diff options
| author | Tomasz Figa <t.figa@samsung.com> | 2012-10-11 12:11:13 +0400 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2012-10-15 11:10:11 +0400 |
| commit | ab663789d69760d2735402f66501f20b60312a3d (patch) | |
| tree | 67483cfb29a5d3bc6c4c1e23dc77f5bede862414 /drivers/pinctrl | |
| parent | a7a8241540c3168965588d313f46b14f79e86753 (diff) | |
| download | linux-ab663789d69760d2735402f66501f20b60312a3d.tar.xz | |
pinctrl: samsung: Match pin banks with their device nodes
This patch is a preparation for converting the pinctrl-samsung driver to
one GPIO chip and IRQ domain per bank. It binds banks defined by
internal driver data with bank nodes in device tree.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Reviewed-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/pinctrl-samsung.c | 13 | ||||
| -rw-r--r-- | drivers/pinctrl/pinctrl-samsung.h | 2 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-samsung.c b/drivers/pinctrl/pinctrl-samsung.c index 94e13780a6a6..f266710a1b04 100644 --- a/drivers/pinctrl/pinctrl-samsung.c +++ b/drivers/pinctrl/pinctrl-samsung.c @@ -794,6 +794,7 @@ static struct samsung_pin_ctrl *samsung_pinctrl_get_soc_data( int id; const struct of_device_id *match; const struct device_node *node = pdev->dev.of_node; + struct device_node *np; struct samsung_pin_ctrl *ctrl; struct samsung_pin_bank *bank; int i; @@ -816,6 +817,18 @@ static struct samsung_pin_ctrl *samsung_pinctrl_get_soc_data( } } + for_each_child_of_node(node, np) { + if (!of_find_property(np, "gpio-controller", NULL)) + continue; + bank = ctrl->pin_banks; + for (i = 0; i < ctrl->nr_banks; ++i, ++bank) { + if (!strcmp(bank->name, np->name)) { + bank->of_node = np; + break; + } + } + } + ctrl->base = pin_base; pin_base += ctrl->nr_pins; diff --git a/drivers/pinctrl/pinctrl-samsung.h b/drivers/pinctrl/pinctrl-samsung.h index b8956934cda6..5c53f32cca06 100644 --- a/drivers/pinctrl/pinctrl-samsung.h +++ b/drivers/pinctrl/pinctrl-samsung.h @@ -111,6 +111,7 @@ struct samsung_pinctrl_drv_data; * @eint_type: type of the external interrupt supported by the bank. * @irq_base: starting controller local irq number of the bank. * @name: name to be prefixed for each pin in this pin bank. + * @of_node: OF node of the bank. */ struct samsung_pin_bank { u32 pctl_offset; @@ -124,6 +125,7 @@ struct samsung_pin_bank { enum eint_type eint_type; u32 irq_base; char *name; + struct device_node *of_node; }; /** |