mfd: ab8500-debug: Add support for ab8505 and ab9540

Make it possible to dump all registers in ab8505 and ab9540.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 372 insertions, 11 deletions

diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c
index 969e43db8485..074eea9e4bfd 100644
--- a/drivers/mfd/ab8500-debugfs.c
+++ b/drivers/mfd/ab8500-debugfs.c
@@ -156,7 +156,9 @@ static struct hwreg_cfg hwreg_cfg = {
 
 #define AB8500_REV_REG 0x80
 
-static struct ab8500_prcmu_ranges debug_ranges[AB8500_NUM_BANKS] = {
+static struct ab8500_prcmu_ranges *debug_ranges;
+
+struct ab8500_prcmu_ranges ab8500_debug_ranges[AB8500_NUM_BANKS] = {
         [0x0] = {
                 .num_ranges = 0,
                 .range = NULL,
@@ -360,7 +362,7 @@ static struct ab8500_prcmu_ranges debug_ranges[AB8500_NUM_BANKS] = {
                         },
                         {
                                 .first = 0xf5,
-                                .last = 0xf6,
+                                .last = 0xf6,
                         },
                 },
         },
@@ -485,6 +487,365 @@ static struct ab8500_prcmu_ranges debug_ranges[AB8500_NUM_BANKS] = {
         },
 };
 
