While the register list (and names) between ADC0 and ADC1 are pretty
close, the bits inside changed a little bit. To avoid any future
confusion, let's add the TSC prefix when some bits are in a register
that is common to both revisions of the ADC, but are specific to the
am33xx hardware.
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
---
drivers/mfd/ti_am335x_tscadc.c | 10 +++++-----
include/linux/mfd/ti_am335x_tscadc.h | 16 ++++++++--------
2 files changed, 13 insertions(+), 13 deletions(-)
diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c
index eba5fba8cf78..2fdee0f4814f 100644
--- a/drivers/mfd/ti_am335x_tscadc.c
+++ b/drivers/mfd/ti_am335x_tscadc.c
@@ -220,13 +220,13 @@ static int ti_tscadc_probe(struct platform_device *pdev)
regmap_write(tscadc->regmap, REG_CLKDIV, tscadc->clk_div);
/* Set the control register bits */
- tscadc->ctrl = CNTRLREG_STEPCONFIGWRT | CNTRLREG_STEPID;
+ tscadc->ctrl = CNTRLREG_TSC_STEPCONFIGWRT | CNTRLREG_STEPID;
if (tsc_wires > 0) {
- tscadc->ctrl |= CNTRLREG_TSCENB;
+ tscadc->ctrl |= CNTRLREG_TSC_ENB;
if (tsc_wires == 5)
- tscadc->ctrl |= CNTRLREG_5WIRE;
+ tscadc->ctrl |= CNTRLREG_TSC_5WIRE;
else
- tscadc->ctrl |= CNTRLREG_4WIRE;
+ tscadc->ctrl |= CNTRLREG_TSC_4WIRE;
}
regmap_write(tscadc->regmap, REG_CTRL, tscadc->ctrl);
@@ -326,7 +326,7 @@ static const struct ti_tscadc_data tscdata = {
.compat_tscmag = "ti,am3359-tsc",
.name_adc = "TI-am335x-adc",
.compat_adc = "ti,am3359-adc",
- .target_clk_rate = ADC_CLK,
+ .target_clk_rate = TSC_ADC_CLK,
};
static const struct of_device_id ti_tscadc_dt_ids[] = {
diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h
index 271b5aefc474..29d3195b0193 100644
--- a/include/linux/mfd/ti_am335x_tscadc.h
+++ b/include/linux/mfd/ti_am335x_tscadc.h
@@ -113,14 +113,14 @@
/* Control register */
#define CNTRLREG_SSENB BIT(0)
#define CNTRLREG_STEPID BIT(1)
-#define CNTRLREG_STEPCONFIGWRT BIT(2)
+#define CNTRLREG_TSC_STEPCONFIGWRT BIT(2)
#define CNTRLREG_POWERDOWN BIT(4)
-#define CNTRLREG_AFE_CTRL_MASK GENMASK(6, 5)
-#define CNTRLREG_AFE_CTRL(val) FIELD_PREP(CNTRLREG_AFE_CTRL_MASK, (val))
-#define CNTRLREG_4WIRE CNTRLREG_AFE_CTRL(1)
-#define CNTRLREG_5WIRE CNTRLREG_AFE_CTRL(2)
-#define CNTRLREG_8WIRE CNTRLREG_AFE_CTRL(3)
-#define CNTRLREG_TSCENB BIT(7)
+#define CNTRLREG_TSC_AFE_CTRL_MASK GENMASK(6, 5)
+#define CNTRLREG_TSC_AFE_CTRL(val) FIELD_PREP(CNTRLREG_TSC_AFE_CTRL_MASK, (val))
+#define CNTRLREG_TSC_4WIRE CNTRLREG_TSC_AFE_CTRL(1)
+#define CNTRLREG_TSC_5WIRE CNTRLREG_TSC_AFE_CTRL(2)
+#define CNTRLREG_TSC_8WIRE CNTRLREG_TSC_AFE_CTRL(3)
+#define CNTRLREG_TSC_ENB BIT(7)
/* FIFO READ Register */
#define FIFOREAD_DATA_MASK GENMASK(11, 0)
@@ -134,7 +134,7 @@
#define SEQ_STATUS BIT(5)
#define CHARGE_STEP 0x11
-#define ADC_CLK 3000000
+#define TSC_ADC_CLK 3000000
#define TOTAL_STEPS 16
#define TOTAL_CHANNELS 8
#define FIFO1_THRESHOLD 19
--
2.27.0
