1 // SPDX-License-Identifier: GPL-2.0-only
8 #include <linux/clk-provider.h>
44 	return 1 << (div_factor - 1);  in div_factor_to_div()
56 	regmap_read(clkdiv->regmap, clkdiv->base + REG_EN_CTL, &val);  in is_spmi_pmic_clkdiv_enabled()
66 	unsigned int ns = clkdiv->cxo_period_ns;  in __spmi_pmic_clkdiv_set_enable_state()
69 	ret = regmap_update_bits(clkdiv->regmap, clkdiv->base + REG_EN_CTL,  in __spmi_pmic_clkdiv_set_enable_state()
86 	regmap_read(clkdiv->regmap, clkdiv->base + REG_DIV_CTL1, &div_factor);  in spmi_pmic_clkdiv_set_enable_state()
98 	spin_lock_irqsave(&clkdiv->lock, flags);  in clk_spmi_pmic_div_enable()
100 	spin_unlock_irqrestore(&clkdiv->lock, flags);  in clk_spmi_pmic_div_enable()
110 	spin_lock_irqsave(&clkdiv->lock, flags);  in clk_spmi_pmic_div_disable()
112 	spin_unlock_irqrestore(&clkdiv->lock, flags);  in clk_spmi_pmic_div_disable()
133 	regmap_read(clkdiv->regmap, clkdiv->base + REG_DIV_CTL1, &div_factor);  in clk_spmi_pmic_div_recalc_rate()
147 	guard(spinlock_irqsave)(&clkdiv->lock);  in clk_spmi_pmic_div_set_rate()
156 	ret = regmap_update_bits(clkdiv->regmap, clkdiv->base + REG_DIV_CTL1,  in clk_spmi_pmic_div_set_rate()
184 	int idx = clkspec->args[0] - 1; /* Start at 1 instead of 0 */  in spmi_pmic_div_clk_hw_get()
186 	if (idx < 0 || idx >= cc->nclks) {  in spmi_pmic_div_clk_hw_get()
188 		       __func__, clkspec->args[0], cc->nclks);  in spmi_pmic_div_clk_hw_get()
189 		return ERR_PTR(-EINVAL);  in spmi_pmic_div_clk_hw_get()
192 	return &cc->clks[idx].hw;  in spmi_pmic_div_clk_hw_get()
202 	struct device *dev = &pdev->dev;  in spmi_pmic_clkdiv_probe()
203 	struct device_node *of_node = dev->of_node;  in spmi_pmic_clkdiv_probe()
215 	regmap = dev_get_regmap(dev->parent, NULL);  in spmi_pmic_clkdiv_probe()
218 		return -EINVAL;  in spmi_pmic_clkdiv_probe()
221 	ret = of_property_read_u32(of_node, "qcom,num-clkdivs", &nclks);  in spmi_pmic_clkdiv_probe()
223 		dev_err(dev, "qcom,num-clkdivs property reading failed, ret=%d\n",  in spmi_pmic_clkdiv_probe()
229 		return -EINVAL;  in spmi_pmic_clkdiv_probe()
233 		return -ENOMEM;  in spmi_pmic_clkdiv_probe()
234 	cc->nclks = nclks;  in spmi_pmic_clkdiv_probe()
239 		if (ret != -EPROBE_DEFER)  in spmi_pmic_clkdiv_probe()
251 	for (i = 0, clkdiv = cc->clks; i < nclks; i++) {  in spmi_pmic_clkdiv_probe()
269 	{ .compatible = "qcom,spmi-clkdiv" },
276 		.name	= "qcom,spmi-pmic-clkdiv",