Implement a Miscellaneous uclass with generic read or
write operations. This class is used only for those
do not fit other more general classes.

Signed-off-by: Thomas Chou <[email protected]>
---
 drivers/misc/Kconfig       |  6 ++++++
 drivers/misc/Makefile      |  1 +
 drivers/misc/misc-uclass.c | 14 ++++++++++++++
 include/dm/uclass-id.h     |  1 +
 4 files changed, 22 insertions(+)
 create mode 100644 drivers/misc/misc-uclass.c

diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 8b38a84..51c2a08 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -4,6 +4,12 @@
 
 menu "Multifunction device drivers"
 
+config DM_MISC
+       bool "Enable Driver Model for Misc drivers"
+       depends on DM
+       help
+         Enable driver model for miscellaneous devices.
+
 config CMD_CROS_EC
        bool "Enable crosec command"
        depends on CROS_EC
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 8d0fc3c..b285946 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -5,6 +5,7 @@
 # SPDX-License-Identifier:     GPL-2.0+
 #
 
+obj-$(CONFIG_DM_MISC) += misc-uclass.o
 obj-$(CONFIG_ALI152X) += ali512x.o
 obj-$(CONFIG_DS4510)  += ds4510.o
 obj-$(CONFIG_CBMEM_CONSOLE) += cbmem_console.o
diff --git a/drivers/misc/misc-uclass.c b/drivers/misc/misc-uclass.c
new file mode 100644
index 0000000..40fe947
--- /dev/null
+++ b/drivers/misc/misc-uclass.c
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) 2010 Thomas Chou <[email protected]>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <misc.h>
+
+UCLASS_DRIVER(misc) = {
+       .id             = UCLASS_MISC,
+       .name           = "misc",
+};
diff --git a/include/dm/uclass-id.h b/include/dm/uclass-id.h
index aff34a4..a6982ab 100644
--- a/include/dm/uclass-id.h
+++ b/include/dm/uclass-id.h
@@ -39,6 +39,7 @@ enum uclass_id {
        UCLASS_LED,             /* Light-emitting diode (LED) */
        UCLASS_LPC,             /* x86 'low pin count' interface */
        UCLASS_MASS_STORAGE,    /* Mass storage device */
+       UCLASS_MISC,            /* Miscellaneous device */
        UCLASS_MMC,             /* SD / MMC card or chip */
        UCLASS_MOD_EXP,         /* RSA Mod Exp device */
        UCLASS_PCH,             /* x86 platform controller hub */
-- 
2.1.4

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