Hello Tom, Simon Glass wrote: > This series brings in an I2C driver for Tegra which can be > configured by a flat device tree. > > It supports 8- and 16-bit addresses and both the normal I2C ports and > the DVC port (for controlling the power management unit (PMU)). > > Recent Linux bindings are used, based on example .dts files found in > branch for-3.3/dt at: > > git://git.kernel.org/pub/scm/linux/kernel/git/olof/tegra.git > > (I could not find the actual binding documentation to include here) > > Note: There is still an open question on I2C2 pinmux. The idea of an > 'nvidia,pinmux-config' settings did not find favour, so we have no way > of passing the correct config to funcmux for this port. Therefore we have > disabled it for now. The impact on Seaboard is that the TPM and battery > charger cannot be accessed. > > I am sending this series to the linux-tegra list also, and will do so for > future series also. This is because anything to do with fdt also affects > the kernel bindings. Please advise if this is not useful. > > Changes in v2: > - Add build warning if CONFIG_SYS_I2C_INIT_BOARD is not defined > - Adjust definitions to fit new peripheral clock bindings > - Change 'speed' to 'clock-frequency' > - Change i2c array to static > - Disable port 2 as it is not used > - Make i2c/dvc decision come from fdt > - Remove i2c configuring using CONFIG (use fdt instead) > - Remove u-boot,pinmux binding (sadly) > - 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 > - Add comments and warning for mixed alias use in fdtdec > - Add new patch to support 16-bit clock divisors required by I2C > - Change i2c_init() to reset speed and override the fdt setting > - Fix i2c_addr_ok() function to check addresses correctly > - Move speed setting from tegra20.dtsi to board .dts file > - Rename driver to tegra_i2c since it will later be shared with Tegra3 > - Tidy up I2C speed selection to use the peripheral clock > - Use CONFIG_TEGRA_I2C instead of CONFIG_TEGRA2_I2C > > Simon Glass (8): > tegra: Rename NV_PA_PMC_BASE to TEGRA2_PMC_BASE > fdt: Add function to allow aliases to refer to multiple nodes > tegra: Enhance clock support to handle 16-bit clock divisors > tegra: fdt: i2c: Add extra I2C bindings for U-Boot > tegra: i2c: Initialise I2C on Nvidia boards > tegra: i2c: Select I2C ordering for Seaboard > tegra: i2c: Select number of controllers for Tegra2 boards > tegra: i2c: Enable I2C on Seaboard > > Yen Lin (1): > tegra: i2c: Add I2C driver > > arch/arm/cpu/armv7/tegra2/ap20.c | 10 +- > arch/arm/cpu/armv7/tegra2/board.c | 2 +- > arch/arm/cpu/armv7/tegra2/clock.c | 63 ++- > arch/arm/dts/tegra20.dtsi | 6 +- > arch/arm/include/asm/arch-tegra2/clk_rst.h | 10 +- > arch/arm/include/asm/arch-tegra2/tegra2.h | 4 +- > arch/arm/include/asm/arch-tegra2/tegra_i2c.h | 160 ++++++++ > board/nvidia/common/board.c | 7 + > board/nvidia/dts/tegra2-seaboard.dts | 21 + > drivers/i2c/Makefile | 1 + > drivers/i2c/tegra_i2c.c | 566 ++++++++++++++++++++++++++ > include/configs/seaboard.h | 8 + > include/configs/tegra2-common.h | 3 + > include/fdtdec.h | 25 ++ > lib/fdtdec.c | 24 +- > 15 files changed, 873 insertions(+), 37 deletions(-) > create mode 100644 arch/arm/include/asm/arch-tegra2/tegra_i2c.h > create mode 100644 drivers/i2c/tegra_i2c.c Do you want to pick up this patchserie? So I can send my Ack for it. If I should pick it up, please send your Acked-by, thanks! 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
