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Date: Wed, 05 Apr 2023 19:14:34 +0200
From: Benjamin Bara <bbara93@...il.com>
To: Support Opensource <support.opensource@...semi.com>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>, Lee Jones <lee@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Steve Twiss <stwiss.opensource@...semi.com>
Cc: DLG-Adam.Thomson.Opensource@...renesas.com,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
Matti Vaittinen <mazziesaccount@...il.com>,
Benjamin Bara <benjamin.bara@...data.com>,
Matti Vaittinen <mazziesaccount@...il.com>
Subject: [PATCH v3 1/3] regulator: da9063: add voltage monitoring registers
From: Benjamin Bara <benjamin.bara@...data.com>
Add the definitions for the registers responsible for voltage
monitoring. Add a voltage monitor enable bitfield per regulator.
Reviewed-by: Matti Vaittinen <mazziesaccount@...il.com>
Signed-off-by: Benjamin Bara <benjamin.bara@...data.com>
---
drivers/regulator/da9063-regulator.c | 29 +++++++++++++++++++++++++++++
include/linux/mfd/da9063/registers.h | 23 +++++++++++++++++++++++
2 files changed, 52 insertions(+)
diff --git a/drivers/regulator/da9063-regulator.c b/drivers/regulator/da9063-regulator.c
index 82f52a2a031a..1c720fc595b3 100644
--- a/drivers/regulator/da9063-regulator.c
+++ b/drivers/regulator/da9063-regulator.c
@@ -83,6 +83,9 @@ struct da9063_regulator_info {
/* DA9063 event detection bit */
struct reg_field oc_event;
+
+ /* DA9063 voltage monitor bit */
+ struct reg_field vmon;
};
/* Macros for LDO */
@@ -148,6 +151,7 @@ struct da9063_regulator {
struct regmap_field *suspend;
struct regmap_field *sleep;
struct regmap_field *suspend_sleep;
+ struct regmap_field *vmon;
};
/* Encapsulates all information for the regulators driver */
@@ -581,36 +585,42 @@ static const struct da9063_regulator_info da9063_regulator_info[] = {
da9063_buck_a_limits,
DA9063_REG_BUCK_ILIM_C, DA9063_BCORE1_ILIM_MASK),
DA9063_BUCK_COMMON_FIELDS(BCORE1),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_4, DA9063_BCORE1_MON_EN),
},
{
DA9063_BUCK(DA9063, BCORE2, 300, 10, 1570,
da9063_buck_a_limits,
DA9063_REG_BUCK_ILIM_C, DA9063_BCORE2_ILIM_MASK),
DA9063_BUCK_COMMON_FIELDS(BCORE2),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_4, DA9063_BCORE2_MON_EN),
},
{
DA9063_BUCK(DA9063, BPRO, 530, 10, 1800,
da9063_buck_a_limits,
DA9063_REG_BUCK_ILIM_B, DA9063_BPRO_ILIM_MASK),
DA9063_BUCK_COMMON_FIELDS(BPRO),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_4, DA9063_BPRO_MON_EN),
},
{
DA9063_BUCK(DA9063, BMEM, 800, 20, 3340,
da9063_buck_b_limits,
DA9063_REG_BUCK_ILIM_A, DA9063_BMEM_ILIM_MASK),
DA9063_BUCK_COMMON_FIELDS(BMEM),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_4, DA9063_BMEM_MON_EN),
},
{
DA9063_BUCK(DA9063, BIO, 800, 20, 3340,
da9063_buck_b_limits,
DA9063_REG_BUCK_ILIM_A, DA9063_BIO_ILIM_MASK),
DA9063_BUCK_COMMON_FIELDS(BIO),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_4, DA9063_BIO_MON_EN),
},
{
DA9063_BUCK(DA9063, BPERI, 800, 20, 3340,
da9063_buck_b_limits,
DA9063_REG_BUCK_ILIM_B, DA9063_BPERI_ILIM_MASK),
DA9063_BUCK_COMMON_FIELDS(BPERI),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_4, DA9063_BPERI_MON_EN),
},
{
DA9063_BUCK(DA9063, BCORES_MERGED, 300, 10, 1570,
@@ -618,6 +628,7 @@ static const struct da9063_regulator_info da9063_regulator_info[] = {
DA9063_REG_BUCK_ILIM_C, DA9063_BCORE1_ILIM_MASK),
/* BCORES_MERGED uses the same register fields as BCORE1 */
DA9063_BUCK_COMMON_FIELDS(BCORE1),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_4, DA9063_BCORE1_MON_EN),
},
{
DA9063_BUCK(DA9063, BMEM_BIO_MERGED, 800, 20, 3340,
