diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/i2c/tegra_i2c.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/i2c/tegra_i2c.c b/drivers/i2c/tegra_i2c.c index c51dd906927..3a94116831b 100644 --- a/drivers/i2c/tegra_i2c.c +++ b/drivers/i2c/tegra_i2c.c @@ -32,6 +32,9 @@ #include <asm/arch/pinmux.h> #include <fdt_decode.h> +/* TODO(sjg): This driver has not been tested with Tegra3 yet */ +#ifdef CONFIG_TEGRA2 + DECLARE_GLOBAL_DATA_PTR; static unsigned int i2c_bus_num; @@ -623,3 +626,30 @@ int i2c_set_bus_num(unsigned int bus) return 0; } #endif + +#else /* not CONFIG_TEGRA2 */ + +/* Not implemented for now */ +int i2c_init_board(void) +{ + printf("i2c support is not available on T30\n"); + return -1; +} + +#endif /* CONFIG_TEGRA2 */ + +void tegra_i2c_ll_write_addr(uint addr, uint config) +{ + struct i2c_ctlr *reg = (struct i2c_ctlr *)TEGRA_DVC_BASE; + + writel(addr, ®->cmd_addr0); + writel(config, ®->cnfg); +} + +void tegra_i2c_ll_write_data(uint data, uint config) +{ + struct i2c_ctlr *reg = (struct i2c_ctlr *)TEGRA_DVC_BASE; + + writel(data, ®->cmd_data1); + writel(config, ®->cnfg); +} |