mach-ux500: complete regulator constraints for MOP500 board

This board now has complete regulation constraints and can turn
off unused regulators. For the moment we need to wire VAUX1
(V-DISPLAY rail) always on since it somehow affects the external
MMC.

Cc: Liam Girdwood <lrg@slimlogic.co.uk>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/arch/arm/mach-ux500/board-mop500-regulators.c b/arch/arm/mach-ux500/board-mop500-regulators.c
index 9ed0f90..c0bc833 100644 (file)
--- a/arch/arm/mach-ux500/board-mop500-regulators.c
+++ b/arch/arm/mach-ux500/board-mop500-regulators.c
@@ -272,7 +272,14 @@ struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = {
                        .max_uV = 2900000,
                        .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
                                          REGULATOR_CHANGE_STATUS,
-                       .boot_on = 1, /* must be on for display */
+                       .boot_on = 1, /* display is on at boot */
+                       /*
+                        * This voltage cannot be disabled right now because
+                        * it is somehow affecting the external MMC
+                        * functionality, though that typically will use
+                        * AUX3.
+                        */
+                       .always_on = 1,
                },
                .num_consumer_supplies = ARRAY_SIZE(ab8500_vaux1_consumers),
                .consumer_supplies = ab8500_vaux1_consumers,

diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index bb26f40..c64d6aa 100644 (file)
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -458,6 +458,9 @@ static void __init mop500_init_machine(void)
        i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
        i2c_register_board_info(2, mop500_i2c2_devices,
                                ARRAY_SIZE(mop500_i2c2_devices));
+
+       /* This board has full regulator constraints */
+       regulator_has_full_constraints();
 }
 
 MACHINE_START(U8500, "ST-Ericsson MOP500 platform")