From: citral23 <cbranchereau@gmail.com>
To: paul@crapouillou.net
Cc: jic23@kernel.org, lars@metafoo.de, linux-mips@vger.kernel.org,
linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
robh+dt@kernel.org, devicetree@vger.kernel.org,
linux@roeck-us.net, contact@artur-rojek.eu,
citral23 <cbranchereau@gmail.com>
Subject: [PATCH 3/6] iio/adc: ingenic: add JZ4760 support to the sadc driver
Date: Wed, 21 Jul 2021 12:53:14 +0200 [thread overview]
Message-ID: <20210721105317.36742-4-cbranchereau@gmail.com> (raw)
In-Reply-To: <20210721105317.36742-1-cbranchereau@gmail.com>
Signed-off-by: citral23 <cbranchereau@gmail.com>
---
drivers/iio/adc/ingenic-adc.c | 64 +++++++++++++++++++++++++++++++++++
1 file changed, 64 insertions(+)
diff --git a/drivers/iio/adc/ingenic-adc.c b/drivers/iio/adc/ingenic-adc.c
index 40f2d8c2cf72..285e7aa8e37a 100644
--- a/drivers/iio/adc/ingenic-adc.c
+++ b/drivers/iio/adc/ingenic-adc.c
@@ -71,6 +71,7 @@
#define JZ4725B_ADC_BATTERY_HIGH_VREF_BITS 10
#define JZ4740_ADC_BATTERY_HIGH_VREF (7500 * 0.986)
#define JZ4740_ADC_BATTERY_HIGH_VREF_BITS 12
+#define JZ4760_ADC_BATTERY_VREF 2500
#define JZ4770_ADC_BATTERY_VREF 1200
#define JZ4770_ADC_BATTERY_VREF_BITS 12
@@ -295,6 +296,10 @@ static const int jz4740_adc_battery_scale_avail[] = {
JZ_ADC_BATTERY_LOW_VREF, JZ_ADC_BATTERY_LOW_VREF_BITS,
};
+static const int jz4760_adc_battery_scale_avail[] = {
+ JZ4760_ADC_BATTERY_VREF, JZ4770_ADC_BATTERY_VREF_BITS,
+};
+
static const int jz4770_adc_battery_raw_avail[] = {
0, 1, (1 << JZ4770_ADC_BATTERY_VREF_BITS) - 1,
};
@@ -339,6 +344,8 @@ static int jz4725b_adc_init_clk_div(struct device *dev, struct ingenic_adc *adc)
return 0;
}
+
+
static int jz4770_adc_init_clk_div(struct device *dev, struct ingenic_adc *adc)
{
struct clk *parent_clk;
@@ -400,6 +407,47 @@ static const struct iio_chan_spec jz4740_channels[] = {
},
};
+static const struct iio_chan_spec jz4760_channels[] = {
+ {
+ .extend_name = "aux0",
+ .type = IIO_VOLTAGE,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_SCALE),
+ .indexed = 1,
+ .channel = INGENIC_ADC_AUX0,
+ .scan_index = -1,
+ },
+ {
+ .extend_name = "aux",
+ .type = IIO_VOLTAGE,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_SCALE),
+ .indexed = 1,
+ .channel = INGENIC_ADC_AUX,
+ .scan_index = -1,
+ },
+ {
+ .extend_name = "battery",
+ .type = IIO_VOLTAGE,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_SCALE),
+ .info_mask_separate_available = BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_SCALE),
+ .indexed = 1,
+ .channel = INGENIC_ADC_BATTERY,
+ .scan_index = -1,
+ },
+ {
+ .extend_name = "aux2",
+ .type = IIO_VOLTAGE,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_SCALE),
+ .indexed = 1,
+ .channel = INGENIC_ADC_AUX2,
+ .scan_index = -1,
+ },
+};
+
static const struct iio_chan_spec jz4770_channels[] = {
{
.type = IIO_VOLTAGE,
@@ -526,6 +574,20 @@ static const struct ingenic_adc_soc_data jz4740_adc_soc_data = {
.init_clk_div = NULL, /* no ADCLK register on JZ4740 */
};
+static const struct ingenic_adc_soc_data jz4760_adc_soc_data = {
+ .battery_high_vref = JZ4760_ADC_BATTERY_VREF,
+ .battery_high_vref_bits = JZ4770_ADC_BATTERY_VREF_BITS,
+ .battery_raw_avail = jz4770_adc_battery_raw_avail,
+ .battery_raw_avail_size = ARRAY_SIZE(jz4770_adc_battery_raw_avail),
+ .battery_scale_avail = jz4760_adc_battery_scale_avail,
