soc/qcom/spm.c

1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.
6  * SAW power controller driver
193 					enum spm_reg reg, u32 val)  in spm_register_write()  argument
195 	if (drv->reg_data->reg_offset[reg])  in spm_register_write()
196 		writel_relaxed(val, drv->reg_base +  in spm_register_write()
197 				drv->reg_data->reg_offset[reg]);  in spm_register_write()
202 					enum spm_reg reg, u32 val)  in spm_register_write_sync()  argument
206 	if (!drv->reg_data->reg_offset[reg])  in spm_register_write_sync()
210 		writel_relaxed(val, drv->reg_base +  in spm_register_write_sync()
211 				drv->reg_data->reg_offset[reg]);  in spm_register_write_sync()
212 		ret = readl_relaxed(drv->reg_base +  in spm_register_write_sync()
213 				drv->reg_data->reg_offset[reg]);  in spm_register_write_sync()
221 				    enum spm_reg reg)  in spm_register_read()  argument
223 	return readl_relaxed(drv->reg_base + drv->reg_data->reg_offset[reg]);  in spm_register_read()
232 	start_index = drv->reg_data->start_index[mode];  in spm_set_low_power_mode()
242 	{ .compatible = "qcom,sdm660-gold-saw2-v4.1-l2",
244 	{ .compatible = "qcom,sdm660-silver-saw2-v4.1-l2",
246 	{ .compatible = "qcom,msm8226-saw2-v2.1-cpu",
248 	{ .compatible = "qcom,msm8909-saw2-v3.0-cpu",
250 	{ .compatible = "qcom,msm8916-saw2-v3.0-cpu",
252 	{ .compatible = "qcom,msm8939-saw2-v3.0-cpu",
254 	{ .compatible = "qcom,msm8974-saw2-v2.1-cpu",
256 	{ .compatible = "qcom,msm8976-gold-saw2-v2.3-l2",
258 	{ .compatible = "qcom,msm8976-silver-saw2-v2.3-l2",
260 	{ .compatible = "qcom,msm8998-gold-saw2-v4.1-l2",
262 	{ .compatible = "qcom,msm8998-silver-saw2-v4.1-l2",
264 	{ .compatible = "qcom,apq8084-saw2-v2.1-cpu",
266 	{ .compatible = "qcom,apq8064-saw2-v1.1-cpu",
278 	drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);  in spm_dev_probe()
280 		return -ENOMEM;  in spm_dev_probe()
282 	drv->reg_base = devm_platform_ioremap_resource(pdev, 0);  in spm_dev_probe()
283 	if (IS_ERR(drv->reg_base))  in spm_dev_probe()
284 		return PTR_ERR(drv->reg_base);  in spm_dev_probe()
286 	match_id = of_match_node(spm_match_table, pdev->dev.of_node);  in spm_dev_probe()
288 		return -ENODEV;  in spm_dev_probe()
290 	drv->reg_data = match_id->data;  in spm_dev_probe()
294 	addr = drv->reg_base + drv->reg_data->reg_offset[SPM_REG_SEQ_ENTRY];  in spm_dev_probe()
295 	__iowrite32_copy(addr, drv->reg_data->seq,  in spm_dev_probe()
296 			ARRAY_SIZE(drv->reg_data->seq) / 4);  in spm_dev_probe()
304 	spm_register_write(drv, SPM_REG_AVS_CTL, drv->reg_data->avs_ctl);  in spm_dev_probe()
305 	spm_register_write(drv, SPM_REG_AVS_LIMIT, drv->reg_data->avs_limit);  in spm_dev_probe()
306 	spm_register_write(drv, SPM_REG_CFG, drv->reg_data->spm_cfg);  in spm_dev_probe()
307 	spm_register_write(drv, SPM_REG_DLY, drv->reg_data->spm_dly);  in spm_dev_probe()
308 	spm_register_write(drv, SPM_REG_PMIC_DLY, drv->reg_data->pmic_dly);  in spm_dev_probe()
310 				drv->reg_data->pmic_data[0]);  in spm_dev_probe()
312 				drv->reg_data->pmic_data[1]);  in spm_dev_probe()
315 	if (drv->reg_data->reg_offset[SPM_REG_SPM_CTL])  in spm_dev_probe()