ucmb: Fix the lowlevel protocol

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14549 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 38 insertions, 0 deletions

diff --git a/package/ucmb/driver/ucmb.h b/package/ucmb/driver/ucmb.h
new file mode 100644
index 000000000..94fdc6420
--- /dev/null
+++ b/package/ucmb/driver/ucmb.h
@@ -0,0 +1,38 @@
+#ifndef LINUX_UCMB_H_
+#define LINUX_UCMB_H_
+
+#include <linux/types.h>
+
+/**
+ * struct ucmb_platform_data - UCMB device descriptor
+ *
+ * @name:		The name of the device. This will also be the name of
+ *			the misc char device.
+ *
+ * @gpio_cs:		The chipselect GPIO pin. Can be SPI_GPIO_NO_CHIPSELECT.
+ * @gpio_sck:		The clock GPIO pin.
+ * @gpio_miso:		The master-in slave-out GPIO pin.
+ * @gpio_mosi:		The master-out slave-in GPIO pin.
+ *
+ * @mode:		The SPI bus mode. SPI_MODE_*
+ * @max_speed_hz:	The bus speed, in Hz. If zero the speed is not limited.
+ * @msg_delay_ms:	The message delay time, in milliseconds.
+ *			This is the time the microcontroller takes to process
+ *			one message.
+ */
+struct ucmb_platform_data {
+	const char *name;
+
+	unsigned long gpio_cs;
+	unsigned int gpio_sck;
+	unsigned int gpio_miso;
+	unsigned int gpio_mosi;
+
+	u8 mode;
+	u32 max_speed_hz;
+	unsigned int msg_delay_ms;
+
+	struct platform_device *pdev; /* internal */
+};
+
+#endif /* LINUX_UCMB_H_ */