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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/arm/mach-s3c/dev-audio-s3c64xx.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-s3c/dev-audio-s3c64xx.c')
-rw-r--r--arch/arm/mach-s3c/dev-audio-s3c64xx.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/dev-audio-s3c64xx.c b/arch/arm/mach-s3c/dev-audio-s3c64xx.c
new file mode 100644
index 0000000000..7ce119dc3a
--- /dev/null
+++ b/arch/arm/mach-s3c/dev-audio-s3c64xx.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright 2009 Wolfson Microelectronics
+// Mark Brown <broonie@opensource.wolfsonmicro.com>
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/gpio.h>
+#include <linux/export.h>
+
+#include "irqs.h"
+#include "map.h"
+
+#include "devs.h"
+#include <linux/platform_data/asoc-s3c.h>
+#include "gpio-cfg.h"
+#include "gpio-samsung.h"
+
+static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
+{
+ unsigned int base;
+
+ switch (pdev->id) {
+ case 0:
+ base = S3C64XX_GPD(0);
+ break;
+ case 1:
+ base = S3C64XX_GPE(0);
+ break;
+ case 2:
+ s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
+ return 0;
+ default:
+ printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
+ pdev->id);
+ return -EINVAL;
+ }
+
+ s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
+
+ return 0;
+}
+
+static struct resource s3c64xx_iis0_resource[] = {
+ [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS0, SZ_256),
+};
+
+static struct s3c_audio_pdata i2s0_pdata = {
+ .cfg_gpio = s3c64xx_i2s_cfg_gpio,
+};
+
+struct platform_device s3c64xx_device_iis0 = {
+ .name = "samsung-i2s",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(s3c64xx_iis0_resource),
+ .resource = s3c64xx_iis0_resource,
+ .dev = {
+ .platform_data = &i2s0_pdata,
+ },
+};
+EXPORT_SYMBOL(s3c64xx_device_iis0);
+
+static struct resource s3c64xx_iis1_resource[] = {
+ [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS1, SZ_256),
+};
+
+static struct s3c_audio_pdata i2s1_pdata = {
+ .cfg_gpio = s3c64xx_i2s_cfg_gpio,
+};
+
+struct platform_device s3c64xx_device_iis1 = {
+ .name = "samsung-i2s",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(s3c64xx_iis1_resource),
+ .resource = s3c64xx_iis1_resource,
+ .dev = {
+ .platform_data = &i2s1_pdata,
+ },
+};
+EXPORT_SYMBOL(s3c64xx_device_iis1);