dout_len > EC_PROTO2_MAX_PARAM_SIZE) {
 		debug("%s: Cannot send %d bytes\n", __func__, dout_len);
 		return -1;
 	}
@@ -159,7 +161,7 @@ int cros_ec_lpc_init(struct cros_ec_dev *dev, const void *blob)
 	byte = 0xff;
 	byte &= inb(EC_LPC_ADDR_HOST_CMD);
 	byte &= inb(EC_LPC_ADDR_HOST_DATA);
-	for (i = 0; i < EC_HOST_PARAM_SIZE && (byte == 0xff); i++)
+	for (i = 0; i < EC_PROTO2_MAX_PARAM_SIZE && (byte == 0xff); i++)
 		byte &= inb(EC_LPC_ADDR_HOST_PARAM + i);
 	if (byte == 0xff) {
 		debug("%s: CROS_EC device not found on LPC bus\n",
@@ -178,7 +180,7 @@ int cros_ec_lpc_init(struct cros_ec_dev *dev, const void *blob)
  * seeing whether the EC sets the EC_HOST_ARGS_FLAG_FROM_HOST flag
  * in args when it responds.
  */
-int cros_ec_lpc_check_version(struct cros_ec_dev *dev)
+static int cros_ec_lpc_check_version(struct udevice *dev)
 {
 	if (inb(EC_LPC_ADDR_MEMMAP + EC_MEMMAP_ID) == 'E' &&
 			inb(EC_LPC_ADDR_MEMMAP + EC_MEMMAP_ID + 1)
@@ -192,3 +194,26 @@ int cros_ec_lpc_check_version(struct cros_ec_dev *dev)
 	printf("%s: ERROR: old EC interface not supported\n", __func__);
 	return -1;
 }
+
+static int cros_ec_probe(struct udevice *dev)
+{
+	return cros_ec_register(dev);
+}
+
+static struct dm_cros_ec_ops cros_ec_ops = {
+	.command = cros_ec_lpc_command,
+	.check_version = cros_ec_lpc_check_version,
+};
+
+static const struct udevice_id cros_ec_ids[] = {
+	{ .compatible = "google,cros-ec-lpc" },
+	{ }
+};
+
+U_BOOT_DRIVER(cros_ec_lpc) = {
+	.name		= "cros_ec_lpc",
+	.id		= UCLASS_CROS_EC,
+	.of_match	= cros_ec_ids,
+	.probe		= cros_ec_probe,
+	.ops		= &cros_ec_ops,
+};