@@ -12,12 +12,19 @@
#ifndef __ASM_ARCH_I2C_H
#define __ASM_ARCH_I2C_H
-/* All frequencies are expressed in kHz */
+/**
+ * davinci_i2c_platform_data - Platform data for I2C master device on DaVinci
+ *
+ * @bus_freq: standard bus frequency (kHz)
+ * @bus_delay: post-transaction delay (usec)
+ * @sda_pin: GPIO pin ID to use for SDA
+ * @scl_pin: GPIO pin ID to use for SCL
+ */
struct davinci_i2c_platform_data {
- unsigned int bus_freq; /* standard bus frequency (kHz) */
- unsigned int bus_delay; /* post-transaction delay (usec) */
- unsigned int sda_pin; /* GPIO pin ID to use for SDA */
- unsigned int scl_pin; /* GPIO pin ID to use for SCL */
+ unsigned int bus_freq;
+ unsigned int bus_delay;
+ unsigned int sda_pin;
+ unsigned int scl_pin;
};
/* for board setup code */
The davinci_i2c_platform_data struct is mach-specific but still deserves to be documented using kernel doc. Signed-off-by: Ben Gardiner<bengardiner@nanometrics.ca> Cc: Sekhar Nori <nsekhar@ti.com> Cc: Ben Dooks <ben-linux@fluff.org> --- arch/arm/mach-davinci/include/mach/i2c.h | 17 ++++++++++++----- 1 files changed, 12 insertions(+), 5 deletions(-)