leds: leds-mc13783: Prepare driver to support MC13892 LEDs

This patch rewrite driver code to be ready to add support for
MC13892 LEDs and probe from devicetree.

(cooloney@gmail.com: fix one coding style issue when apply this patch)

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Tested-by: Philippe Retornaz <philippe.retornaz@epfl.ch>
Signed-off-by: Bryan Wu <cooloney@gmail.com>

1 files changed, 43 insertions, 50 deletions

diff --git a/include/linux/mfd/mc13xxx.h b/include/linux/mfd/mc13xxx.h
index bf070755982e..ee280f16350c 100644
--- a/include/linux/mfd/mc13xxx.h
+++ b/include/linux/mfd/mc13xxx.h
@@ -78,20 +78,23 @@ struct mc13xxx_regulator_platform_data {
         struct mc13xxx_regulator_init_data *regulators;
 };
 
+enum {
+        /* MC13783 LED IDs */
+        MC13783_LED_MD,
+        MC13783_LED_AD,
+        MC13783_LED_KP,
+        MC13783_LED_R1,
+        MC13783_LED_G1,
+        MC13783_LED_B1,
+        MC13783_LED_R2,
+        MC13783_LED_G2,
+        MC13783_LED_B2,
+        MC13783_LED_R3,
+        MC13783_LED_G3,
+        MC13783_LED_B3,
+};
+
 struct mc13xxx_led_platform_data {
-#define MC13783_LED_MD          0
-#define MC13783_LED_AD          1
-#define MC13783_LED_KP          2
-#define MC13783_LED_R1          3
-#define MC13783_LED_G1          4
-#define MC13783_LED_B1          5
-#define MC13783_LED_R2          6
-#define MC13783_LED_G2          7
-#define MC13783_LED_B2          8
-#define MC13783_LED_R3          9
-#define MC13783_LED_G3          10
-#define MC13783_LED_B3          11
-#define MC13783_LED_MAX MC13783_LED_B3
         int id;
         const char *name;
         const char *default_trigger;
@@ -100,46 +103,36 @@ struct mc13xxx_led_platform_data {
         char max_current;
 };
 
+#define MAX_LED_CONTROL_REGS    6
+
 struct mc13xxx_leds_platform_data {
-        int num_leds;
         struct mc13xxx_led_platform_data *led;
+        int num_leds;
 
-#define MC13783_LED_TRIODE_MD   (1 << 0)
-#define MC13783_LED_TRIODE_AD   (1 << 1)
-#define MC13783_LED_TRIODE_KP   (1 << 2)
-#define MC13783_LED_BOOST_EN    (1 << 3)
-#define MC13783_LED_TC1HALF     (1 << 4)
-#define MC13783_LED_SLEWLIMTC   (1 << 5)
-#define MC13783_LED_SLEWLIMBL   (1 << 6)
-#define MC13783_LED_TRIODE_TC1  (1 << 7)
-#define MC13783_LED_TRIODE_TC2  (1 << 8)
-#define MC13783_LED_TRIODE_TC3  (1 << 9)
-        int flags;
-
-#define MC13783_LED_AB_DISABLED         0
-#define MC13783_LED_AB_MD1              1
-#define MC13783_LED_AB_MD12             2
-#define MC13783_LED_AB_MD123            3
-#define MC13783_LED_AB_MD1234           4
-#define MC13783_LED_AB_MD1234_AD1       5
-#define MC13783_LED_AB_MD1234_AD12      6
-#define MC13783_LED_AB_MD1_AD           7
-        char abmode;
-
-#define MC13783_LED_ABREF_200MV 0
-#define MC13783_LED_ABREF_400MV 1
-#define MC13783_LED_ABREF_600MV 2
-#define MC13783_LED_ABREF_800MV 3
-        char abref;
-
-#define MC13783_LED_PERIOD_10MS         0
-#define MC13783_LED_PERIOD_100MS        1
-#define MC13783_LED_PERIOD_500MS        2
-#define MC13783_LED_PERIOD_2S           3
-        char bl_period;
-        char tc1_period;
-        char tc2_period;
-        char tc3_period;
+/* LED Control 0 */
+#define MC13783_LED_C0_ENABLE           (1 << 0)
+#define MC13783_LED_C0_TRIODE_MD        (1 << 7)
+#define MC13783_LED_C0_TRIODE_AD        (1 << 8)
+#define MC13783_LED_C0_TRIODE_KP        (1 << 9)
+#define MC13783_LED_C0_BOOST            (1 << 10)
+#define MC13783_LED_C0_ABMODE(x)        (((x) & 0x7) << 11)
+#define MC13783_LED_C0_ABREF(x)         (((x) & 0x3) << 14)
+/* LED Control 1 */
+#define MC13783_LED_C1_TC1HALF          (1 << 18)
+#define MC13783_LED_C1_SLEWLIM          (1 << 23)
+/* LED Control 2 */
+#define MC13783_LED_C2_PERIOD(x)        (((x) & 0x3) << 21)
+#define MC13783_LED_C2_SLEWLIM          (1 << 23)
+/* LED Control 3 */
+#define MC13783_LED_C3_PERIOD(x)        (((x) & 0x3) << 21)
+#define MC13783_LED_C3_TRIODE_TC1       (1 << 23)
+/* LED Control 4 */
+#define MC13783_LED_C4_PERIOD(x)        (((x) & 0x3) << 21)
+#define MC13783_LED_C4_TRIODE_TC2       (1 << 23)
+/* LED Control 5 */
+#define MC13783_LED_C5_PERIOD(x)        (((x) & 0x3) << 21)
+#define MC13783_LED_C5_TRIODE_TC3       (1 << 23)
+        u32 led_control[MAX_LED_CONTROL_REGS];
 };
 
 struct mc13xxx_buttons_platform_data {