Hi Sascha,
On Wednesday 02 March 2016 17:07:41 Sascha Hauer wrote:
> diff --git a/arch/arm/boards/karo-tx6x/pmic-rn5t567.c
> b/arch/arm/boards/karo-tx6x/pmic-rn5t567.c new file mode 100644
> index 0000000..363ffbc
> --- /dev/null
> +++ b/arch/arm/boards/karo-tx6x/pmic-rn5t567.c
> [...]
> +int rn5t567_pmic_setup(struct i2c_client *client)
> +{
> + int ret;
> + unsigned char value;
> +
> + ret = i2c_read_reg(client, 0x11, &value, 1);
> + if (ret != 1) {
> + pr_err("i2c read error\n");
> + return ret;
> + }
> +
> + ret = rn5t567_setup_regs(client, rn5t567_regs,
> + ARRAY_SIZE(rn5t567_regs));
> + if (ret)
> + return ret;
> +
> + ret = i2c_read_reg(client, RN5T567_DC1DAC, &value, 1);
> + if (ret == 1)
> + pr_debug("VDDCORE set to %umV\n", regval_to_mV(value));
> + else
> + pr_err("i2c read error\n");
> +
> + ret = i2c_read_reg(client, RN5T567_DC2DAC, &value, 1);
> + if (ret == 1)
> + pr_debug("VDDSOC set to %umV\n", regval_to_mV(value));
In the case of a successfull init this will return '1' and barebox then prints
an annoying error message like this:
Karo-tx6: PMIC setup failed with error -1
> [...]
--
Pengutronix e.K. | Juergen Borleis |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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