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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>
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2 changed files with 15 additions and 0 deletions
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@ -794,6 +794,7 @@ static struct samsung_pin_ctrl *samsung_pinctrl_get_soc_data(
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int id;
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const struct of_device_id *match;
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const struct device_node *node = pdev->dev.of_node;
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struct device_node *np;
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struct samsung_pin_ctrl *ctrl;
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struct samsung_pin_bank *bank;
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int i;
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@ -816,6 +817,18 @@ static struct samsung_pin_ctrl *samsung_pinctrl_get_soc_data(
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}
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}
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for_each_child_of_node(node, np) {
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if (!of_find_property(np, "gpio-controller", NULL))
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continue;
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bank = ctrl->pin_banks;
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for (i = 0; i < ctrl->nr_banks; ++i, ++bank) {
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if (!strcmp(bank->name, np->name)) {
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bank->of_node = np;
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break;
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}
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}
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}
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ctrl->base = pin_base;
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pin_base += ctrl->nr_pins;
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@ -111,6 +111,7 @@ struct samsung_pinctrl_drv_data;
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* @eint_type: type of the external interrupt supported by the bank.
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* @irq_base: starting controller local irq number of the bank.
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* @name: name to be prefixed for each pin in this pin bank.
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* @of_node: OF node of the bank.
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*/
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struct samsung_pin_bank {
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u32 pctl_offset;
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@ -124,6 +125,7 @@ struct samsung_pin_bank {
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enum eint_type eint_type;
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u32 irq_base;
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char *name;
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struct device_node *of_node;
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};
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/**
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