+struct ab8500_prcmu_ranges ab8505_debug_ranges[AB8500_NUM_BANKS] = {
+        [0x0] = {
+                .num_ranges = 0,
+                .range = NULL,
+        },
+        [AB8500_SYS_CTRL1_BLOCK] = {
+                .num_ranges = 5,
+                .range = (struct ab8500_reg_range[]) {
+                        {
+                                .first = 0x00,
+                                .last = 0x04,
+                        },
+                        {
+                                .first = 0x42,
+                                .last = 0x42,
+                        },
+                        {
+                                .first = 0x52,
+                                .last = 0x52,
+                        },
+                        {
+                                .first = 0x54,
+                                .last = 0x57,
+                        },
+                        {
+                                .first = 0x80,
+                                .last = 0x83,
+                        },
+                },
+        },
+        [AB8500_SYS_CTRL2_BLOCK] = {
+                .num_ranges = 5,
+                .range = (struct ab8500_reg_range[]) {
+                        {
+                                .first = 0x00,
+                                .last = 0x0D,
+                        },
+                        {
+                                .first = 0x0F,
+                                .last = 0x17,
+                        },
+                        {
+                                .first = 0x20,
+                                .last = 0x20,
+                        },
+                        {
+                                .first = 0x30,
+                                .last = 0x30,
+                        },
+                        {
+                                .first = 0x32,
+                                .last = 0x3A,
+                        },
+                },
+        },
+        [AB8500_REGU_CTRL1] = {
+                .num_ranges = 3,
+                .range = (struct ab8500_reg_range[]) {
+                        {
+                                .first = 0x00,
+                                .last = 0x00,
+                        },
+                        {
+                                .first = 0x03,
+                                .last = 0x11,
+                        },
+                        {
+                                .first = 0x80,
+                                .last = 0x86,
+                        },
+                },
+        },
+        [AB8500_REGU_CTRL2] = {
+                .num_ranges = 6,
+                .range = (struct ab8500_reg_range[]) {
+                        {
+                                .first = 0x00,
+                                .last = 0x06,
+                        },
+                        {
+                                .first = 0x08,
+                                .last = 0x15,
+                        },
+                        {
+                                .first = 0x17,
+                                .last = 0x19,
+                        },
+                        {
+                                .first = 0x1B,
+                                .last = 0x1D,
+                        },
+                        {
+                                .first = 0x1F,
+                                .last = 0x30,
+                        },
+                        {
+                                .first = 0x40,
+                                .last = 0x48,
+                        },
+                        /* 0x80-0x8B is SIM registers and should
+                         * not be accessed from here */
+                },
+        },
+        [AB8500_USB] = {
+                .num_ranges = 3,
+                .range = (struct ab8500_reg_range[]) {
+                        {
+                                .first = 0x80,
+                                .last = 0x83,
+                        },
+                        {
+                                .first = 0x87,
+                                .last = 0x8A,
+                        },
+                        {
+                                .first = 0x91,
+                                .last = 0x94,
+                        },
+                },
+        },
+        [AB8500_TVOUT] = {
+                .num_ranges = 0,
+                .range = NULL,
+        },
+        [AB8500_DBI] = {
+                .num_ranges = 0,
+                .range = NULL,
+        },
+        [AB8500_ECI_AV_ACC] = {
+                .num_ranges = 1,
+                .range = (struct ab8500_reg_range[]) {
+                        {
+                                .first = 0x80,
+                                .last = 0x82,
+                        },
+                },
+        },
+        [AB8500_RESERVED] = {
+                .num_ranges = 0,
+                .range = NULL,
+        },
+        [AB8500_GPADC] = {
+                .num_ranges = 1,
+                .range = (struct ab8500_reg_range[]) {
+                        {
+                                .first = 0x00,
+                                .last = 0x08,
+                        },
+                },
+        },
+        [AB8500_CHARGER] = {
+                .num_ranges = 9,
+                .range = (struct ab8500_reg_range[]) {
+                        {
+                                .first = 0x02,
+                                .last = 0x03,
+                        },
+                        {
+                                .first = 0x05,
+                                .last = 0x05,
+                        },
+                        {
+                                .first = 0x40,
+                                .last = 0x44,
+                        },
+                        {
+                                .first = 0x50,
+                                .last = 0x57,
+                        },
+                        {
+                                .first = 0x60,
+                                .last = 0x60,
+                        },
+                        {
+                                .first = 0xA0,
+                                .last = 0xA7,
+                        },
+                        {
+                                .first = 0xAF,
+                                .last = 0xB2,
+                        },
+                        {
+                                .first = 0xC0,
+                                .last = 0xC2,
+                        },
+                        {
+                                .first = 0xF5,
+                                .last = 0xF5,
+                        },
+                },
+        },
+        [AB8500_GAS_GAUGE] = {
+                .num_ranges = 3,
+                .range = (struct ab8500_reg_range[]) {
+                        {
+                                .first = 0x00,
+                                .last = 0x00,
+                        },
+                        {
+                                .first = 0x07,
+                                .last = 0x0A,
+                        },
+                        {
+                                .first = 0x10,
+                                .last = 0x14,
+                        },
+                },
+        },
+        [AB8500_AUDIO] = {
+                .num_ranges = 1,
+                .range = (struct ab8500_reg_range[]) {
+                        {
+                                .first = 0x00,
+                                .last = 0x83,
+                        },
+                },
+        },
+        [AB8500_INTERRUPT] = {
+                .num_ranges = 11,
+                .range = (struct ab8500_reg_range[]) {
+                        {
+                                .first = 0x00,
+                                .last = 0x04,
+                        },
+                        {
+                                .first = 0x06,
+                                .last = 0x07,
+                        },
+                        {
+                                .first = 0x09,
+                                .last = 0x09,
+                        },
+                        {
+                                .first = 0x0B,
+                                .last = 0x0C,
+                        },
+                        {
+                                .first = 0x12,
+                                .last = 0x15,
+                        },
+                        {
+                                .first = 0x18,
+                                .last = 0x18,
+                        },
+                        /* Latch registers should not be read here */
+                        {
+                                .first = 0x40,
+                                .last = 0x44,
+                        },
+                        {
+                                .first = 0x46,
+                                .last = 0x49,
+                        },
+                        {
+                                .first = 0x4B,
+                                .last = 0x4D,
+                        },
+                        {
+                                .first = 0x52,
+                                .last = 0x55,
+                        },
+                        {
+                                .first = 0x58,
+                                .last = 0x58,
+                        },
+                        /* LatchHier registers should not be read here */
+                },
+        },
+        [AB8500_RTC] = {
+                .num_ranges = 2,
+                .range = (struct ab8500_reg_range[]) {
+                        {
+                                .first = 0x00,
+                                .last = 0x14,
+                        },
+                        {
+                                .first = 0x16,
+                                .last = 0x17,
+                        },
+                },
+        },
+        [AB8500_MISC] = {
+                .num_ranges = 8,
+                .range = (struct ab8500_reg_range[]) {
+                        {
+                                .first = 0x00,
+                                .last = 0x06,
+                        },
+                        {
+                                .first = 0x10,
+                                .last = 0x16,
+                        },
+                        {
+                                .first = 0x20,
+                                .last = 0x26,
+                        },
+                        {
+                                .first = 0x30,
+                                .last = 0x36,
+                        },
+                        {
+                                .first = 0x40,
+                                .last = 0x46,
+                        },
+                        {
+                                .first = 0x50,
+                                .last = 0x50,
+                        },
+                        {
+                                .first = 0x60,
+                                .last = 0x6B,
+                        },
+                        {
+                                .first = 0x80,
+                                .last = 0x82,
+                        },
+                },
+        },
+        [AB8500_DEVELOPMENT] = {
+                .num_ranges = 2,
+                .range = (struct ab8500_reg_range[]) {
+                        {
+                                .first = 0x00,
+                                .last = 0x00,
+                        },
+                        {
+                                .first = 0x05,
+                                .last = 0x05,
+                        },
+                },
+        },
+        [AB8500_DEBUG] = {
+                .num_ranges = 1,
+                .range = (struct ab8500_reg_range[]) {
+                        {
+                                .first = 0x05,
+                                .last = 0x07,
+                        },
+                },
+        },
+        [AB8500_PROD_TEST] = {
+                .num_ranges = 0,
+                .range = NULL,
+        },
+        [AB8500_STE_TEST] = {
+                .num_ranges = 0,
+                .range = NULL,
+        },
+        [AB8500_OTP_EMUL] = {
+                .num_ranges = 1,
+                .range = (struct ab8500_reg_range[]) {
+                        {
+                                .first = 0x01,
+                                .last = 0x15,
+                        },
+                },
+        },
+};
+
 static irqreturn_t ab8500_debug_handler(int irq, void *data)
 {
         char buf[16];
@@ -529,9 +890,6 @@ static int ab8500_registers_print(struct device *dev, u32 bank,
                                 err = seq_printf(s, "  [0x%02X/0x%02X]: 0x%02X\n",
                                         bank, reg, value);
                                 if (err < 0) {
-                                        dev_err(dev,
-                                        "seq_printf overflow bank=0x%02X reg=0x%02X\n",
-                                                bank, reg);
                                         /* Error is not returned here since
                                          * the output is wanted in any case */
                                         return 0;
@@ -581,8 +939,6 @@ static int ab8500_print_all_banks(struct seq_file *s, void *p)
 
