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path: root/drivers/pinctrl/pinctrl-sirf.c
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Diffstat (limited to 'drivers/pinctrl/pinctrl-sirf.c')
-rw-r--r--drivers/pinctrl/pinctrl-sirf.c87
1 files changed, 39 insertions, 48 deletions
diff --git a/drivers/pinctrl/pinctrl-sirf.c b/drivers/pinctrl/pinctrl-sirf.c
index 675497c1514..a3905e58d1b 100644
--- a/drivers/pinctrl/pinctrl-sirf.c
+++ b/drivers/pinctrl/pinctrl-sirf.c
@@ -32,10 +32,10 @@
#define SIRFSOC_NUM_PADS 622
#define SIRFSOC_RSC_PIN_MUX 0x4
-#define SIRFSOC_GPIO_PAD_EN(g) ((g)*0x100 + 0x84)
+#define SIRFSOC_GPIO_PAD_EN(g) ((g)*0x100 + 0x84)
+#define SIRFSOC_GPIO_PAD_EN_CLR(g) ((g)*0x100 + 0x90)
#define SIRFSOC_GPIO_CTRL(g, i) ((g)*0x100 + (i)*4)
#define SIRFSOC_GPIO_DSP_EN0 (0x80)
-#define SIRFSOC_GPIO_PAD_EN(g) ((g)*0x100 + 0x84)
#define SIRFSOC_GPIO_INT_STATUS(g) ((g)*0x100 + 0x8C)
#define SIRFSOC_GPIO_CTL_INTR_LOW_MASK 0x1
@@ -60,6 +60,7 @@ struct sirfsoc_gpio_bank {
int id;
int parent_irq;
spinlock_t lock;
+ bool is_marco; /* for marco, some registers are different with prima2 */
};
static struct sirfsoc_gpio_bank sgpio_bank[SIRFSOC_GPIO_NO_OF_BANKS];
@@ -191,6 +192,7 @@ struct sirfsoc_pmx {
struct pinctrl_dev *pmx;
void __iomem *gpio_virtbase;
void __iomem *rsc_virtbase;
+ bool is_marco;
};
/* SIRFSOC_GPIO_PAD_EN set */
@@ -1088,12 +1090,21 @@ static void sirfsoc_pinmux_endisable(struct sirfsoc_pmx *spmx, unsigned selector
for (i = 0; i < mux->muxmask_counts; i++) {
u32 muxval;
- muxval = readl(spmx->gpio_virtbase + SIRFSOC_GPIO_PAD_EN(mask[i].group));
- if (enable)
- muxval = muxval & ~mask[i].mask;
- else
- muxval = muxval | mask[i].mask;
- writel(muxval, spmx->gpio_virtbase + SIRFSOC_GPIO_PAD_EN(mask[i].group));
+ if (!spmx->is_marco) {
+ muxval = readl(spmx->gpio_virtbase + SIRFSOC_GPIO_PAD_EN(mask[i].group));
+ if (enable)
+ muxval = muxval & ~mask[i].mask;
+ else
+ muxval = muxval | mask[i].mask;
+ writel(muxval, spmx->gpio_virtbase + SIRFSOC_GPIO_PAD_EN(mask[i].group));
+ } else {
+ if (enable)
+ writel(mask[i].mask, spmx->gpio_virtbase +
+ SIRFSOC_GPIO_PAD_EN_CLR(mask[i].group));
+ else
+ writel(mask[i].mask, spmx->gpio_virtbase +
+ SIRFSOC_GPIO_PAD_EN(mask[i].group));
+ }
}
if (mux->funcmask && enable) {
@@ -1158,9 +1169,14 @@ static int sirfsoc_pinmux_request_gpio(struct pinctrl_dev *pmxdev,
spmx = pinctrl_dev_get_drvdata(pmxdev);
- muxval = readl(spmx->gpio_virtbase + SIRFSOC_GPIO_PAD_EN(group));
- muxval = muxval | (1 << (offset - range->pin_base));
- writel(muxval, spmx->gpio_virtbase + SIRFSOC_GPIO_PAD_EN(group));
+ if (!spmx->is_marco) {
+ muxval = readl(spmx->gpio_virtbase + SIRFSOC_GPIO_PAD_EN(group));
+ muxval = muxval | (1 << (offset - range->pin_base));
+ writel(muxval, spmx->gpio_virtbase + SIRFSOC_GPIO_PAD_EN(group));
+ } else {
+ writel(1 << (offset - range->pin_base), spmx->gpio_virtbase +
+ SIRFSOC_GPIO_PAD_EN(group));
+ }
return 0;
}
@@ -1218,6 +1234,7 @@ static void __iomem *sirfsoc_rsc_of_iomap(void)
{
