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pinctrl: rockchip: add support for multiple bank types

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There are Rockchip SoCs, namely the rk3188, that combine a set of
regular banks with banks that need special handling for some settings.

Therefore add the possibility for the driver to handle more than one
bank type.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Heiko Stübner 2013-10-16 01:07:49 +02:00 committed by Linus Walleij
parent a282926d65
commit 65fca613b0
1 changed files with 14 additions and 3 deletions
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17
drivers/pinctrl/pinctrl-rockchip.c
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@ -62,6 +62,10 @@ enum rockchip_pinctrl_type {
RK3188,
};
enum rockchip_pin_bank_type {
COMMON_BANK,
};
/**
* @reg_base: register base of the gpio bank
* @clk: clock of the gpio bank
@ -86,6 +90,7 @@ struct rockchip_pin_bank {
u8 nr_pins;
char *name;
u8 bank_num;
enum rockchip_pin_bank_type bank_type;
bool valid;
struct device_node *of_node;
struct rockchip_pinctrl *drvdata;
@ -668,7 +673,10 @@ static const struct pinconf_ops rockchip_pinconf_ops = {
.pin_config_set = rockchip_pinconf_set,
};
static const char *gpio_compat = "rockchip,gpio-bank";
static const struct of_device_id rockchip_bank_match[] = {
{ .compatible = "rockchip,gpio-bank" },
{},
};
static void rockchip_pinctrl_child_count(struct rockchip_pinctrl *info,
struct device_node *np)
@ -676,7 +684,7 @@ static void rockchip_pinctrl_child_count(struct rockchip_pinctrl *info,
struct device_node *child;
for_each_child_of_node(np, child) {
if (of_device_is_compatible(child, gpio_compat))
if (of_match_node(rockchip_bank_match, child))
continue;
info->nfunctions++;
@ -819,8 +827,9 @@ static int rockchip_pinctrl_parse_dt(struct platform_device *pdev,
i = 0;
for_each_child_of_node(np, child) {
if (of_device_is_compatible(child, gpio_compat))
if (of_match_node(rockchip_bank_match, child))
continue;
ret = rockchip_pinctrl_parse_functions(child, info, i++);
if (ret) {
dev_err(&pdev->dev, "failed to parse function\n");
@ -1217,6 +1226,8 @@ static int rockchip_get_bank_data(struct rockchip_pin_bank *bank,
if (IS_ERR(bank->reg_base))
return PTR_ERR(bank->reg_base);
bank->bank_type = COMMON_BANK;
bank->irq = irq_of_parse_and_map(bank->of_node, 0);
bank->clk = of_clk_get(bank->of_node, 0);