         for (i = 1; i < AB8500_NUM_BANKS; i++) {
                 err = seq_printf(s, " bank 0x%02X:\n", i);
-                if (err < 0)
-                        dev_err(dev, "seq_printf overflow, bank=0x%02X\n", i);
 
                 ab8500_registers_print(dev, i, s);
         }
@@ -1937,14 +2293,19 @@ static int ab8500_debug_probe(struct platform_device *plf)
         if (!file)
                 goto err;
 
-        if (is_ab8500(ab8500))
+        if (is_ab8500(ab8500)) {
+                debug_ranges = ab8500_debug_ranges;
                 num_interrupt_lines = AB8500_NR_IRQS;
-        else if (is_ab8505(ab8500))
+        } else if (is_ab8505(ab8500)) {
+                debug_ranges = ab8505_debug_ranges;
                 num_interrupt_lines = AB8505_NR_IRQS;
-        else if (is_ab9540(ab8500))
+        } else if (is_ab9540(ab8500)) {
+                debug_ranges = ab8505_debug_ranges;
                 num_interrupt_lines = AB9540_NR_IRQS;
-        else if (is_ab8540(ab8500))
+        } else if (is_ab8540(ab8500)) {
+                debug_ranges = ab8505_debug_ranges;
                 num_interrupt_lines = AB8540_NR_IRQS;
+        }
 
         file = debugfs_create_file("interrupts", (S_IRUGO),
             ab8500_dir, &plf->dev, &ab8500_interrupts_fops);