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[PATCH v2 0/5] rk808: Add RK805 support

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  [PATCH v2 0/5] rk808: Add RK805 support Elaine Zhang <zhangqing@rock-chips.com> - 2017-03-10 03:00 +0100
    [PATCH v2 1/5] mfd: rk808: fix up the chip id get failed Elaine Zhang <zhangqing@rock-chips.com> - 2017-03-10 03:00 +0100
    [PATCH v2 2/5] linux: mfd: rk808: add rk805 regs addr and ID Elaine Zhang <zhangqing@rock-chips.com> - 2017-03-10 03:10 +0100
    [PATCH v2 3/5] regulator: rk808: Add regulator driver for RK805 Elaine Zhang <zhangqing@rock-chips.com> - 2017-03-10 03:10 +0100
      Re: [PATCH v2 3/5] regulator: rk808: Add regulator driver for RK805 Mark Brown <broonie@kernel.org> - 2017-03-13 18:20 +0100
    [PATCH v2 5/5] mfd: dt-bindings: Add RK805 device tree bindings document Elaine Zhang <zhangqing@rock-chips.com> - 2017-03-10 03:10 +0100

#1596555 — [PATCH v2 0/5] rk808: Add RK805 support

change in V2:
PATCH V2 1/5: NO change in V2
PATCH V2 2/5: add rk805 BUCK ILMAX define
PATCH V2 3/5: NO change in V2
PATCH V2 4/5: setting RK805 BUCK ILMAX in pre init
PATCH V2 5/5: Add RK805 device tree bindings document

Elaine Zhang (5):
  mfd: rk808: fix up the chip id get failed
  linux: mfd: rk808: add rk805 regs addr and ID
  regulator: rk808: Add regulator driver for RK805
  mfd: rk808: Add RK805 support
  mfd: dt-bindings: Add RK805 device tree bindings document

 Documentation/devicetree/bindings/mfd/rk808.txt |  20 +++-
 drivers/clk/Kconfig                             |   4 +-
 drivers/mfd/Kconfig                             |   4 +-
 drivers/mfd/rk808.c                             | 138 ++++++++++++++++++++++--
 drivers/regulator/Kconfig                       |   4 +-
 drivers/regulator/rk808-regulator.c             |  66 ++++++++++++
 drivers/rtc/Kconfig                             |   4 +-
 include/linux/mfd/rk808.h                       | 116 ++++++++++++++++++++
 8 files changed, 341 insertions(+), 15 deletions(-)

-- 
1.9.1

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#1596556 — [PATCH v2 1/5] mfd: rk808: fix up the chip id get failed

the rk8xx chip id is:
((MSB << 8) | LSB) & 0xfff0

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
---
 drivers/mfd/rk808.c       | 21 +++++++++++++++------
 include/linux/mfd/rk808.h |  1 +
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c
index fd087cbb0bde..3334a2a7f3fb 100644
--- a/drivers/mfd/rk808.c
+++ b/drivers/mfd/rk808.c
@@ -325,7 +325,7 @@ static int rk808_probe(struct i2c_client *client,
 	void (*pm_pwroff_fn)(void);
 	int nr_pre_init_regs;
 	int nr_cells;
-	int pm_off = 0;
+	int pm_off = 0, msb, lsb;
 	int ret;
 	int i;
 
@@ -333,14 +333,23 @@ static int rk808_probe(struct i2c_client *client,
 	if (!rk808)
 		return -ENOMEM;
 
-	rk808->variant = i2c_smbus_read_word_data(client, RK808_ID_MSB);
-	if (rk808->variant < 0) {
-		dev_err(&client->dev, "Failed to read the chip id at 0x%02x\n",
+	/* read Chip variant */
+	msb = i2c_smbus_read_byte_data(client, RK808_ID_MSB);
+	if (msb < 0) {
+		dev_err(&client->dev, "failed to read the chip id at 0x%x\n",
 			RK808_ID_MSB);
-		return rk808->variant;
+		return msb;
 	}
 
