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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-09-21 20:54:47 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-09-23 17:05:38 +0100
commit213eb0fb1e8e4ddfb8ffdb239c45ba2a1eef3dc2 (patch)
treed4948222b55798383eb5c02867efc791db82e98e /include/sound
parent85a843c50ffb3597928968250a3f552a45b1b9de (diff)
downloadlinux-213eb0fb1e8e4ddfb8ffdb239c45ba2a1eef3dc2.tar.bz2
ASoC: Add platform data for WM1250 EV1 GPIOs
The WM1250 EV1 has some GPIOs which can be used to control the behaviour at runtime. Request them all if supplied and add a set_bias_level() function to start and stop the clocks. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'include/sound')
-rw-r--r--include/sound/wm1250-ev1.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/sound/wm1250-ev1.h b/include/sound/wm1250-ev1.h
new file mode 100644
index 000000000000..7dff82834123
--- /dev/null
+++ b/include/sound/wm1250-ev1.h
@@ -0,0 +1,27 @@
+/*
+ * linux/sound/wm1250-ev1.h - Platform data for WM1250-EV1
+ *
+ * Copyright 2011 Wolfson Microelectronics. PLC.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_SND_WM1250_EV1_H
+#define __LINUX_SND_WM1250_EV1_H
+
+#define WM1250_EV1_NUM_GPIOS 5
+
+#define WM1250_EV1_GPIO_CLK_ENA 0
+#define WM1250_EV1_GPIO_CLK_SEL0 1
+#define WM1250_EV1_GPIO_CLK_SEL1 2
+#define WM1250_EV1_GPIO_OSR 3
+#define WM1250_EV1_GPIO_MASTER 4
+
+
+struct wm1250_ev1_pdata {
+ int gpios[WM1250_EV1_NUM_GPIOS];
+};
+
+#endif