video: input: Clean up after i8042 conversion

Now that i8042 uses driver model, adjust other mentions of it and remove old
code that is no-longer used. Update the README and unify the keyboard text
into one place.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

README

@@ -867,11 +867,11 @@ The following options need to be configured:
 						(0-5, cf. cfb_console.c)
 			VIDEO_FB_ADRS		framebuffer address
 			VIDEO_KBD_INIT_FCT	keyboard int fct
-						(i.e. i8042_kbd_init())
+						(i.e. rx51_kp_init())
 			VIDEO_TSTC_FCT		test char fct
-						(i.e. i8042_tstc)
+						(i.e. rx51_kp_tstc)
 			VIDEO_GETC_FCT		get char fct
-						(i.e. i8042_getc)
+						(i.e. rx51_kp_getc)
 			CONFIG_VIDEO_LOGO	display Linux logo in
 						upper left corner
 			CONFIG_VIDEO_BMP_LOGO	use bmp_logo.h instead of
@@ -1767,11 +1767,15 @@ CBFS (Coreboot Filesystem) support
 		a default value of 65536 will be defined.
 
 - Keyboard Support:
-		CONFIG_I8042_KBD
-		Standard PC keyboard driver with US (is default) and
-		GERMAN key layout (switch via environment 'keymap=de') support.
-		Export function i8042_kbd_init, i8042_tstc and i8042_getc
-		for cfb_console. Supports cursor blinking.
+		See Kconfig help for available keyboard drivers.
+
+		CONFIG_KEYBOARD
+
+		Define this to enable a custom keyboard support.
+		This simply calls drv_keyboard_init() which must be
+		defined in your board-specific files. This option is deprecated
+		and is only used by novena. For new boards, use driver model
+		instead.
 
 - Video support:
 		CONFIG_VIDEO
@@ -1832,15 +1836,6 @@ CBFS (Coreboot Filesystem) support
 		boot.  See the documentation file README.video for a
 		description of this variable.
 
-
-- Keyboard Support:
-		CONFIG_KEYBOARD
-
-		Define this to enable a custom keyboard support.
-		This simply calls drv_keyboard_init() which must be
-		defined in your board-specific files.
-		The only board using this so far is RBC823.
-
 - LCD Support:	CONFIG_LCD
 
 		Define this to enable LCD support (for output to LCD

drivers/video/cfb_console.c

@@ -15,8 +15,10 @@
  * logo can be placed in the upper left corner and additional board
  * information strings (that normally goes to serial port) can be drawn.
  *
- * The console driver can use the standard PC keyboard interface (i8042)
- * for character input. Character output goes to a memory mapped video
+ * The console driver can use a keyboard interface for character input
+ * but this is deprecated. Only rk51 uses it.
+ *
+ * Character output goes to a memory-mapped video
  * framebuffer with little or big-endian organisation.
  * With environment setting 'console=serial' the console i/o can be
  * forced to serial port.
@@ -38,7 +40,6 @@
  * VIDEO_DATA_FORMAT	      - graphical data format GDF
  * VIDEO_FB_ADRS	      - start of video memory
  *
- * CONFIG_I8042_KBD	      - AT Keyboard driver for i8042
  * VIDEO_KBD_INIT_FCT	      - init function for keyboard
  * VIDEO_TSTC_FCT	      - keyboard_tstc function
  * VIDEO_GETC_FCT	      - keyboard_getc function
@@ -158,19 +159,6 @@
 #define VIDEO_FB_ADRS		(pGD->frameAdrs)
 
 /*
- * Console device defines with i8042 keyboard controller
- * Any other keyboard controller must change this section
- */
-
-#ifdef	CONFIG_I8042_KBD
-#include <i8042.h>
-
-#define VIDEO_KBD_INIT_FCT	i8042_kbd_init()
-#define VIDEO_TSTC_FCT		i8042_tstc
-#define VIDEO_GETC_FCT		i8042_getc
-#endif
-
-/*
  * Console device
  */