3  * Freescale MXS LRADC ADC driver
18 #include <linux/mfd/mxs-lradc.h>
33  * is enabled, the LRADC takes LRADC_DELAY_TIMER_LOOP samples of data before
43 	"mxs-lradc-channel0",
44 	"mxs-lradc-channel1",
45 	"mxs-lradc-channel2",
46 	"mxs-lradc-channel3",
47 	"mxs-lradc-channel4",
48 	"mxs-lradc-channel5",
52 	"mxs-lradc-thresh0",
53 	"mxs-lradc-thresh1",
54 	"mxs-lradc-channel0",
55 	"mxs-lradc-channel1",
56 	"mxs-lradc-channel2",
57 	"mxs-lradc-channel3",
58 	"mxs-lradc-channel4",
59 	"mxs-lradc-channel5",
60 	"mxs-lradc-button0",
61 	"mxs-lradc-button1",
114 	struct mxs_lradc	*lradc;  member
134 	struct mxs_lradc *lradc = adc->lradc;  in mxs_lradc_adc_read_single()  local
154 	if (lradc->soc == IMX28_LRADC)  in mxs_lradc_adc_read_single()
387 	struct mxs_lradc *lradc = adc->lradc;  in mxs_lradc_adc_handle_irq()  local
391 	if (!(reg & mxs_lradc_irq_mask(lradc)))  in mxs_lradc_adc_handle_irq()
395 		if (reg & lradc->buffer_vchans) {  in mxs_lradc_adc_handle_irq()
404 	writel(reg & mxs_lradc_irq_mask(lradc),  in mxs_lradc_adc_handle_irq()
485 	struct mxs_lradc *lradc = adc->lradc;  in mxs_lradc_adc_buffer_preenable()  local
494 	if (lradc->soc == IMX28_LRADC)  in mxs_lradc_adc_buffer_preenable()
495 		writel(lradc->buffer_vchans << LRADC_CTRL1_LRADC_IRQ_EN_OFFSET,  in mxs_lradc_adc_buffer_preenable()
497 	writel(lradc->buffer_vchans,  in mxs_lradc_adc_buffer_preenable()
523 	struct mxs_lradc *lradc = adc->lradc;  in mxs_lradc_adc_buffer_postdisable()  local
528 	writel(lradc->buffer_vchans,  in mxs_lradc_adc_buffer_postdisable()
530 	if (lradc->soc == IMX28_LRADC)  in mxs_lradc_adc_buffer_postdisable()
531 		writel(lradc->buffer_vchans << LRADC_CTRL1_LRADC_IRQ_EN_OFFSET,  in mxs_lradc_adc_buffer_postdisable()
541 	struct mxs_lradc *lradc = adc->lradc;  in mxs_lradc_adc_validate_scan_mask()  local
546 	if (lradc->use_touchbutton)  in mxs_lradc_adc_validate_scan_mask()
548 	if (lradc->touchscreen_wire == MXS_LRADC_TOUCHSCREEN_4WIRE)  in mxs_lradc_adc_validate_scan_mask()
550 	if (lradc->touchscreen_wire == MXS_LRADC_TOUCHSCREEN_5WIRE)  in mxs_lradc_adc_validate_scan_mask()
553 	if (lradc->use_touchbutton)  in mxs_lradc_adc_validate_scan_mask()
555 	if (lradc->touchscreen_wire)  in mxs_lradc_adc_validate_scan_mask()
690 	struct mxs_lradc *lradc = dev_get_drvdata(dev->parent);  in mxs_lradc_adc_probe()  local
706 	adc->lradc = lradc;  in mxs_lradc_adc_probe()
728 	if (lradc->soc == IMX23_LRADC) {  in mxs_lradc_adc_probe()
767 	adc->vref_mv = mxs_lradc_adc_vref_mv[lradc->soc];  in mxs_lradc_adc_probe()
824 		.name	= "mxs-lradc-adc",
832 MODULE_DESCRIPTION("Freescale MXS LRADC driver general purpose ADC driver");
834 MODULE_ALIAS("platform:mxs-lradc-adc");