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authorSimon Glass <sjg@chromium.org>2016-01-21 19:43:55 -0700
committerSimon Glass <sjg@chromium.org>2016-01-21 20:42:35 -0700
commit1f2b4b06ae327ea899d63b1dd0d12751b9ac850b (patch)
tree8392621cf24ab111c7b8382bd161b9064d357346 /drivers/power
parentd178a1c5b2b3d47a6380b7990a8a3f44b1cafe24 (diff)
dm: power: Allow regulators to be omitted from SPL
For some boards the pmic interface is useful but the regulator interface (which comes with it) is too large. Allow them to be separated such that SPL can decide which it needs. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/pmic/Kconfig21
-rw-r--r--drivers/power/pmic/pmic-uclass.c2
-rw-r--r--drivers/power/regulator/Kconfig9
-rw-r--r--drivers/power/regulator/Makefile4
4 files changed, 34 insertions, 2 deletions
diff --git a/drivers/power/pmic/Kconfig b/drivers/power/pmic/Kconfig
index 8be3c071ca..7f69ae1ca8 100644
--- a/drivers/power/pmic/Kconfig
+++ b/drivers/power/pmic/Kconfig
@@ -10,6 +10,27 @@ config DM_PMIC
- 'drivers/power/pmic/pmic-uclass.c'
- 'include/power/pmic.h'
+config PMIC_CHILDREN
+ bool "Allow child devices for PMICs"
+ depends on DM_PMIC
+ default y
+ ---help---
+ This allows PMICs to support child devices (such as regulators) in
+ SPL. This adds quite a bit of code so if you are not using this
+ feature you can turn it off. Most likely you should turn it on for
+ U-Boot proper.
+
+config SPL_PMIC_CHILDREN
+ bool "Allow child devices for PMICs in SPL"
+ depends on DM_PMIC
+ default y
+ ---help---
+ This allows PMICs to support child devices (such as regulators) in
+ SPL. This adds quite a bit of code so if you are not using this
+ feature you can turn it off. In this case you may need a 'back door'
+ to call your regulator code (e.g. see rk808.c for direct functions
+ for use in SPL).
+
config PMIC_ACT8846
bool "Enable support for the active-semi 8846 PMIC"
depends on DM_PMIC && DM_I2C
diff --git a/drivers/power/pmic/pmic-uclass.c b/drivers/power/pmic/pmic-uclass.c
index 49709f3084..8b19998136 100644
--- a/drivers/power/pmic/pmic-uclass.c
+++ b/drivers/power/pmic/pmic-uclass.c
@@ -18,6 +18,7 @@
DECLARE_GLOBAL_DATA_PTR;
+#if CONFIG_IS_ENABLED(PMIC_CHILDREN)
int pmic_bind_children(struct udevice *pmic, int offset,
const struct pmic_child_info *child_info)
{
@@ -84,6 +85,7 @@ int pmic_bind_children(struct udevice *pmic, int offset,
debug("Bound: %d childs for PMIC: '%s'\n", bind_count, pmic->name);
return bind_count;
}
+#endif
int pmic_get(const char *name, struct udevice **devp)
{
diff --git a/drivers/power/regulator/Kconfig b/drivers/power/regulator/Kconfig
index 8f638a9d0e..465ff3fda6 100644
--- a/drivers/power/regulator/Kconfig
+++ b/drivers/power/regulator/Kconfig
@@ -16,6 +16,15 @@ config DM_REGULATOR
for this purpose if PMIC I/O driver is implemented or dm_scan_fdt_node()
otherwise. Detailed information can be found in the header file.
+config SPL_DM_REGULATOR
+ bool "Enable regulators for SPL"
+ depends on DM_REGULATOR
+ ---help---
+ Regulators are seldom needed in SPL. Even if they are accessed, some
+ code space can be saved by accessing the PMIC registers directly.
+ Enable this option if you need regulators in SPL and can cope with
+ the extra code size.
+
config REGULATOR_ACT8846
bool "Enable driver for ACT8846 regulator"
depends on DM_REGULATOR && PMIC_ACT8846
diff --git a/drivers/power/regulator/Makefile b/drivers/power/regulator/Makefile
index 0d18c2b1db..1590d8557e 100644
--- a/drivers/power/regulator/Makefile
+++ b/drivers/power/regulator/Makefile
@@ -5,11 +5,11 @@
# SPDX-License-Identifier: GPL-2.0+
#
-obj-$(CONFIG_DM_REGULATOR) += regulator-uclass.o
+obj-$(CONFIG_$(SPL_)DM_REGULATOR) += regulator-uclass.o
obj-$(CONFIG_REGULATOR_ACT8846) += act8846.o
obj-$(CONFIG_DM_REGULATOR_MAX77686) += max77686.o
obj-$(CONFIG_DM_REGULATOR_PFUZE100) += pfuze100.o
-obj-$(CONFIG_DM_REGULATOR_FIXED) += fixed.o
+obj-$(CONFIG_$(SPL_)DM_REGULATOR_FIXED) += fixed.o
obj-$(CONFIG_REGULATOR_RK808) += rk808.o
obj-$(CONFIG_REGULATOR_S5M8767) += s5m8767.o
obj-$(CONFIG_DM_REGULATOR_SANDBOX) += sandbox.o