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path: root/drivers/staging/wfx/bus_spi.c
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Diffstat (limited to 'drivers/staging/wfx/bus_spi.c')
-rw-r--r--drivers/staging/wfx/bus_spi.c52
1 files changed, 44 insertions, 8 deletions
diff --git a/drivers/staging/wfx/bus_spi.c b/drivers/staging/wfx/bus_spi.c
index 417bb74c88b9..9aa52d76cdda 100644
--- a/drivers/staging/wfx/bus_spi.c
+++ b/drivers/staging/wfx/bus_spi.c
@@ -23,12 +23,36 @@
#define SET_WRITE 0x7FFF /* usage: and operation */
#define SET_READ 0x8000 /* usage: or operation */
-#define WFX_RESET_INVERTED 1
+static const struct wfx_platform_data pdata_wf200 = {
+ .file_fw = "wfm_wf200",
+ .file_pds = "wf200.pds",
+ .use_rising_clk = true,
+};
+
+static const struct wfx_platform_data pdata_brd4001a = {
+ .file_fw = "wfm_wf200",
+ .file_pds = "brd4001a.pds",
+ .use_rising_clk = true,
+};
+
+static const struct wfx_platform_data pdata_brd8022a = {
+ .file_fw = "wfm_wf200",
+ .file_pds = "brd8022a.pds",
+ .use_rising_clk = true,
+};
-static const struct wfx_platform_data wfx_spi_pdata = {
+static const struct wfx_platform_data pdata_brd8023a = {
+ .file_fw = "wfm_wf200",
+ .file_pds = "brd8023a.pds",
+ .use_rising_clk = true,
+};
+
+/* Legacy DT don't use it */
+static const struct wfx_platform_data pdata_wfx_spi = {
.file_fw = "wfm_wf200",
.file_pds = "wf200.pds",
.use_rising_clk = true,
+ .reset_inverted = true,
};
struct wfx_spi_priv {
@@ -175,6 +199,7 @@ static const struct wfx_hwbus_ops wfx_spi_hwbus_ops = {
static int wfx_spi_probe(struct spi_device *func)
{
+ struct wfx_platform_data *pdata;
struct wfx_spi_priv *bus;
int ret;
@@ -183,6 +208,12 @@ static int wfx_spi_probe(struct spi_device *func)
ret = spi_setup(func);
if (ret)
return ret;
+ pdata = (struct wfx_platform_data *)spi_get_device_id(func)->driver_data;
+ if (!pdata) {
+ dev_err(&func->dev, "unable to retrieve driver data (please report)\n");
+ return -ENODEV;
+ }
+
/* Trace below is also displayed by spi_setup() if compiled with DEBUG */
dev_dbg(&func->dev, "SPI params: CS=%d, mode=%d bits/word=%d speed=%d\n",
func->chip_select, func->mode, func->bits_per_word, func->max_speed_hz);
@@ -206,7 +237,7 @@ static int wfx_spi_probe(struct spi_device *func)
dev_warn(&func->dev, "gpio reset is not defined, trying to load firmware anyway\n");
} else {
gpiod_set_consumer_name(bus->gpio_reset, "wfx reset");
- if (spi_get_device_id(func)->driver_data & WFX_RESET_INVERTED)
+ if (pdata->reset_inverted)
gpiod_toggle_active_low(bus->gpio_reset);
gpiod_set_value_cansleep(bus->gpio_reset, 1);
usleep_range(100, 150);
@@ -214,8 +245,7 @@ static int wfx_spi_probe(struct spi_device *func)
usleep_range(2000, 2500);
}
- bus->core = wfx_init_common(&func->dev, &wfx_spi_pdata,
- &wfx_spi_hwbus_ops, bus);
+ bus->core = wfx_init_common(&func->dev, pdata, &wfx_spi_hwbus_ops, bus);
if (!bus->core)
return -EIO;
@@ -235,16 +265,22 @@ static int wfx_spi_remove(struct spi_device *func)
* stripped.
*/
static const struct spi_device_id wfx_spi_id[] = {
- { "wfx-spi", WFX_RESET_INVERTED },
- { "wf200", 0 },
+ { "wf200", (kernel_ulong_t)&pdata_wf200 },
+ { "brd4001a", (kernel_ulong_t)&pdata_brd4001a },
+ { "brd8022a", (kernel_ulong_t)&pdata_brd8022a },
+ { "brd8023a", (kernel_ulong_t)&pdata_brd8023a },
+ { "wfx-spi", (kernel_ulong_t)&pdata_wfx_spi },
{ },
};
MODULE_DEVICE_TABLE(spi, wfx_spi_id);
#ifdef CONFIG_OF
static const struct of_device_id wfx_spi_of_match[] = {
- { .compatible = "silabs,wfx-spi", .data = (void *)WFX_RESET_INVERTED },
{ .compatible = "silabs,wf200" },
+ { .compatible = "silabs,brd4001a" },
+ { .compatible = "silabs,brd8022a" },
+ { .compatible = "silabs,brd8023a" },
+ { .compatible = "silabs,wfx-spi" },
{ },
};
MODULE_DEVICE_TABLE(of, wfx_spi_of_match);