[PATCH 2/3] phy: qcom: edp: Add per-version LDO configuration callback

Konrad Dybcio konrad.dybcio at oss.qualcomm.com
Fri Feb 6 02:52:59 PST 2026


On 2/5/26 10:20 AM, Yongxing Mou wrote:
> Introduce the com_ldo_config callback to support per‑PHY LDO
> configuration.
> 
> Signed-off-by: Yongxing Mou <yongxing.mou at oss.qualcomm.com>
> ---

[...]

> +static int qcom_edp_ldo_config_v4(const struct qcom_edp *edp)
> +{
> +	const struct phy_configure_opts_dp *dp_opts = &edp->dp_opts;
> +	u32 ldo_config;
> +
> +	if (!edp->is_edp)
> +		ldo_config = 0x0;
> +	else if (dp_opts->link_rate <= 2700)
> +		ldo_config = 0xC1;

lowercase hex, please

> +	else
> +		ldo_config = 0x81;
> +
> +	writel(ldo_config, edp->tx0 + TXn_LDO_CONFIG);
> +	writel(ldo_config, edp->tx1 + TXn_LDO_CONFIG);

tx1 should be dp_ops->lanes ? 2 : ldo_config : 0x00, in all cases,
I believe

Konrad



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