-	dev_dbg(&client->dev, "Chip id: 0x%x\n", (unsigned int)rk808->variant);
+	lsb = i2c_smbus_read_byte_data(client, RK808_ID_LSB);
+	if (lsb < 0) {
+		dev_err(&client->dev, "failed to read the chip id at 0x%x\n",
+			RK808_ID_LSB);
+		return lsb;
+	}
+
+	rk808->variant = ((msb << 8) | lsb) & RK8XX_ID_MSK;
+	dev_info(&client->dev, "Chip id: 0x%x\n", (unsigned int)rk808->variant);
 
 	switch (rk808->variant) {
 	case RK808_ID:
diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h
index 83701ef7d3c7..54feb140c210 100644
--- a/include/linux/mfd/rk808.h
+++ b/include/linux/mfd/rk808.h
@@ -298,6 +298,7 @@ enum rk818_reg {
 #define VOUT_LO_INT	BIT(0)
 #define CLK32KOUT2_EN	BIT(0)
 
+#define RK8XX_ID_MSK			0xfff0
 enum {
 	BUCK_ILMIN_50MA,
 	BUCK_ILMIN_100MA,
-- 
1.9.1

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#1596559 — [PATCH v2 2/5] linux: mfd: rk808: add rk805 regs addr and ID

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
---
 include/linux/mfd/rk808.h | 115 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)

diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h
index 54feb140c210..97f532f625de 100644
--- a/include/linux/mfd/rk808.h
+++ b/include/linux/mfd/rk808.h
@@ -206,6 +206,92 @@ enum rk818_reg {
 #define RK818_USB_ILMIN_2000MA		0x7
 #define RK818_USB_CHG_SD_VSEL_MASK	0x70
 
