Hello Simon, Simon Glass wrote: > From: Yen Lin <yelin@xxxxxxxxxx> > > Add basic i2c driver for Tegra2 with 8- and 16-bit address support. > The driver requires CONFIG_OF_CONTROL to obtain its configuration > from the device tree. > > (Simon Glass: sjg@xxxxxxxxxxxx modified for upstream) > > Signed-off-by: Simon Glass <sjg@xxxxxxxxxxxx> > --- > Changes in v2: > - Adjust definitions to fit new peripheral clock bindings > - Change i2c array to static > - Make i2c/dvc decision come from fdt > - Remove i2c configuring using CONFIG (use fdt instead) > - Return an error if an unavailable i2c bus is selected > - Simplify code in i2c_addr_ok() > - Tidy comment style > - Use DIV_ROUND_UP() instead of a home-grown macro > - Use new fdtdec alias decode function > > Changes in v3: > - Add TEGRA_I2C_NUM_CONTROLLERS to select number of I2C ports > - Add comment on how to select pinmux for I2C2 > - Change i2c_init() to reset speed and override the fdt setting > - Fix i2c_addr_ok() function to check addresses correctly > - Rename driver to tegra_i2c since it will later be shared with Tegra3 > - Tidy up I2C speed selection to use the peripheral clock > > arch/arm/include/asm/arch-tegra2/tegra_i2c.h | 160 ++++++++ > drivers/i2c/Makefile | 1 + > drivers/i2c/tegra_i2c.c | 566 ++++++++++++++++++++++++++ > include/fdtdec.h | 2 + > lib/fdtdec.c | 2 + > 5 files changed, 731 insertions(+), 0 deletions(-) > create mode 100644 arch/arm/include/asm/arch-tegra2/tegra_i2c.h > create mode 100644 drivers/i2c/tegra_i2c.c Acked-by: Heiko Schocher <hs@xxxxxxx> bye, Heiko -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
