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Date: Mon, 4 Feb 2013 11:53:35 +0000
From: Lee Jones <lee.jones@...aro.org>
To: linux-kernel@...r.kernel.org, broonie@...nsource.wolfsonmicro.com
Cc: Lee Jones <lee.jones@...aro.org>,
Bengt Jonsson <bengt.g.jonsson@...ricsson.com>
Subject: [PATCH 20/73] regulator: ab8500-ext: Add VextSupply1 regulator
Remove suspend-force settings of VextSupply1 and add VextSupply1
in the external regulator driver.
Signed-off-by: Bengt Jonsson <bengt.g.jonsson@...ricsson.com>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
arch/arm/mach-ux500/board-mop500-regulators.c | 32 +++++++++++++++++++++++--
arch/arm/mach-ux500/board-mop500-regulators.h | 2 ++
drivers/regulator/ab8500-ext.c | 18 ++++++++++++++
include/linux/regulator/ab8500.h | 1 +
4 files changed, 51 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-ux500/board-mop500-regulators.c b/arch/arm/mach-ux500/board-mop500-regulators.c
index 72fb449..38b70d7 100644
--- a/arch/arm/mach-ux500/board-mop500-regulators.c
+++ b/arch/arm/mach-ux500/board-mop500-regulators.c
@@ -11,6 +11,7 @@
#include <linux/kernel.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/ab8500.h>
+#include <mach/id.h> /* to identify older boards for fixes */
#include "board-mop500-regulators.h"
static struct regulator_consumer_supply gpio_en_3v3_consumers[] = {
@@ -278,13 +279,13 @@ static struct ab8500_regulator_reg_init ab8500_reg_init[] = {
*/
INIT_REGULATOR_REGISTER(AB8500_VREFDDR, 0x03, 0x00),
/*
- * VextSupply1Regu = HW control
+ * VextSupply1Regu = force LP
* VextSupply2Regu = HW control
* VextSupply3Regu = force HP (-> STBB2=LP and TPS=LP)
* ExtSupply2Bypass = ExtSupply12LPn ball is 0 when Ena is 0
* ExtSupply3Bypass = ExtSupply3LPn ball is 0 when Ena is 0
*/
- INIT_REGULATOR_REGISTER(AB8500_EXTSUPPLYREGU, 0xff, 0x1a),
+ INIT_REGULATOR_REGISTER(AB8500_EXTSUPPLYREGU, 0xff, 0x1b),
/*
* Vaux1Regu = force HP
* Vaux2Regu = force off
@@ -456,6 +457,17 @@ static struct regulator_consumer_supply ab8500_ext_supply3_consumers[] = {
* AB8500 external regulators
*/
static struct regulator_init_data ab8500_ext_regulators[] = {
+ /* fixed Vbat supplies VSMPS1_EXT_1V8 */
+ [AB8500_EXT_SUPPLY1] = {
+ .constraints = {
+ .name = "ab8500-ext-supply1",
+ .min_uV = 1800000,
+ .max_uV = 1800000,
+ .initial_mode = REGULATOR_MODE_IDLE,
+ .boot_on = 1,
+ .always_on = 1,
+ },
+ },
/* fixed Vbat supplies VSMPS3_EXT_3V4 and VSMPS4_EXT_3V4 */
[AB8500_EXT_SUPPLY3] = {
.constraints = {
@@ -479,3 +491,19 @@ struct ab8500_regulator_platform_data ab8500_regulator_plat_data = {
.ext_regulator = ab8500_ext_regulators,
.num_ext_regulator = ARRAY_SIZE(ab8500_ext_regulators),
};
+
+void mop500_regulator_init(void)
+{
+ struct regulator_init_data *regulator;
+
+ /*
+ * Handle VextSupply1 on older boards than HREFP_V22_V1x
+ * (turn off in suspend)
+ */
+ if (cpu_is_u8500v20() || cpu_is_u8500v21()) {
+ /* disable VextSupply1 in suspend */
+ regulator = &ab8500_ext_regulators[AB8500_EXT_SUPPLY1];
+ regulator->constraints.state_mem.disabled = 1;
+ regulator->constraints.state_standby.disabled = 1;
+ }
+}
diff --git a/arch/arm/mach-ux500/board-mop500-regulators.h b/arch/arm/mach-ux500/board-mop500-regulators.h
index 9ca4869..3d4c412 100644
--- a/arch/arm/mach-ux500/board-mop500-regulators.h
+++ b/arch/arm/mach-ux500/board-mop500-regulators.h
@@ -18,4 +18,6 @@ extern struct ab8500_regulator_platform_data ab8500_regulator_plat_data;
extern struct regulator_init_data tps61052_regulator;
extern struct regulator_init_data gpio_en_3v3_regulator;
+void mop500_regulator_init(void);
+
#endif
diff --git a/drivers/regulator/ab8500-ext.c b/drivers/regulator/ab8500-ext.c
index 2bf940d..a8fe1cb 100644
--- a/drivers/regulator/ab8500-ext.c
+++ b/drivers/regulator/ab8500-ext.c
@@ -300,6 +300,24 @@ static struct regulator_ops ab8500_ext_regulator_ops = {
static struct ab8500_ext_regulator_info
ab8500_ext_regulator_info[AB8500_NUM_EXT_REGULATORS] = {
+ [AB8500_EXT_SUPPLY1] = {
+ .desc = {
+ .name = "VEXTSUPPLY1",
+ .ops = &ab8500_ext_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = AB8500_EXT_SUPPLY1,
+ .owner = THIS_MODULE,
+ .n_voltages = 1,
+ },
+ .fixed_uV = 1800000,
+ .update_bank = 0x04,
+ .update_reg = 0x08,
+ .update_mask = 0x03,
+ .update_val = 0x01,
+ .update_val_hp = 0x01,
+ .update_val_lp = 0x03,
+ .update_val_hw = 0x02,
+ },
[AB8500_EXT_SUPPLY3] = {
.desc = {
.name = "VEXTSUPPLY3",
diff --git a/include/linux/regulator/ab8500.h b/include/linux/regulator/ab8500.h
index 7436bdb..33308ff 100644
--- a/include/linux/regulator/ab8500.h
+++ b/include/linux/regulator/ab8500.h
@@ -160,6 +160,7 @@ struct ab8500_ext_regulator_cfg {
};
enum ab8500_ext_regulator_id {
+ AB8500_EXT_SUPPLY1,
AB8500_EXT_SUPPLY3,
AB8500_NUM_EXT_REGULATORS,
};
--
1.7.9.5
--
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