diff options
| author | Robert Jarzmik <robert.jarzmik@free.fr> | 2018-06-17 12:50:01 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-06-18 12:55:16 +0100 |
| commit | a4519526ebbd261e36425fa1c269515ee0648ab2 (patch) | |
| tree | aa67c4d4b92ee0604d66791d6059b8046b3687f0 /sound/arm/pxa2xx-ac97-lib.c | |
| parent | e2b35e468c89000cf3b8b5beb63fd73dfa8a5435 (diff) | |
| download | linux-a4519526ebbd261e36425fa1c269515ee0648ab2.tar.bz2 | |
ASoC: pxa: add devicetree support
Add the devicetree support, so that the driver can be used in a
devictree platform.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/arm/pxa2xx-ac97-lib.c')
| -rw-r--r-- | sound/arm/pxa2xx-ac97-lib.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sound/arm/pxa2xx-ac97-lib.c b/sound/arm/pxa2xx-ac97-lib.c index 5950a9e218d9..8eafd3d3dff6 100644 --- a/sound/arm/pxa2xx-ac97-lib.c +++ b/sound/arm/pxa2xx-ac97-lib.c @@ -19,6 +19,7 @@ #include <linux/module.h> #include <linux/io.h> #include <linux/gpio.h> +#include <linux/of_gpio.h> #include <sound/pxa2xx-lib.h> @@ -337,6 +338,17 @@ int pxa2xx_ac97_hw_probe(struct platform_device *dev) dev_err(&dev->dev, "Invalid reset GPIO %d\n", pdata->reset_gpio); } + } else if (!pdata && dev->dev.of_node) { + pdata = devm_kzalloc(&dev->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return -ENOMEM; + pdata->reset_gpio = of_get_named_gpio(dev->dev.of_node, + "reset-gpios", 0); + if (pdata->reset_gpio == -ENOENT) + pdata->reset_gpio = -1; + else if (pdata->reset_gpio < 0) + return pdata->reset_gpio; + reset_gpio = pdata->reset_gpio; } else { if (cpu_is_pxa27x()) reset_gpio = 113; |