[PATCH 1/3] ARM: AT91: Add platform data for the ADCs
Maxime Ripard
maxime.ripard at free-electrons.com
Wed Nov 30 04:15:00 EST 2011
Cc: Patrice Vilchez <patrice.vilchez at atmel.com>
Cc: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>
Acked-by: Jonathan Cameron <jic23 at cam.ac.uk>
Signed-off-by: Nicolas Ferre <nicolas.ferre at atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
include/linux/platform_data/at91_adc.h | 36 ++++++++++++++++++++++++++++++++
1 files changed, 36 insertions(+), 0 deletions(-)
create mode 100644 include/linux/platform_data/at91_adc.h
diff --git a/include/linux/platform_data/at91_adc.h b/include/linux/platform_data/at91_adc.h
new file mode 100644
index 0000000..1e1813d
--- /dev/null
+++ b/include/linux/platform_data/at91_adc.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2011 Free Electrons
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _AT91_ADC_H_
+#define _AT91_ADC_H_
+
+struct at91_adc_data {
+ /* ADC Clock as specified by the datasheet, in Hz. */
+ unsigned int adc_clock;
+ /*
+ * Global number of channels available (to specify which channels are
+ * indeed used on the board, see the channels_used bitmask).
+ */
+ u8 num_channels;
+ /* Channels in use on the board as a bitmask */
+ unsigned long channels_used;
+ /* Startup time of the ADC, in microseconds. */
+ u8 startup_time;
+ /* Reference voltage for the ADC in millivolts */
+ unsigned short vref;
+};
+
+extern void __init at91_add_device_adc(struct at91_adc_data *data);
+
+#endif
--
1.7.4.1
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