1 // SPDX-License-Identifier: GPL-2.0
10 #include <linux/mfd/syscon.h>
30 	struct regmap_field *field = lock->priv;  in qcom_hwspinlock_trylock()
47 	struct regmap_field *field = lock->priv;  in qcom_hwspinlock_unlock()
115 	{ .compatible = "qcom,sfpb-mutex", .data = &of_sfpb_mutex },
116 	{ .compatible = "qcom,tcsr-mutex", .data = &of_tcsr_mutex },
117 	{ .compatible = "qcom,apq8084-tcsr-mutex", .data = &of_msm8226_tcsr_mutex },
118 	{ .compatible = "qcom,ipq6018-tcsr-mutex", .data = &of_msm8226_tcsr_mutex },
119 	{ .compatible = "qcom,msm8226-tcsr-mutex", .data = &of_msm8226_tcsr_mutex },
120 	{ .compatible = "qcom,msm8974-tcsr-mutex", .data = &of_msm8226_tcsr_mutex },
121 	{ .compatible = "qcom,msm8994-tcsr-mutex", .data = &of_msm8226_tcsr_mutex },
129 	struct device_node *syscon;  in qcom_hwspinlock_probe_syscon()  local
133 	syscon = of_parse_phandle(pdev->dev.of_node, "syscon", 0);  in qcom_hwspinlock_probe_syscon()
134 	if (!syscon)  in qcom_hwspinlock_probe_syscon()
135 		return ERR_PTR(-ENODEV);  in qcom_hwspinlock_probe_syscon()
137 	regmap = syscon_node_to_regmap(syscon);  in qcom_hwspinlock_probe_syscon()
138 	of_node_put(syscon);  in qcom_hwspinlock_probe_syscon()
142 	ret = of_property_read_u32_index(pdev->dev.of_node, "syscon", 1, base);  in qcom_hwspinlock_probe_syscon()
144 		dev_err(&pdev->dev, "no offset in syscon\n");  in qcom_hwspinlock_probe_syscon()
145 		return ERR_PTR(-EINVAL);  in qcom_hwspinlock_probe_syscon()
148 	ret = of_property_read_u32_index(pdev->dev.of_node, "syscon", 2, stride);  in qcom_hwspinlock_probe_syscon()
150 		dev_err(&pdev->dev, "no stride syscon\n");  in qcom_hwspinlock_probe_syscon()
151 		return ERR_PTR(-EINVAL);  in qcom_hwspinlock_probe_syscon()
161 	struct device *dev = &pdev->dev;  in qcom_hwspinlock_probe_mmio()
165 	if (!data->regmap_config)  in qcom_hwspinlock_probe_mmio()
166 		return ERR_PTR(-EINVAL);  in qcom_hwspinlock_probe_mmio()
168 	*offset = data->offset;  in qcom_hwspinlock_probe_mmio()
169 	*stride = data->stride;  in qcom_hwspinlock_probe_mmio()
175 	return devm_regmap_init_mmio(dev, base, data->regmap_config);  in qcom_hwspinlock_probe_mmio()
189 	if (IS_ERR(regmap) && PTR_ERR(regmap) == -ENODEV)  in qcom_hwspinlock_probe()
196 	bank = devm_kzalloc(&pdev->dev, sizeof(*bank) + array_size, GFP_KERNEL);  in qcom_hwspinlock_probe()
198 		return -ENOMEM;  in qcom_hwspinlock_probe()
207 		bank->lock[i].priv = devm_regmap_field_alloc(&pdev->dev,  in qcom_hwspinlock_probe()
209 		if (IS_ERR(bank->lock[i].priv))  in qcom_hwspinlock_probe()
210 			return PTR_ERR(bank->lock[i].priv);  in qcom_hwspinlock_probe()
213 	return devm_hwspin_lock_register(&pdev->dev, bank, &qcom_hwspinlock_ops,  in qcom_hwspinlock_probe()