diff options
| author | Tejun Heo <tj@kernel.org> | 2013-01-23 21:31:01 +0400 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2013-01-23 21:31:01 +0400 |
| commit | c14afb82ffff5903a701a9fb737ac20f36d1f755 (patch) | |
| tree | 304dcc7b1d7b9a5f564f7e978228e61ef41fbef2 /drivers/pinctrl/pinctrl-sirf.c | |
| parent | 0fdff3ec6d87856cdcc99e69cf42143fdd6c56b4 (diff) | |
| parent | 1d8549085377674224bf30a368284c391a3ce40e (diff) | |
| download | linux-c14afb82ffff5903a701a9fb737ac20f36d1f755.tar.xz | |
Merge branch 'master' into for-3.9-async
To receive f56c3196f251012de9b3ebaff55732a9074fdaae ("async: fix
__lowest_in_progress()").
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/pinctrl/pinctrl-sirf.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-sirf.c | 52 |
1 files changed, 50 insertions, 2 deletions
diff --git a/drivers/pinctrl/pinctrl-sirf.c b/drivers/pinctrl/pinctrl-sirf.c index a4f0c5e487d5..498b2ba905de 100644 --- a/drivers/pinctrl/pinctrl-sirf.c +++ b/drivers/pinctrl/pinctrl-sirf.c @@ -1246,7 +1246,7 @@ static void __iomem *sirfsoc_rsc_of_iomap(void) return of_iomap(np, 0); } -static int __devinit sirfsoc_pinmux_probe(struct platform_device *pdev) +static int sirfsoc_pinmux_probe(struct platform_device *pdev) { int ret; struct sirfsoc_pmx *spmx; @@ -1663,7 +1663,45 @@ const struct irq_domain_ops sirfsoc_gpio_irq_simple_ops = { .xlate = irq_domain_xlate_twocell, }; -static int __devinit sirfsoc_gpio_probe(struct device_node *np) +static void sirfsoc_gpio_set_pullup(const u32 *pullups) +{ + int i, n; + const unsigned long *p = (const unsigned long *)pullups; + + for (i = 0; i < SIRFSOC_GPIO_NO_OF_BANKS; i++) { + n = find_first_bit(p + i, BITS_PER_LONG); + while (n < BITS_PER_LONG) { + u32 offset = SIRFSOC_GPIO_CTRL(i, n); + u32 val = readl(sgpio_bank[i].chip.regs + offset); + val |= SIRFSOC_GPIO_CTL_PULL_MASK; + val |= SIRFSOC_GPIO_CTL_PULL_HIGH; + writel(val, sgpio_bank[i].chip.regs + offset); + + n = find_next_bit(p + i, BITS_PER_LONG, n + 1); + } + } +} + +static void sirfsoc_gpio_set_pulldown(const u32 *pulldowns) +{ + int i, n; + const unsigned long *p = (const unsigned long *)pulldowns; + + for (i = 0; i < SIRFSOC_GPIO_NO_OF_BANKS; i++) { + n = find_first_bit(p + i, BITS_PER_LONG); + while (n < BITS_PER_LONG) { + u32 offset = SIRFSOC_GPIO_CTRL(i, n); + u32 val = readl(sgpio_bank[i].chip.regs + offset); + val |= SIRFSOC_GPIO_CTL_PULL_MASK; + val &= ~SIRFSOC_GPIO_CTL_PULL_HIGH; + writel(val, sgpio_bank[i].chip.regs + offset); + + n = find_next_bit(p + i, BITS_PER_LONG, n + 1); + } + } +} + +static int sirfsoc_gpio_probe(struct device_node *np) { int i, err = 0; struct sirfsoc_gpio_bank *bank; @@ -1671,6 +1709,8 @@ static int __devinit sirfsoc_gpio_probe(struct device_node *np) struct platform_device *pdev; bool is_marco = false; + u32 pullups[SIRFSOC_GPIO_NO_OF_BANKS], pulldowns[SIRFSOC_GPIO_NO_OF_BANKS]; + pdev = of_find_device_by_node(np); if (!pdev) return -ENODEV; @@ -1726,6 +1766,14 @@ static int __devinit sirfsoc_gpio_probe(struct device_node *np) irq_set_handler_data(bank->parent_irq, bank); } + if (!of_property_read_u32_array(np, "sirf,pullups", pullups, + SIRFSOC_GPIO_NO_OF_BANKS)) + sirfsoc_gpio_set_pullup(pullups); + + if (!of_property_read_u32_array(np, "sirf,pulldowns", pulldowns, + SIRFSOC_GPIO_NO_OF_BANKS)) + sirfsoc_gpio_set_pulldown(pulldowns); + return 0; out: |