[U-Boot] [PATCH 12/16] cgtqmx6eval: Add PMIC support
Marek Vasut
marex at denx.de
Mon Jul 13 17:56:28 CEST 2015
On Monday, July 13, 2015 at 05:23:14 PM, Otavio Salvador wrote:
> cgtqmx6eval has a PFUZE100 FSL PMIC connected to I2C2.
>
> Add support for it.
>
> Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
> ---
[..]
> +/* setup board specific PMIC */
> +int power_init_board(void)
> +{
> + struct pmic *p;
> + u32 id1, id2, i;
> + int ret;
> + char const *lv_mipi;
> +
> + /* configure I2C multiplexer */
> + gpio_direction_output(MX6Q_QMX6_PFUZE_MUX, 1);
> +
> + power_pfuze100_init(I2C_PMIC);
> + p = pmic_get("PFUZE100");
> + if (!p)
> + return -EINVAL;
> +
> + ret = pmic_probe(p);
> + if (ret)
> + return ret;
> +
> + pmic_reg_read(p, PFUZE100_DEVICEID, &id1);
> + pmic_reg_read(p, PFUZE100_REVID, &id2);
> + printf("PFUZE100 Rev. [%02x/%02x] detected\n", id1, id2);
> +
> + if (id2 >= 0x20) {
Please trim down the indent hell here ...
if (id2 < 0x20)
return 0;
...
if (!lv_mipi)
return 0;
for (...) {
if (strcmp())
continue;
}
> + /* set level of MIPI if specified */
> + lv_mipi = getenv("lv_mipi");
> + if (lv_mipi) {
> + for (i = 0; i < ARRAY_SIZE(mipi_levels); i++) {
> + if (!strcmp(mipi_levels[i].name, lv_mipi)) {
> + printf("set MIPI level %s\n",
> + mipi_levels[i].name);
> + ret = pmic_reg_write(p,
PFUZE100_VGEN4VOL,
> +
mipi_levels[i].value);
> + if (ret)
> + return ret;
> + }
> + }
> + }
> + }
> +
> + return 0;
> +}
> +
[...]
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