mfd: rk808: Add Rockchip rk817 battery charger support

Add rk817 charger support cell to rk808 mfd driver.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Maya Matuszczyk <maccraft123mc@gmail.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20220808173809.11320-3-macroalpha82@gmail.com

1 files changed, 91 insertions, 0 deletions

diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h
index 58602032e642..9af1f3105f80 100644
--- a/include/linux/mfd/rk808.h
+++ b/include/linux/mfd/rk808.h
@@ -519,6 +519,77 @@ enum rk809_reg_id {
 #define MIC_DIFF_DIS			(0x0 << 7)
 #define MIC_DIFF_EN			(0x1 << 7)
 
+/* RK817 Battery Registers */
+#define RK817_GAS_GAUGE_ADC_CONFIG0	0x50
+#define RK817_GG_EN			(0x1 << 7)
+#define RK817_SYS_VOL_ADC_EN		(0x1 << 6)
+#define RK817_TS_ADC_EN			(0x1 << 5)
+#define RK817_USB_VOL_ADC_EN		(0x1 << 4)
+#define RK817_BAT_VOL_ADC_EN		(0x1 << 3)
+#define RK817_BAT_CUR_ADC_EN		(0x1 << 2)
+
+#define RK817_GAS_GAUGE_ADC_CONFIG1	0x55
+
+#define RK817_VOL_CUR_CALIB_UPD		BIT(7)
+
+#define RK817_GAS_GAUGE_GG_CON		0x56
+#define RK817_GAS_GAUGE_GG_STS		0x57
+
+#define RK817_BAT_CON			(0x1 << 4)
+#define RK817_RELAX_VOL_UPD		(0x3 << 2)
+#define RK817_RELAX_STS			(0x1 << 1)
+
+#define RK817_GAS_GAUGE_RELAX_THRE_H	0x58
+#define RK817_GAS_GAUGE_RELAX_THRE_L	0x59
+#define RK817_GAS_GAUGE_OCV_THRE_VOL	0x62
+#define RK817_GAS_GAUGE_OCV_VOL_H	0x63
+#define RK817_GAS_GAUGE_OCV_VOL_L	0x64
+#define RK817_GAS_GAUGE_PWRON_VOL_H	0x6b
+#define RK817_GAS_GAUGE_PWRON_VOL_L	0x6c
+#define RK817_GAS_GAUGE_PWRON_CUR_H	0x6d
+#define RK817_GAS_GAUGE_PWRON_CUR_L	0x6e
+#define RK817_GAS_GAUGE_OFF_CNT		0x6f
+#define RK817_GAS_GAUGE_Q_INIT_H3	0x70
+#define RK817_GAS_GAUGE_Q_INIT_H2	0x71
+#define RK817_GAS_GAUGE_Q_INIT_L1	0x72
+#define RK817_GAS_GAUGE_Q_INIT_L0	0x73
+#define RK817_GAS_GAUGE_Q_PRES_H3	0x74
+#define RK817_GAS_GAUGE_Q_PRES_H2	0x75
+#define RK817_GAS_GAUGE_Q_PRES_L1	0x76
+#define RK817_GAS_GAUGE_Q_PRES_L0	0x77
+#define RK817_GAS_GAUGE_BAT_VOL_H	0x78
+#define RK817_GAS_GAUGE_BAT_VOL_L	0x79
+#define RK817_GAS_GAUGE_BAT_CUR_H	0x7a
+#define RK817_GAS_GAUGE_BAT_CUR_L	0x7b
+#define RK817_GAS_GAUGE_USB_VOL_H	0x7e
+#define RK817_GAS_GAUGE_USB_VOL_L	0x7f
+#define RK817_GAS_GAUGE_SYS_VOL_H	0x80
+#define RK817_GAS_GAUGE_SYS_VOL_L	0x81
+#define RK817_GAS_GAUGE_Q_MAX_H3	0x82
+#define RK817_GAS_GAUGE_Q_MAX_H2	0x83
+#define RK817_GAS_GAUGE_Q_MAX_L1	0x84
+#define RK817_GAS_GAUGE_Q_MAX_L0	0x85
+#define RK817_GAS_GAUGE_SLEEP_CON_SAMP_CUR_H	0x8f
+#define RK817_GAS_GAUGE_SLEEP_CON_SAMP_CUR_L	0x90
+#define RK817_GAS_GAUGE_CAL_OFFSET_H	0x91
+#define RK817_GAS_GAUGE_CAL_OFFSET_L	0x92
+#define RK817_GAS_GAUGE_VCALIB0_H	0x93
+#define RK817_GAS_GAUGE_VCALIB0_L	0x94
+#define RK817_GAS_GAUGE_VCALIB1_H	0x95
+#define RK817_GAS_GAUGE_VCALIB1_L	0x96
+#define RK817_GAS_GAUGE_IOFFSET_H	0x97
+#define RK817_GAS_GAUGE_IOFFSET_L	0x98
+#define RK817_GAS_GAUGE_BAT_R1		0x9a
+#define RK817_GAS_GAUGE_BAT_R2		0x9b
+#define RK817_GAS_GAUGE_BAT_R3		0x9c
+#define RK817_GAS_GAUGE_DATA0		0x9d
+#define RK817_GAS_GAUGE_DATA1		0x9e
+#define RK817_GAS_GAUGE_DATA2		0x9f
+#define RK817_GAS_GAUGE_DATA3		0xa0
+#define RK817_GAS_GAUGE_DATA4		0xa1
+#define RK817_GAS_GAUGE_DATA5		0xa2
+#define RK817_GAS_GAUGE_CUR_ADC_K0	0xb0
+
 #define RK817_POWER_EN_REG(i)		(0xb1 + (i))
 #define RK817_POWER_SLP_EN_REG(i)	(0xb5 + (i))
 
@@ -544,10 +615,30 @@ enum rk809_reg_id {
 #define RK817_LDO_ON_VSEL_REG(idx)	(0xcc + (idx) * 2)
 #define RK817_BOOST_OTG_CFG		(0xde)
 
+#define RK817_PMIC_CHRG_OUT		0xe4
+#define RK817_CHRG_VOL_SEL		(0x07 << 4)
+#define RK817_CHRG_CUR_SEL		(0x07 << 0)
+
+#define RK817_PMIC_CHRG_IN		0xe5
+#define RK817_USB_VLIM_EN		(0x01 << 7)
+#define RK817_USB_VLIM_SEL		(0x07 << 4)
+#define RK817_USB_ILIM_EN		(0x01 << 3)
+#define RK817_USB_ILIM_SEL		(0x07 << 0)
+#define RK817_PMIC_CHRG_TERM		0xe6
+#define RK817_CHRG_TERM_ANA_DIG		(0x01 << 2)
+#define RK817_CHRG_TERM_ANA_SEL		(0x03 << 0)
+#define RK817_CHRG_EN			(0x01 << 6)
+
+#define RK817_PMIC_CHRG_STS		0xeb
+#define RK817_BAT_EXS			BIT(7)
+#define RK817_CHG_STS			(0x07 << 4)
+
 #define RK817_ID_MSB			0xed
 #define RK817_ID_LSB			0xee
 
 #define RK817_SYS_STS			0xf0
+#define RK817_PLUG_IN_STS		(0x1 << 6)
+
 #define RK817_SYS_CFG(i)		(0xf1 + (i))
 
 #define RK817_ON_SOURCE_REG		0xf5