Message ID | 20210902215144.507243-29-miquel.raynal@bootlin.com |
---|---|
State | New |
Headers | show |
Series | TI AM437X ADC1 | expand |
On Thu, 2 Sep 2021 23:51:26 +0200 Miquel Raynal <miquel.raynal@bootlin.com> wrote: > 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@bootlin.com> Given all I suggested last time was things you've done in earlier patches now this LGTM Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> > --- > 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
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
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@bootlin.com> --- drivers/mfd/ti_am335x_tscadc.c | 10 +++++----- include/linux/mfd/ti_am335x_tscadc.h | 16 ++++++++-------- 2 files changed, 13 insertions(+), 13 deletions(-)