Wolfram Sang <wsa@xxxxxxxxxxxxx> writes: > On Sat, Oct 31, 2015 at 05:35:57PM +0000, Mans Rullgard wrote: >> This adds a driver for the Sigma Designs SMP8642 built-in I2C master >> controller. The hardware is very similar to the I2C controller in the >> Ralink RT3050 chip with the addition of interrupt generation and an >> inverted busy/idle status bit. There are typically two controllers with >> a shared IRQ. >> >> Signed-off-by: Mans Rullgard <mans@xxxxxxxxx> > > Thanks for the driver. Same answer as here, though: > > http://www.spinics.net/lists/linux-i2c/msg17001.html > >> +#define TANGOX_I2C_CONFIG 0x00 >> +#define TANGOX_I2C_CLKDIV 0x04 >> +#define TANGOX_I2C_DEVADDR 0x08 >> +#define TANGOX_I2C_ADDR 0x0c >> +#define TANGOX_I2C_DATAOUT 0x10 >> +#define TANGOX_I2C_DATAIN 0x14 >> +#define TANGOX_I2C_STATUS 0x18 >> +#define TANGOX_I2C_STARTXFER 0x1c >> +#define TANGOX_I2C_BYTECNT 0x20 >> +#define TANGOX_I2C_INT_EN 0x24 >> +#define TANGOX_I2C_INT_STAT 0x28 > > The register set looks like the one from i2c-xlr.c, only that they are > 32 bit apart instead of 8. Can you check if you can reuse that driver? It does look very similar indeed. I thought I'd checked for an existing driver, but apparently I missed that one. I'll modify the xlr driver to handle this hardware as well instead. -- Måns Rullgård mans@xxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
