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iio: adc: adi-axi-adc: add struct axi_adc_info

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Add struct axi_adc_info to allow different axi-adc compatibles that can
be added to this generic implementation.

Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
Link: https://patch.msgid.link/20250210-wip-bl-ad7606_add_backend_sw_mode-v4-4-160df18b1da7@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Angelo Dureghello
2025-02-10 17:10:54 +01:00
committed by Jonathan Cameron
parent d2477887f6
commit c4330d0817
1 changed files with 21 additions and 9 deletions
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30
drivers/iio/adc/adi-axi-adc.c
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@@ -80,7 +80,16 @@
ADI_AXI_REG_CHAN_CTRL_FMT_EN | \
ADI_AXI_REG_CHAN_CTRL_ENABLE)
struct axi_adc_info {
unsigned int version;
const struct iio_backend_info *backend_info;
bool has_child_nodes;
const void *pdata;
unsigned int pdata_sz;
};
struct adi_axi_adc_state {
const struct axi_adc_info *info;
struct regmap *regmap;
struct device *dev;
/* lock to protect multiple accesses to the device registers */
@@ -348,7 +357,6 @@ static const struct iio_backend_info adi_axi_adc_generic = {
static int adi_axi_adc_probe(struct platform_device *pdev)
{
const unsigned int *expected_ver;
struct adi_axi_adc_state *st;
void __iomem *base;
unsigned int ver;
@@ -370,8 +378,8 @@ static int adi_axi_adc_probe(struct platform_device *pdev)
return dev_err_probe(&pdev->dev, PTR_ERR(st->regmap),
"failed to init register map\n");
expected_ver = device_get_match_data(&pdev->dev);
if (!expected_ver)
st->info = device_get_match_data(&pdev->dev);
if (!st->info)
return -ENODEV;
clk = devm_clk_get_enabled(&pdev->dev, NULL);
@@ -391,12 +399,13 @@ static int adi_axi_adc_probe(struct platform_device *pdev)
if (ret)
return ret;
if (ADI_AXI_PCORE_VER_MAJOR(ver) != ADI_AXI_PCORE_VER_MAJOR(*expected_ver)) {
if (ADI_AXI_PCORE_VER_MAJOR(ver) !=
ADI_AXI_PCORE_VER_MAJOR(st->info->version)) {
dev_err(&pdev->dev,
"Major version mismatch. Expected %d.%.2d.%c, Reported %d.%.2d.%c\n",
ADI_AXI_PCORE_VER_MAJOR(*expected_ver),
ADI_AXI_PCORE_VER_MINOR(*expected_ver),
ADI_AXI_PCORE_VER_PATCH(*expected_ver),
ADI_AXI_PCORE_VER_MAJOR(st->info->version),
ADI_AXI_PCORE_VER_MINOR(st->info->version),
ADI_AXI_PCORE_VER_PATCH(st->info->version),
ADI_AXI_PCORE_VER_MAJOR(ver),
ADI_AXI_PCORE_VER_MINOR(ver),
ADI_AXI_PCORE_VER_PATCH(ver));
@@ -416,11 +425,14 @@ static int adi_axi_adc_probe(struct platform_device *pdev)
return 0;
}
static unsigned int adi_axi_adc_10_0_a_info = ADI_AXI_PCORE_VER(10, 0, 'a');
static const struct axi_adc_info adc_generic = {
.version = ADI_AXI_PCORE_VER(10, 0, 'a'),
.backend_info = &adi_axi_adc_generic,
};
/* Match table for of_platform binding */
static const struct of_device_id adi_axi_adc_of_match[] = {
{ .compatible = "adi,axi-adc-10.0.a", .data = &adi_axi_adc_10_0_a_info },
{ .compatible = "adi,axi-adc-10.0.a", .data = &adc_generic },
{ /* end of list */ }
};
MODULE_DEVICE_TABLE(of, adi_axi_adc_of_match);