gpio: rcar: Add GPIO hole support (496069b8) · Commits · 戴 / test

GPIO hole is present in RZ/G1C SoC. Valid GPIO pins on bank3 are in the range GP3_0 to GP3_16 and GP3_27 to GP3_29. The GPIO pins between GP3_17 to GP3_26 are unused. Add support for handling unused GPIO's. Signed-off-by:

Biju Das <biju.das@bp.renesas.com> Reviewed-by:

Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by:

Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-rcar.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -321,6 +321,9 @@ static void gpio_rcar_set_multiple(struct gpio_chip chip, unsigned long mask,
		u32 val, bankmask;

		bankmask = mask[0] & GENMASK(chip->ngpio - 1, 0);
		if (chip->valid_mask)
		bankmask &= chip->valid_mask[0];

		if (!bankmask)
		return;

		@@ -558,6 +561,9 @@ static int gpio_rcar_resume(struct device *dev)
		u32 mask;

		for (offset = 0; offset < p->gpio_chip.ngpio; offset++) {
		if (!gpiochip_line_is_valid(&p->gpio_chip, offset))
		continue;

		mask = BIT(offset);
		/* I/O pin */
		if (!(p->bank_info.iointsel & mask)) {

Admin message