+/* RK805 */
+enum rk805_reg {
+	RK805_ID_DCDC1,
+	RK805_ID_DCDC2,
+	RK805_ID_DCDC3,
+	RK805_ID_DCDC4,
+	RK805_ID_LDO1,
+	RK805_ID_LDO2,
+	RK805_ID_LDO3,
+};
+
+/* INTERRUPT REGISTER */
+#define RK805_INT_STS_REG		0x4C
+#define RK805_INT_STS_MSK_REG		0x4D
+#define RK805_GPIO_IO_POL_REG		0x50
+#define RK805_OUT_REG			0x52
+#define RK805_ON_SOURCE_REG		0xAE
+#define RK805_OFF_SOURCE_REG		0xAF
+
+/* POWER CHANNELS ENABLE REGISTER */
+#define RK805_DCDC_EN_REG		0x23
+#define RK805_SLP_DCDC_EN_REG		0x25
+#define RK805_SLP_LDO_EN_REG		0x26
+#define RK805_LDO_EN_REG		0x27
+
+/* CONFIG REGISTER */
+#define RK805_THERMAL_REG		0x22
+
+/* BUCK AND LDO CONFIG REGISTER */
+#define RK805_BUCK_LDO_SLP_LP_EN_REG	0x2A
+#define RK805_BUCK1_CONFIG_REG		0x2E
+#define RK805_BUCK1_ON_VSEL_REG		0x2F
+#define RK805_BUCK1_SLP_VSEL_REG	0x30
+#define RK805_BUCK2_CONFIG_REG		0x32
+#define RK805_BUCK2_ON_VSEL_REG		0x33
+#define RK805_BUCK2_SLP_VSEL_REG	0x34
+#define RK805_BUCK3_CONFIG_REG		0x36
+#define RK805_BUCK4_CONFIG_REG		0x37
+#define RK805_BUCK4_ON_VSEL_REG		0x38
+#define RK805_BUCK4_SLP_VSEL_REG	0x39
+#define RK805_LDO1_ON_VSEL_REG		0x3B
+#define RK805_LDO1_SLP_VSEL_REG		0x3C
+#define RK805_LDO2_ON_VSEL_REG		0x3D
+#define RK805_LDO2_SLP_VSEL_REG		0x3E
+#define RK805_LDO3_ON_VSEL_REG		0x3F
+#define RK805_LDO3_SLP_VSEL_REG		0x40
+#define RK805_OUT_REG			0x52
+#define RK805_ON_SOURCE_REG		0xAE
+#define RK805_OFF_SOURCE_REG		0xAF
+
+#define RK805_NUM_REGULATORS		7
+
+#define RK805_PWRON_FALL_RISE_INT_EN	0x0
+#define RK805_PWRON_FALL_RISE_INT_MSK	0x81
+
+/* RK805 IRQ Definitions */
+#define RK805_IRQ_PWRON_RISE		0
+#define RK805_IRQ_VB_LOW		1
+#define RK805_IRQ_PWRON			2
+#define RK805_IRQ_PWRON_LP		3
+#define RK805_IRQ_HOTDIE		4
+#define RK805_IRQ_RTC_ALARM		5
+#define RK805_IRQ_RTC_PERIOD		6
+#define RK805_IRQ_PWRON_FALL		7
+
+#define RK805_IRQ_PWRON_RISE_MSK	BIT(0)
+#define RK805_IRQ_VB_LOW_MSK		BIT(1)
+#define RK805_IRQ_PWRON_MSK		BIT(2)
+#define RK805_IRQ_PWRON_LP_MSK		BIT(3)
+#define RK805_IRQ_HOTDIE_MSK		BIT(4)
+#define RK805_IRQ_RTC_ALARM_MSK		BIT(5)
+#define RK805_IRQ_RTC_PERIOD_MSK	BIT(6)
+#define RK805_IRQ_PWRON_FALL_MSK	BIT(7)
+
+#define RK805_PWR_RISE_INT_STATUS	BIT(0)
+#define RK805_VB_LOW_INT_STATUS		BIT(1)
+#define RK805_PWRON_INT_STATUS		BIT(2)
+#define RK805_PWRON_LP_INT_STATUS	BIT(3)
+#define RK805_HOTDIE_INT_STATUS		BIT(4)
+#define RK805_ALARM_INT_STATUS		BIT(5)
+#define RK805_PERIOD_INT_STATUS		BIT(6)
+#define RK805_PWR_FALL_INT_STATUS	BIT(7)
+
+#define RK805_BUCK1_2_ILMAX_MASK	(3 << 6)
+#define RK805_BUCK3_4_ILMAX_MASK        (3 << 3)
+
 /* RK808 IRQ Definitions */
 #define RK808_IRQ_VOUT_LO	0
 #define RK808_IRQ_VB_LO		1
@@ -298,7 +384,14 @@ enum rk818_reg {
 #define VOUT_LO_INT	BIT(0)
 #define CLK32KOUT2_EN	BIT(0)
 
+#define TEMP115C			0x0c
+#define TEMP_HOTDIE_MSK			0x0c
+#define SLP_SD_MSK			(0x3 << 2)
+#define SHUTDOWN_FUN			(0x2 << 2)
+#define SLEEP_FUN			(0x1 << 2)
 #define RK8XX_ID_MSK			0xfff0
+#define FPWM_MODE			BIT(7)
+
 enum {
 	BUCK_ILMIN_50MA,
 	BUCK_ILMIN_100MA,
@@ -322,6 +415,28 @@ enum {
 };
 
 enum {
+	RK805_BUCK1_2_ILMAX_2500MA,
+	RK805_BUCK1_2_ILMAX_3000MA,
+	RK805_BUCK1_2_ILMAX_3500MA,
+	RK805_BUCK1_2_ILMAX_4000MA,
+};
+
+enum {
+	RK805_BUCK3_ILMAX_1500MA,
+	RK805_BUCK3_ILMAX_2000MA,
+	RK805_BUCK3_ILMAX_2500MA,
+	RK805_BUCK3_ILMAX_3000MA,
+};
+
+enum {
+	RK805_BUCK4_ILMAX_2000MA,
+	RK805_BUCK4_ILMAX_2500MA,
+	RK805_BUCK4_ILMAX_3000MA,
+	RK805_BUCK4_ILMAX_3500MA,
+};
+
+enum {
+	RK805_ID = 0x8050,
 	RK808_ID = 0x0000,
 	RK818_ID = 0x8181,
 };
-- 
1.9.1

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#1596560 — [PATCH v2 3/5] regulator: rk808: Add regulator driver for RK805

Add support for the rk805 regulator. The regulator module consists
of 4 DCDCs, 3 LDOs.

