xref: /openbmc/linux/include/linux/jz4740-adc.h (revision b2441318)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 
3 #ifndef __LINUX_JZ4740_ADC
4 #define __LINUX_JZ4740_ADC
5 
6 struct device;
7 
8 /*
9  * jz4740_adc_set_config - Configure a JZ4740 adc device
10  * @dev: Pointer to a jz4740-adc device
11  * @mask: Mask for the config value to be set
12  * @val: Value to be set
13  *
14  * This function can be used by the JZ4740 ADC mfd cells to configure their
15  * options in the shared config register.
16 */
17 int jz4740_adc_set_config(struct device *dev, uint32_t mask, uint32_t val);
18 
19 #define JZ_ADC_CONFIG_SPZZ		BIT(31)
20 #define JZ_ADC_CONFIG_EX_IN		BIT(30)
21 #define JZ_ADC_CONFIG_DNUM_MASK		(0x7 << 16)
22 #define JZ_ADC_CONFIG_DMA_ENABLE	BIT(15)
23 #define JZ_ADC_CONFIG_XYZ_MASK		(0x2 << 13)
24 #define JZ_ADC_CONFIG_SAMPLE_NUM_MASK	(0x7 << 10)
25 #define JZ_ADC_CONFIG_CLKDIV_MASK	(0xf << 5)
26 #define JZ_ADC_CONFIG_BAT_MB		BIT(4)
27 
28 #define JZ_ADC_CONFIG_DNUM(dnum)	((dnum) << 16)
29 #define JZ_ADC_CONFIG_XYZ_OFFSET(dnum)	((xyz) << 13)
30 #define JZ_ADC_CONFIG_SAMPLE_NUM(x)	((x) << 10)
31 #define JZ_ADC_CONFIG_CLKDIV(div)	((div) << 5)
32 
33 #endif
34