3  * arizona-spi.c  --  Arizona SPI bus interface
23 #include <linux/mfd/arizona/core.h>
25 #include "arizona.h"
39  * not provide mappings for the GPIO-s coming from the Arizona codec itself.
42 	{ "arizona", 2, "wlf,spkvdd-ena", 0, GPIO_ACTIVE_HIGH },
43 	{ "arizona", 4, "wlf,micd-pol", 0, GPIO_ACTIVE_LOW },
52 static int arizona_spi_acpi_windows_probe(struct arizona *arizona)  in arizona_spi_acpi_windows_probe()  argument
59 	devm_acpi_dev_add_driver_gpios(arizona->dev, arizona_acpi_gpios);  in arizona_spi_acpi_windows_probe()
62 	lookup = devm_kzalloc(arizona->dev,  in arizona_spi_acpi_windows_probe()
68 	lookup->dev_id = dev_name(arizona->dev);  in arizona_spi_acpi_windows_probe()
72 	ret = devm_add_action_or_reset(arizona->dev, arizona_spi_acpi_remove_lookup, lookup);  in arizona_spi_acpi_windows_probe()
77 	status = acpi_evaluate_object(ACPI_HANDLE(arizona->dev), "CLKE", NULL, NULL);  in arizona_spi_acpi_windows_probe()
79 		dev_warn(arizona->dev, "Failed to enable 32KHz clk ACPI error %d\n", status);  in arizona_spi_acpi_windows_probe()
85 static int arizona_spi_acpi_android_probe(struct arizona *arizona)  in arizona_spi_acpi_android_probe()  argument
94 	arizona->pdata.reset = devm_gpiod_get(arizona->dev, "reset", GPIOD_OUT_LOW);  in arizona_spi_acpi_android_probe()
95 	if (IS_ERR(arizona->pdata.reset)) {  in arizona_spi_acpi_android_probe()
96 		ret = PTR_ERR(arizona->pdata.reset);  in arizona_spi_acpi_android_probe()
98 			dev_info_once(arizona->dev,  in arizona_spi_acpi_android_probe()
102 		return dev_err_probe(arizona->dev, ret, "getting reset GPIO\n");  in arizona_spi_acpi_android_probe()
118  * value from extcon-arizona.c:arizona_micd_levels halfway 2 button resistances.
127 static int arizona_spi_acpi_probe(struct arizona *arizona)  in arizona_spi_acpi_probe()  argument
129 	struct acpi_device *adev = ACPI_COMPANION(arizona->dev);  in arizona_spi_acpi_probe()
133 		ret = arizona_spi_acpi_android_probe(arizona);  in arizona_spi_acpi_probe()
135 		ret = arizona_spi_acpi_windows_probe(arizona);  in arizona_spi_acpi_probe()
153 	arizona->pdata.irq_flags = IRQF_TRIGGER_LOW;  in arizona_spi_acpi_probe()
156 	arizona->pdata.micd_detect_debounce = 200;  in arizona_spi_acpi_probe()
159 	arizona->pdata.micd_ranges = arizona_micd_aosp_ranges;  in arizona_spi_acpi_probe()
160 	arizona->pdata.num_micd_ranges = ARRAY_SIZE(arizona_micd_aosp_ranges);  in arizona_spi_acpi_probe()
163 	arizona->pdata.hpdet_channel = ARIZONA_ACCDET_MODE_HPL;  in arizona_spi_acpi_probe()
185 static int arizona_spi_acpi_probe(struct arizona *arizona)  in arizona_spi_acpi_probe()  argument
193 	struct arizona *arizona;  in arizona_spi_probe()  local
225 	arizona = devm_kzalloc(&spi->dev, sizeof(*arizona), GFP_KERNEL);  in arizona_spi_probe()
226 	if (arizona == NULL)  in arizona_spi_probe()
229 	arizona->regmap = devm_regmap_init_spi(spi, regmap_config);  in arizona_spi_probe()
230 	if (IS_ERR(arizona->regmap)) {  in arizona_spi_probe()
231 		ret = PTR_ERR(arizona->regmap);  in arizona_spi_probe()
237 	arizona->type = type;  in arizona_spi_probe()
238 	arizona->dev = &spi->dev;  in arizona_spi_probe()
239 	arizona->irq = spi->irq;  in arizona_spi_probe()
242 		ret = arizona_spi_acpi_probe(arizona);  in arizona_spi_probe()
247 	return arizona_dev_init(arizona);  in arizona_spi_probe()
252 	struct arizona *arizona = spi_get_drvdata(spi);  in arizona_spi_remove()  local
254 	arizona_dev_exit(arizona);  in arizona_spi_remove()
281 		.name	= "arizona",
294 MODULE_DESCRIPTION("Arizona SPI bus interface");