const struct of_device_id rsc_ids[] = {
{ .compatible = "sirf,prima2-rsc" },
+ { .compatible = "sirf,marco-rsc" },
{}
};
struct device_node *np;
@@ -1259,6 +1276,9 @@ static int __devinit sirfsoc_pinmux_probe(struct platform_device *pdev)
goto out_no_rsc_remap;
}
+ if (of_device_is_compatible(np, "sirf,marco-pinctrl"))
+ spmx->is_marco = 1;
+
/* Now register the pin controller and all pins it handles */
spmx->pmx = pinctrl_register(&sirfsoc_pinmux_desc, &pdev->dev, spmx);
if (!spmx->pmx) {
@@ -1287,6 +1307,7 @@ out_no_gpio_remap:
static const struct of_device_id pinmux_ids[] __devinitconst = {
{ .compatible = "sirf,prima2-pinctrl" },
+ { .compatible = "sirf,marco-pinctrl" },
{}
};
@@ -1323,41 +1344,6 @@ static inline struct sirfsoc_gpio_bank *sirfsoc_gpio_to_bank(unsigned int gpio)
return &sgpio_bank[gpio / SIRFSOC_GPIO_BANK_SIZE];
}
-void sirfsoc_gpio_set_pull(unsigned gpio, unsigned mode)
-{
- struct sirfsoc_gpio_bank *bank = sirfsoc_gpio_to_bank(gpio);
- int idx = sirfsoc_gpio_to_offset(gpio);
- u32 val, offset;
- unsigned long flags;
-
- offset = SIRFSOC_GPIO_CTRL(bank->id, idx);
-
- spin_lock_irqsave(&sgpio_lock, flags);
-
- val = readl(bank->chip.regs + offset);
-
- switch (mode) {
- case SIRFSOC_GPIO_PULL_NONE:
- val &= ~SIRFSOC_GPIO_CTL_PULL_MASK;
- break;
- case SIRFSOC_GPIO_PULL_UP:
- val |= SIRFSOC_GPIO_CTL_PULL_MASK;
- val |= SIRFSOC_GPIO_CTL_PULL_HIGH;
- break;
- case SIRFSOC_GPIO_PULL_DOWN:
- val |= SIRFSOC_GPIO_CTL_PULL_MASK;
- val &= ~SIRFSOC_GPIO_CTL_PULL_HIGH;
- break;
- default:
- break;
- }
-
- writel(val, bank->chip.regs + offset);
-
- spin_unlock_irqrestore(&sgpio_lock, flags);
-}
-EXPORT_SYMBOL(sirfsoc_gpio_set_pull);
-
static inline struct sirfsoc_gpio_bank *sirfsoc_irqchip_to_bank(struct gpio_chip *chip)
{
return container_of(to_of_mm_gpio_chip(chip), struct sirfsoc_gpio_bank, chip);
@@ -1656,8 +1642,8 @@ static void sirfsoc_gpio_set_value(struct gpio_chip *chip, unsigned offset,
spin_unlock_irqrestore(&bank->lock, flags);
}
-int sirfsoc_gpio_irq_map(struct irq_domain *d, unsigned int irq,
- irq_hw_number_t hwirq)
+static int sirfsoc_gpio_irq_map(struct irq_domain *d, unsigned int irq,
+ irq_hw_number_t hwirq)
{
struct sirfsoc_gpio_bank *bank = d->host_data;
@@ -1683,6 +1669,7 @@ static int __devinit sirfsoc_gpio_probe(struct device_node *np)
struct sirfsoc_gpio_bank *bank;
void *regs;
struct platform_device *pdev;
+ bool is_marco = false;
pdev = of_find_device_by_node(np);
if (!pdev)
@@ -1692,6 +1679,9 @@ static int __devinit sirfsoc_gpio_probe(struct device_node *np)
if (!regs)
return -ENOMEM;
+ if (of_device_is_compatible(np, "sirf,marco-pinctrl"))
+ is_marco = 1;
+
for (i = 0; i < SIRFSOC_GPIO_NO_OF_BANKS; i++) {
bank = &sgpio_bank[i];
spin_lock_init(&bank->lock);
@@ -1708,6 +1698,7 @@ static int __devinit sirfsoc_gpio_probe(struct device_node *np)
bank->chip.gc.of_node = np;
bank->chip.regs = regs;
bank->id = i;
+ bank->is_marco = is_marco;
bank->parent_irq = platform_get_irq(pdev, i);
if (bank->parent_irq < 0) {
err = bank->parent_irq;