+ .battery_scale_avail_size = ARRAY_SIZE(jz4760_adc_battery_scale_avail),
+ .battery_vref_mode = false,
+ .has_aux_md = true,
+ .channels = jz4760_channels,
+ .num_channels = ARRAY_SIZE(jz4760_channels),
+ .init_clk_div = jz4770_adc_init_clk_div,
+};
+
static const struct ingenic_adc_soc_data jz4770_adc_soc_data = {
.battery_high_vref = JZ4770_ADC_BATTERY_VREF,
.battery_high_vref_bits = JZ4770_ADC_BATTERY_VREF_BITS,
@@ -621,6 +683,7 @@ static int ingenic_adc_read_raw(struct iio_dev *iio_dev,
return ingenic_adc_read_chan_info_raw(iio_dev, chan, val);
case IIO_CHAN_INFO_SCALE:
switch (chan->channel) {
+ case INGENIC_ADC_AUX0:
case INGENIC_ADC_AUX:
case INGENIC_ADC_AUX2:
*val = JZ_ADC_AUX_VREF;
@@ -832,6 +895,7 @@ static int ingenic_adc_probe(struct platform_device *pdev)
static const struct of_device_id ingenic_adc_of_match[] = {
{ .compatible = "ingenic,jz4725b-adc", .data = &jz4725b_adc_soc_data, },
{ .compatible = "ingenic,jz4740-adc", .data = &jz4740_adc_soc_data, },
+ { .compatible = "ingenic,jz4760-adc", .data = &jz4760_adc_soc_data, },
{ .compatible = "ingenic,jz4770-adc", .data = &jz4770_adc_soc_data, },
{ },
};
--
2.30.2
next prev parent reply other threads:[~2021-07-21 11:23 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-21 10:53 [PATCH] Ingenic: iio/adc: add JZ4760(B) support to the citral23
2021-07-21 10:53 ` [PATCH 1/6] iio/adc: ingenic: rename has_aux2 to has_aux_md citral23
2021-07-21 17:46 ` Paul Cercueil
2021-07-21 10:53 ` [PATCH 2/6] dt-bindings: iio/adc: add an INGENIC_ADC_AUX0 entry citral23
2021-07-21 17:46 ` Paul Cercueil
2021-07-21 10:53 ` citral23 [this message]
2021-07-21 18:15 ` [PATCH 3/6] iio/adc: ingenic: add JZ4760 support to the sadc driver Paul Cercueil
2021-07-22 5:09 ` Christophe Branchereau
2021-07-22 5:23 ` Guenter Roeck
2021-07-23 8:58 ` [PATCH V2 0/5] iio/adc: ingenic: add support for the JZ4760(B) Socs to the ingenic " Christophe Branchereau
2021-07-23 8:58 ` [PATCH V2 1/5] iio/adc: ingenic: rename has_aux2 to has_aux_md Christophe Branchereau
2021-07-23 8:58 ` [PATCH V2 2/5] dt-bindings: iio/adc: add an INGENIC_ADC_AUX0 entry Christophe Branchereau
2021-07-23 8:58 ` [PATCH V2 3/5] iio/adc: ingenic: add JZ4760 support to the sadc driver Christophe Branchereau
2021-07-23 8:58 ` [PATCH V2 4/5] iio/adc: ingenic: add JZ4760B " Christophe Branchereau
2021-07-23 16:15 ` Jonathan Cameron
2021-07-23 8:58 ` [PATCH V2 5/5] dt-bindings: iio/adc: ingenic: add the JZ4760(B) socs to the sadc Documentation Christophe Branchereau
2021-07-23 16:16 ` Jonathan Cameron
2021-07-24 7:33 ` Christophe Branchereau
2021-07-24 15:23 ` Jonathan Cameron
2021-07-23 16:03 ` [PATCH V2 0/5] iio/adc: ingenic: add support for the JZ4760(B) Socs to the ingenic sadc driver Jonathan Cameron
2021-07-23 16:13 ` [PATCH 3/6] iio/adc: ingenic: add JZ4760 support to the " Jonathan Cameron
2021-07-21 10:53 ` [PATCH 4/6] iio/adc: ingenic: add JZ4760B " citral23
2021-07-21 18:24 ` Paul Cercueil
2021-07-21 10:53 ` [PATCH 5/6] iio/adc: ingenic: modify citral23
2021-07-21 18:28 ` Paul Cercueil
2021-07-21 10:53 ` [PATCH 6/6] dt-bindings: iio/adc: ingenic: add the JZ4760(B) socs to the sadc Documentation citral23
2021-07-21 19:17 ` Paul Cercueil
2021-07-23 16:10 ` Jonathan Cameron
2021-07-22 2:09 ` Rob Herring
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