The output voltages are configurable and are meant to supply power
to the main processor and other components.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
---
 drivers/regulator/Kconfig           |  4 +--
 drivers/regulator/rk808-regulator.c | 66 +++++++++++++++++++++++++++++++++++++
 2 files changed, 68 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index be06eb29c681..285e28051219 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -650,11 +650,11 @@ config REGULATOR_RC5T583
 	  outputs which can be controlled by i2c communication.
 
 config REGULATOR_RK808
-	tristate "Rockchip RK808/RK818 Power regulators"
+	tristate "Rockchip RK805/RK808/RK818 Power regulators"
 	depends on MFD_RK808
 	help
 	  Select this option to enable the power regulator of ROCKCHIP
-	  PMIC RK808 and RK818.
+	  PMIC RK805,RK808 and RK818.
 	  This driver supports the control of different power rails of device
 	  through regulator interface. The device supports multiple DCDC/LDO
 	  outputs which can be controlled by i2c communication.
diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
index fb44d5215e30..78c969c19428 100644
--- a/drivers/regulator/rk808-regulator.c
+++ b/drivers/regulator/rk808-regulator.c
@@ -369,6 +369,68 @@ static int rk808_set_suspend_disable(struct regulator_dev *rdev)
 	.set_suspend_disable	= rk808_set_suspend_disable,
 };
 
+static const struct regulator_desc rk805_reg[] = {
+	{
+		.name = "DCDC_REG1",
+		.supply_name = "vcc1",
+		.of_match = of_match_ptr("DCDC_REG1"),
+		.regulators_node = of_match_ptr("regulators"),
+		.id = RK805_ID_DCDC1,
+		.ops = &rk808_reg_ops,
+		.type = REGULATOR_VOLTAGE,
+		.min_uV = 712500,
+		.uV_step = 12500,
+		.n_voltages = 64,
+		.vsel_reg = RK805_BUCK1_ON_VSEL_REG,
+		.vsel_mask = RK818_BUCK_VSEL_MASK,
+		.enable_reg = RK805_DCDC_EN_REG,
+		.enable_mask = BIT(0),
+		.owner = THIS_MODULE,
+	}, {
+		.name = "DCDC_REG2",
+		.supply_name = "vcc2",
+		.of_match = of_match_ptr("DCDC_REG2"),
+		.regulators_node = of_match_ptr("regulators"),
+		.id = RK805_ID_DCDC2,
+		.ops = &rk808_reg_ops,
+		.type = REGULATOR_VOLTAGE,
+		.min_uV = 712500,
+		.uV_step = 12500,
+		.n_voltages = 64,
+		.vsel_reg = RK805_BUCK2_ON_VSEL_REG,
+		.vsel_mask = RK818_BUCK_VSEL_MASK,
+		.enable_reg = RK805_DCDC_EN_REG,
+		.enable_mask = BIT(1),
+		.owner = THIS_MODULE,
+	}, {
+		.name = "DCDC_REG3",
+		.supply_name = "vcc3",
+		.of_match = of_match_ptr("DCDC_REG3"),
+		.regulators_node = of_match_ptr("regulators"),
+		.id = RK805_ID_DCDC3,
+		.ops = &rk808_switch_ops,
+		.type = REGULATOR_VOLTAGE,
+		.n_voltages = 1,
+		.enable_reg = RK805_DCDC_EN_REG,
+		.enable_mask = BIT(2),
+		.owner = THIS_MODULE,
+	},
+
+	RK8XX_DESC(RK805_ID_DCDC4, "DCDC_REG4", "vcc4", 800, 3400, 100,
+		RK805_BUCK4_ON_VSEL_REG, RK818_BUCK4_VSEL_MASK,
+		RK805_DCDC_EN_REG, BIT(3), 0),
+
+	RK8XX_DESC(RK805_ID_LDO1, "LDO_REG1", "vcc5", 800, 3400, 100,
+		RK805_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
+		BIT(0), 400),
+	RK8XX_DESC(RK805_ID_LDO2, "LDO_REG2", "vcc5", 800, 3400, 100,
+		RK805_LDO2_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
+		BIT(1), 400),
+	RK8XX_DESC(RK805_ID_LDO3, "LDO_REG3", "vcc6", 800, 3400, 100,
+		RK805_LDO3_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
+		BIT(2), 400),
+};
+
 static const struct regulator_desc rk808_reg[] = {
 	{
 		.name = "DCDC_REG1",
@@ -625,6 +687,10 @@ static int rk808_regulator_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, pdata);
 
