mfd: tacna: Add cs48l33 support

Change-Id: I2390da4b56e87d85bd72d71cbe96fd049d457457
Signed-off-by: Qi Zhou <[email protected]>

Author: qi-cirrus

drivers/mfd/Kconfig

@@ -252,6 +252,12 @@ config MFD_CS48L32
 	help
 	  Support for Cirrus Logic CS48L32 Smart Codec
 
+config MFD_CS48L33
+	bool "Cirrus Logic CS48L33"
+	depends on MFD_TACNA
+	help
+	  Support for Cirrus Logic CS48L33 Smart Codec
+
 config MFD_ASIC3
 	bool "Compaq ASIC3"
 	depends on GPIOLIB && ARM

drivers/mfd/Makefile

@@ -50,6 +50,9 @@ endif
 ifeq ($(CONFIG_MFD_CS48L32),y)
 obj-$(CONFIG_MFD_TACNA)		+= cs48l32-tables.o
 endif
+ifeq ($(CONFIG_MFD_CS48L33),y)
+obj-$(CONFIG_MFD_TACNA)		+= cs48l32-tables.o
+endif
 obj-$(CONFIG_MFD_TACNA_SPI)	+= tacna-spi.o
 
 obj-$(CONFIG_MFD_ARIZONA)	+= arizona-core.o

drivers/mfd/tacna-core.c

@@ -34,6 +34,7 @@
 
 #define CS47L96_SILICON_ID	0x47a97
 #define CS48L32_SILICON_ID	0x48a32
+#define CS48L33_SILICON_ID	0x48a33
 
 #define TACNA_32K_MCLK1		0
 #define TACNA_32K_MCLK2		1
@@ -110,6 +111,8 @@ const char *tacna_name_from_type(enum tacna_type type)
 		return "CS47L97";
 	case CS48L32:
 		return "CS48L32";
+	case CS48L33:
+		return "CS48L33";
 	default:
 		return "Unknown";
 	}
@@ -292,6 +295,7 @@ unsigned int tacna_get_num_micbias(struct tacna *tacna)
 	case CS47L97:
 		return 2;
 	case CS48L32:
+	case CS48L33:
 		return 1;
 	default:
 		return 0;
@@ -313,6 +317,7 @@ unsigned int tacna_get_num_childbias(struct tacna *tacna, unsigned int micbias)
 			return 0;
 		}
 	case CS48L32:
+	case CS48L33:
 		switch (micbias) {
 		case 0:
 			return 3;
@@ -330,6 +335,7 @@ const struct of_device_id tacna_of_match[] = {
 	{ .compatible = "cirrus,cs47l96", .data = (void *)CS47L96 },
 	{ .compatible = "cirrus,cs47l97", .data = (void *)CS47L97 },
 	{ .compatible = "cirrus,cs48l32", .data = (void *)CS48L32 },
+	{ .compatible = "cirrus,cs48l33", .data = (void *)CS48L33 },
 	{},
 };
 EXPORT_SYMBOL_GPL(tacna_of_match);
@@ -558,6 +564,7 @@ static int tacna_configure_clk32k(struct tacna *tacna)
 		/* Default to something typical for the part */
 		switch (tacna->type) {
 		case CS48L32:
+		case CS48L33:
 			mclk_src = TACNA_32K_MCLK1;
 			break;
 		default:
@@ -724,6 +731,7 @@ int tacna_dev_init(struct tacna *tacna)
 	switch (hwid) {
 	case CS47L96_SILICON_ID:
 	case CS48L32_SILICON_ID:
+	case CS48L33_SILICON_ID:
 		break;
 	default:
 		dev_err(tacna->dev, "Unknown device ID: %x\n", hwid);
@@ -777,6 +785,19 @@ int tacna_dev_init(struct tacna *tacna)
 			}
 		}
 		break;
+	case CS48L33_SILICON_ID:
+		if (IS_ENABLED(CONFIG_MFD_CS48L33)) {
+			switch (tacna->type) {
+			case CS48L33:
+				patch_fn = cs48l32_patch;
+				mfd_devs = cs48l32_devs;
+				n_devs = ARRAY_SIZE(cs48l32_devs);
+				break;
+			default:
+				break;
+			}
+		}
+		break;
 	default:
 		break;
 	}

drivers/mfd/tacna-spi.c

@@ -43,6 +43,10 @@ static int tacna_spi_probe(struct spi_device *spi)
 		if (IS_ENABLED(CONFIG_MFD_CS48L32))
 			regmap_init_fn = cs48l32_init_spi_regmap;
 		break;
+	case CS48L33:
+		if (IS_ENABLED(CONFIG_MFD_CS48L33))
+			regmap_init_fn = cs48l32_init_spi_regmap;
+		break;
 	default:
 		dev_err(&spi->dev, "Unknown Tacna SPI device type %ld\n", type);
 		return -EINVAL;
@@ -87,6 +91,7 @@ static const struct spi_device_id tacna_spi_ids[] = {
 	{ "cs47l96", CS47L96 },
 	{ "cs47l97", CS47L97 },
 	{ "cs48l32", CS48L32 },
+	{ "cs48l33", CS48L33 },
 	{ },
 };
 MODULE_DEVICE_TABLE(spi, tacna_spi_ids);

include/linux/mfd/tacna/core.h

@@ -23,6 +23,7 @@ enum tacna_type {
 	CS47L96 = 4,
 	CS47L97 = 5,
 	CS48L32 = 6,
+	CS48L33 = 7,
 };
 
 #define TACNA_MAX_CORE_SUPPLIES		2