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Subject[PATCH v4 07/22] ASoC: tegra20: spdif: Support device-tree
Date
Tegra20 S/PDIF driver was added in a pre-DT era and was never used since
that time. Revive driver by adding device-tree support.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
sound/soc/tegra/tegra20_spdif.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/sound/soc/tegra/tegra20_spdif.c b/sound/soc/tegra/tegra20_spdif.c
index e45e371edc42..801784915004 100644
--- a/sound/soc/tegra/tegra20_spdif.c
+++ b/sound/soc/tegra/tegra20_spdif.c
@@ -10,6 +10,7 @@
#include <linux/device.h>
#include <linux/io.h>
#include <linux/module.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
@@ -270,7 +271,7 @@ static int tegra20_spdif_platform_probe(struct platform_device *pdev)

dev_set_drvdata(&pdev->dev, spdif);

- spdif->clk_spdif_out = devm_clk_get(&pdev->dev, "spdif_out");
+ spdif->clk_spdif_out = devm_clk_get(&pdev->dev, "out");
if (IS_ERR(spdif->clk_spdif_out)) {
pr_err("Can't retrieve spdif clock\n");
ret = PTR_ERR(spdif->clk_spdif_out);
@@ -340,10 +341,17 @@ static const struct dev_pm_ops tegra20_spdif_pm_ops = {
tegra20_spdif_runtime_resume, NULL)
};

+static const struct of_device_id tegra20_spdif_of_match[] = {
+ { .compatible = "nvidia,tegra20-spdif", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, tegra20_spdif_of_match);
+
static struct platform_driver tegra20_spdif_driver = {
.driver = {
.name = DRV_NAME,
.pm = &tegra20_spdif_pm_ops,
+ .of_match_table = tegra20_spdif_of_match,
},
.probe = tegra20_spdif_platform_probe,
.remove = tegra20_spdif_platform_remove,
@@ -354,4 +362,3 @@ module_platform_driver(tegra20_spdif_driver);
MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
MODULE_DESCRIPTION("Tegra20 SPDIF ASoC driver");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:" DRV_NAME);
--
2.33.1
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