 	switch (rk808->variant) {
+	case RK805_ID:
+		regulators = rk805_reg;
+		nregulators = RK805_NUM_REGULATORS;
+		break;
 	case RK808_ID:
 		regulators = rk808_reg;
 		nregulators = RK808_NUM_REGULATORS;
-- 
1.9.1

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#1599651 — Re: [PATCH v2 3/5] regulator: rk808: Add regulator driver for RK805

[Multipart message — attachments visible in raw view] — view raw

On Fri, Mar 10, 2017 at 10:00:50AM +0800, Elaine Zhang wrote:
> Add support for the rk805 regulator. The regulator module consists
> of 4 DCDCs, 3 LDOs.

Acked-by: Mark Brown <broonie@kernel.org>

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#1596564 — [PATCH v2 5/5] mfd: dt-bindings: Add RK805 device tree bindings document

Add device tree bindings documentation for Rockchip's RK805 PMIC.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
---
 Documentation/devicetree/bindings/mfd/rk808.txt | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/rk808.txt b/Documentation/devicetree/bindings/mfd/rk808.txt
index 9636ae8d8d41..05eb07134483 100644
--- a/Documentation/devicetree/bindings/mfd/rk808.txt
+++ b/Documentation/devicetree/bindings/mfd/rk808.txt
@@ -1,11 +1,12 @@
 RK8XX Power Management Integrated Circuit
 
 The rk8xx family current members:
+rk805
 rk808
 rk818
 
 Required properties:
-- compatible: "rockchip,rk808", "rockchip,rk818"
+- compatible: "rockchip,rk805", "rockchip,rk808", "rockchip,rk818"
 - reg: I2C slave address
 - interrupt-parent: The parent interrupt controller.
 - interrupts: the interrupt outputs of the controller.
@@ -18,6 +19,14 @@ Optional properties:
 - rockchip,system-power-controller: Telling whether or not this pmic is controlling
   the system power.
 
+Optional RK805 properties:
+- vcc1-supply:  The input supply for DCDC_REG1
+- vcc2-supply:  The input supply for DCDC_REG2
+- vcc3-supply:  The input supply for DCDC_REG3
+- vcc4-supply:  The input supply for DCDC_REG4
+- vcc5-supply:  The input supply for LDO_REG1 and LDO_REG2
+- vcc6-supply:  The input supply for LDO_REG3
+
 Optional RK808 properties:
 - vcc1-supply:  The input supply for DCDC_REG1
 - vcc2-supply:  The input supply for DCDC_REG2
@@ -56,6 +65,15 @@ by a child node of the 'regulators' node.
 		/* standard regulator bindings here */
 	};
 
+Following regulators of the RK805 PMIC block are supported. Note that
+the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO
+number as described in RK805 datasheet.
+
+	- DCDC_REGn
+		- valid values for n are 1 to 4.
+	- LDO_REGn
+		- valid values for n are 1 to 3
+
 Following regulators of the RK808 PMIC block are supported. Note that
 the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO
 number as described in RK808 datasheet.
-- 
1.9.1

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