[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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