@@ -625,47 +636,59 @@ static const struct da9063_regulator_info da9063_regulator_info[] = {
DA9063_REG_BUCK_ILIM_A, DA9063_BMEM_ILIM_MASK),
/* BMEM_BIO_MERGED uses the same register fields as BMEM */
DA9063_BUCK_COMMON_FIELDS(BMEM),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_4, DA9063_BMEM_MON_EN),
},
{
DA9063_LDO(DA9063, LDO3, 900, 20, 3440),
.oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO3_LIM),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_2, DA9063_LDO3_MON_EN),
},
{
DA9063_LDO(DA9063, LDO7, 900, 50, 3600),
.oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO7_LIM),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_2, DA9063_LDO7_MON_EN),
},
{
DA9063_LDO(DA9063, LDO8, 900, 50, 3600),
.oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO8_LIM),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_2, DA9063_LDO8_MON_EN),
},
{
DA9063_LDO(DA9063, LDO9, 950, 50, 3600),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_3, DA9063_LDO9_MON_EN),
},
{
DA9063_LDO(DA9063, LDO11, 900, 50, 3600),
.oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO11_LIM),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_3, DA9063_LDO11_MON_EN),
},
/* The following LDOs are present only on DA9063, not on DA9063L */
{
DA9063_LDO(DA9063, LDO1, 600, 20, 1860),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_2, DA9063_LDO1_MON_EN),
},
{
DA9063_LDO(DA9063, LDO2, 600, 20, 1860),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_2, DA9063_LDO2_MON_EN),
},
{
DA9063_LDO(DA9063, LDO4, 900, 20, 3440),
.oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO4_LIM),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_2, DA9063_LDO4_MON_EN),
},
{
DA9063_LDO(DA9063, LDO5, 900, 50, 3600),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_2, DA9063_LDO5_MON_EN),
},
{
DA9063_LDO(DA9063, LDO6, 900, 50, 3600),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_2, DA9063_LDO6_MON_EN),
},
{
DA9063_LDO(DA9063, LDO10, 900, 50, 3600),
+ .vmon = BFIELD(DA9063_BB_REG_MON_REG_3, DA9063_LDO10_MON_EN),
},
};
@@ -932,6 +955,12 @@ static int da9063_regulator_probe(struct platform_device *pdev)
if (IS_ERR(regl->suspend_sleep))
return PTR_ERR(regl->suspend_sleep);
}
+ if (regl->info->vmon.reg) {
+ regl->vmon = devm_regmap_field_alloc(&pdev->dev,
+ da9063->regmap, regl->info->vmon);
+ if (IS_ERR(regl->vmon))
+ return PTR_ERR(regl->vmon);
+ }
/* Register regulator */
memset(&config, 0, sizeof(config));
diff --git a/include/linux/mfd/da9063/registers.h b/include/linux/mfd/da9063/registers.h
index 6e0f66a2e727..7b8364bd08a0 100644
--- a/include/linux/mfd/da9063/registers.h
+++ b/include/linux/mfd/da9063/registers.h
@@ -1040,6 +1040,29 @@
/* DA9063_REG_CONFIG_J (addr=0x10F) */
#define DA9063_TWOWIRE_TO 0x40
+/* DA9063_REG_MON_REG_2 (addr=0x115) */
+#define DA9063_LDO1_MON_EN 0x01
+#define DA9063_LDO2_MON_EN 0x02
+#define DA9063_LDO3_MON_EN 0x04
+#define DA9063_LDO4_MON_EN 0x08
+#define DA9063_LDO5_MON_EN 0x10
+#define DA9063_LDO6_MON_EN 0x20
+#define DA9063_LDO7_MON_EN 0x40
+#define DA9063_LDO8_MON_EN 0x80
+
+/* DA9063_REG_MON_REG_3 (addr=0x116) */
+#define DA9063_LDO9_MON_EN 0x01
+#define DA9063_LDO10_MON_EN 0x02
+#define DA9063_LDO11_MON_EN 0x04
+
+/* DA9063_REG_MON_REG_4 (addr=0x117) */
+#define DA9063_BCORE1_MON_EN 0x04
+#define DA9063_BCORE2_MON_EN 0x08
+#define DA9063_BPRO_MON_EN 0x10
+#define DA9063_BIO_MON_EN 0x20
+#define DA9063_BMEM_MON_EN 0x40
+#define DA9063_BPERI_MON_EN 0x80
+
/* DA9063_REG_MON_REG_5 (addr=0x116) */
#define DA9063_MON_A8_IDX_MASK 0x07
#define DA9063_MON_A8_IDX_NONE 0x00
--
2.34.1
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