diff options
| author | Anton Staaf <robotboy@chromium.org> | 2011-07-06 13:19:44 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2011-08-29 10:58:57 -0700 |
| commit | e8dec207c28ddd16877d2c04ad725b9f3d944854 (patch) | |
| tree | 8fae67ef3265c2cb9353873f88aea2a3727dbdac /common/fdt_decode.c | |
| parent | 95a1fba652775984d27fe8ec632147f588b556b6 (diff) | |
i2c: Add FDT support
BUG=chromium-os:17064
TEST=Build U-Boot
Run "i2c probe" for each i2c bus on Seaboard, Kaen and Aebl
Change-Id: I1528a6c08d500c001a1210f9947c494b7ffc81f6
Reviewed-on: http://gerrit.chromium.org/gerrit/4049
Tested-by: Anton Staaf <robotboy@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'common/fdt_decode.c')
| -rw-r--r-- | common/fdt_decode.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/common/fdt_decode.c b/common/fdt_decode.c index 95124f13c6..da2c6ff7c8 100644 --- a/common/fdt_decode.c +++ b/common/fdt_decode.c @@ -40,6 +40,7 @@ static const char *compat_names[COMPAT_COUNT] = { COMPAT(NVIDIA_TEGRA250_USB, "nvidia,tegra250-usb"), COMPAT(NVIDIA_TEGRA250_SDHCI, "nvidia,tegra250-sdhci"), COMPAT(NVIDIA_TEGRA250_KBC, "nvidia,tegra250-kbc"), + COMPAT(NVIDIA_TEGRA250_I2C, "nvidia,tegra250-i2c"), }; /** @@ -603,3 +604,16 @@ int fdt_decode_kbc(const void *blob, int node, struct fdt_kbc *config) config->ctrl_keycode, FDT_KBC_KEY_COUNT); return err; } + +int fdt_decode_i2c(const void *blob, int node, struct fdt_i2c *config) +{ + config->reg = (struct i2c_ctlr *)get_addr(blob, node, "reg"); + config->pinmux = get_int(blob, node, "pinmux", 0); + config->speed = get_int(blob, node, "speed", 0); + config->periph_id = get_int(blob, node, "periph-id", -1); + + if (config->periph_id == -1) + return -FDT_ERR_MISSING; + + return 0; +} |