Re: [PATCH 2/2] clk: qcom: dispcc-eliza: Add Eliza display clock controller support

[Konrad Dybcio]

On 3/17/26 11:06 AM, Krzysztof Kozlowski wrote:
> Add a drvier for the display clock controller on Qualcomm Eliza SoC,
> which is copied from SM8750 driver plus changes:
> 
> 1. Additional DT_HDMI_PHY_PLL_CLK clock input,
> 2. Eight new HDMI clocks,
> 3. Different PLLs (lucid and pongo).
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>
> ---

[...]

> +static int disp_cc_eliza_probe(struct platform_device *pdev)
> +{
> +	struct regmap *regmap;
> +	int ret;
> +
> +	ret = devm_pm_runtime_enable(&pdev->dev);

-> qcom_cc_desc.use_rpm

> +	if (ret)
> +		return ret;
> +
> +	ret = pm_runtime_resume_and_get(&pdev->dev);
> +	if (ret)
> +		return ret;
> +
> +	regmap = qcom_cc_map(pdev, &disp_cc_eliza_desc);
> +	if (IS_ERR(regmap)) {
> +		ret = PTR_ERR(regmap);
> +		goto err_put_rpm;
> +	}
> +
> +	clk_lucid_ole_pll_configure(&disp_cc_pll0, regmap, &disp_cc_pll0_config);
> +	clk_lucid_ole_pll_configure(&disp_cc_pll1, regmap, &disp_cc_pll1_config);
> +	clk_pongo_elu_pll_configure(&disp_cc_pll2, regmap, &disp_cc_pll2_config);

-> qcom_cc_driver_data.alpha_plls

> +
> +	/* Enable clock gating for MDP clocks */
> +	regmap_update_bits(regmap, DISP_CC_MISC_CMD, 0x10, 0x10);
> +
> +	/* Keep some clocks always-on */
> +	qcom_branch_set_clk_en(regmap, 0xe07c); /* DISP_CC_SLEEP_CLK */
> +	qcom_branch_set_clk_en(regmap, 0xe05c); /* DISP_CC_XO_CLK */
> +	qcom_branch_set_clk_en(regmap, 0xc00c); /* DISP_CC_MDSS_RSCC_AHB_CLK */
> +	qcom_branch_set_clk_en(regmap, 0xc008); /* DISP_CC_MDSS_RSCC_VSYNC_CLK */

-> qcom_cc_driver_data.clk_regs_configure

Konrad