drivers/mfd/mt6397-core.c

1 // SPDX-License-Identifier: GPL-2.0-only
20 #include <linux/mfd/mt6397/core.h>
26 #include <linux/mfd/mt6397/registers.h>
113 		.name = "mt6323-rtc",
116 		.of_compatible = "mediatek,mt6323-rtc",
118 		.name = "mt6323-regulator",
119 		.of_compatible = "mediatek,mt6323-regulator"
121 		.name = "mt6323-led",
122 		.of_compatible = "mediatek,mt6323-led"
124 		.name = "mtk-pmic-keys",
127 		.of_compatible = "mediatek,mt6323-keys"
129 		.name = "mt6323-pwrc",
132 		.of_compatible = "mediatek,mt6323-pwrc"
138 		.name = "mt6359-auxadc",
139 		.of_compatible = "mediatek,mt6357-auxadc"
141 		.name = "mt6357-regulator",
143 		.name = "mt6357-rtc",
146 		.of_compatible = "mediatek,mt6357-rtc",
148 		.name = "mt6357-sound",
149 		.of_compatible = "mediatek,mt6357-sound"
151 		.name = "mtk-pmic-keys",
154 		.of_compatible = "mediatek,mt6357-keys"
161 		.name = "mt6331-rtc",
164 		.of_compatible = "mediatek,mt6331-rtc",
166 		.name = "mt6331-regulator",
167 		.of_compatible = "mediatek,mt6331-regulator"
169 		.name = "mt6332-regulator",
170 		.of_compatible = "mediatek,mt6332-regulator"
172 		.name = "mtk-pmic-keys",
175 		.of_compatible = "mediatek,mt6331-keys"
181 		.name = "mt6359-auxadc",
182 		.of_compatible = "mediatek,mt6358-auxadc"
184 		.name = "mt6358-regulator",
185 		.of_compatible = "mediatek,mt6358-regulator"
187 		.name = "mt6358-rtc",
190 		.of_compatible = "mediatek,mt6358-rtc",
192 		.name = "mt6358-sound",
193 		.of_compatible = "mediatek,mt6358-sound"
195 		.name = "mt6358-keys",
198 		.of_compatible = "mediatek,mt6358-keys"
204 		.name = "mt6359-auxadc",
205 		.of_compatible = "mediatek,mt6359-auxadc"
207 	{ .name = "mt6359-regulator", },
209 		.name = "mt6359-rtc",
212 		.of_compatible = "mediatek,mt6358-rtc",
214 	{ .name = "mt6359-sound", },
216 		.name = "mtk-pmic-keys",
219 		.of_compatible = "mediatek,mt6359-keys"
225 		.name = "mt6397-rtc",
228 		.of_compatible = "mediatek,mt6397-rtc",
230 		.name = "mt6397-regulator",
231 		.of_compatible = "mediatek,mt6397-regulator",
233 		.name = "mt6397-codec",
234 		.of_compatible = "mediatek,mt6397-codec",
236 		.name = "mt6397-clk",
237 		.of_compatible = "mediatek,mt6397-clk",
239 		.name = "mt6397-pinctrl",
240 		.of_compatible = "mediatek,mt6397-pinctrl",
242 		.name = "mtk-pmic-keys",
245 		.of_compatible = "mediatek,mt6397-keys"
312 	pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);  in mt6397_probe()
314 		return -ENOMEM;  in mt6397_probe()
316 	pmic->dev = &pdev->dev;  in mt6397_probe()
319 	 * mt6397 MFD is child device of soc pmic wrapper.  in mt6397_probe()
322 	pmic->regmap = dev_get_regmap(pdev->dev.parent, NULL);  in mt6397_probe()
323 	if (!pmic->regmap)  in mt6397_probe()
324 		return -ENODEV;  in mt6397_probe()
326 	pmic_core = of_device_get_match_data(&pdev->dev);  in mt6397_probe()
328 		return -ENODEV;  in mt6397_probe()
330 	ret = regmap_read(pmic->regmap, pmic_core->cid_addr, &id);  in mt6397_probe()
332 		dev_err(&pdev->dev, "Failed to read chip id: %d\n", ret);  in mt6397_probe()
336 	pmic->chip_id = (id >> pmic_core->cid_shift) & 0xff;  in mt6397_probe()
340 	pmic->irq = platform_get_irq(pdev, 0);  in mt6397_probe()
341 	if (pmic->irq <= 0)  in mt6397_probe()
342 		return pmic->irq;  in mt6397_probe()
344 	ret = pmic_core->irq_init(pmic);  in mt6397_probe()
348 	ret = devm_mfd_add_devices(&pdev->dev, PLATFORM_DEVID_NONE,  in mt6397_probe()
349 				   pmic_core->cells, pmic_core->cell_size,  in mt6397_probe()
350 				   NULL, 0, pmic->irq_domain);  in mt6397_probe()
352 		irq_domain_remove(pmic->irq_domain);  in mt6397_probe()
353 		dev_err(&pdev->dev, "failed to add child devices: %d\n", ret);  in mt6397_probe()
376 		.compatible = "mediatek,mt6397",
385 	{ "mt6397", 0 },
393 		.name = "mt6397",
402 MODULE_DESCRIPTION("Driver for MediaTek MT6397 PMIC");