mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-20 06:08:41 +07:00
wlcore/wl12xx: spi: add power operation function
The power function uses a consumer regulator access to update the WiFi enable GPIO value. Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il> Tested-By: Sebastian Reichel <sre@kernel.org> Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Acked-by: Igor Grinberg <grinberg@compulab.co.il> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
parent
7a26019fde
commit
4c1ce07bcf
@ -30,6 +30,7 @@
|
|||||||
#include <linux/spi/spi.h>
|
#include <linux/spi/spi.h>
|
||||||
#include <linux/wl12xx.h>
|
#include <linux/wl12xx.h>
|
||||||
#include <linux/platform_device.h>
|
#include <linux/platform_device.h>
|
||||||
|
#include <linux/regulator/consumer.h>
|
||||||
|
|
||||||
#include "wlcore.h"
|
#include "wlcore.h"
|
||||||
#include "wl12xx_80211.h"
|
#include "wl12xx_80211.h"
|
||||||
@ -81,6 +82,7 @@
|
|||||||
struct wl12xx_spi_glue {
|
struct wl12xx_spi_glue {
|
||||||
struct device *dev;
|
struct device *dev;
|
||||||
struct platform_device *core;
|
struct platform_device *core;
|
||||||
|
struct regulator *reg; /* Power regulator */
|
||||||
};
|
};
|
||||||
|
|
||||||
static void wl12xx_spi_reset(struct device *child)
|
static void wl12xx_spi_reset(struct device *child)
|
||||||
@ -318,11 +320,40 @@ static int __must_check wl12xx_spi_raw_write(struct device *child, int addr,
|
|||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* wl12xx_spi_set_power - power on/off the wl12xx unit
|
||||||
|
* @child: wl12xx device handle.
|
||||||
|
* @enable: true/false to power on/off the unit.
|
||||||
|
*
|
||||||
|
* use the WiFi enable regulator to enable/disable the WiFi unit.
|
||||||
|
*/
|
||||||
|
static int wl12xx_spi_set_power(struct device *child, bool enable)
|
||||||
|
{
|
||||||
|
int ret = 0;
|
||||||
|
struct wl12xx_spi_glue *glue = dev_get_drvdata(child->parent);
|
||||||
|
|
||||||
|
WARN_ON(!glue->reg);
|
||||||
|
|
||||||
|
/* Update regulator state */
|
||||||
|
if (enable) {
|
||||||
|
ret = regulator_enable(glue->reg);
|
||||||
|
if (ret)
|
||||||
|
dev_err(child, "Power enable failure\n");
|
||||||
|
} else {
|
||||||
|
ret = regulator_disable(glue->reg);
|
||||||
|
if (ret)
|
||||||
|
dev_err(child, "Power disable failure\n");
|
||||||
|
}
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
static struct wl1271_if_operations spi_ops = {
|
static struct wl1271_if_operations spi_ops = {
|
||||||
.read = wl12xx_spi_raw_read,
|
.read = wl12xx_spi_raw_read,
|
||||||
.write = wl12xx_spi_raw_write,
|
.write = wl12xx_spi_raw_write,
|
||||||
.reset = wl12xx_spi_reset,
|
.reset = wl12xx_spi_reset,
|
||||||
.init = wl12xx_spi_init,
|
.init = wl12xx_spi_init,
|
||||||
|
.power = wl12xx_spi_set_power,
|
||||||
.set_block_size = NULL,
|
.set_block_size = NULL,
|
||||||
};
|
};
|
||||||
|
|
||||||
@ -353,6 +384,14 @@ static int wl1271_probe(struct spi_device *spi)
|
|||||||
* comes from the board-peripherals file */
|
* comes from the board-peripherals file */
|
||||||
spi->bits_per_word = 32;
|
spi->bits_per_word = 32;
|
||||||
|
|
||||||
|
glue->reg = devm_regulator_get(&spi->dev, "vwlan");
|
||||||
|
if (PTR_ERR(glue->reg) == -EPROBE_DEFER)
|
||||||
|
return -EPROBE_DEFER;
|
||||||
|
if (IS_ERR(glue->reg)) {
|
||||||
|
dev_err(glue->dev, "can't get regulator\n");
|
||||||
|
return PTR_ERR(glue->reg);
|
||||||
|
}
|
||||||
|
|
||||||
ret = spi_setup(spi);
|
ret = spi_setup(spi);
|
||||||
if (ret < 0) {
|
if (ret < 0) {
|
||||||
dev_err(glue->dev, "spi_setup failed\n");
|
dev_err(glue->dev, "spi_setup failed\n");
|
||||||
|
Loading…
Reference in New Issue
Block a user