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pinctrl: ocelot: Add support for Luton platforms

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This patch adds support for Luton pinctrl, using the ocelot driver as
basis. It adds pinconfig support as well, as supported by the
platform.

gclement: Split from a larger patch adding support all platforms in
the same time.

Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Link: https://lore.kernel.org/r/20201106093118.965152-4-gregory.clement@bootlin.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Lars Povlsen 2020-11-06 10:31:17 +01:00 committed by Linus Walleij
parent e1822384d6
commit 8f27440dec
1 changed files with 92 additions and 0 deletions
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92
drivers/pinctrl/pinctrl-ocelot.c
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@ -158,6 +158,88 @@ struct ocelot_pinctrl {
u8 stride;
};
#define LUTON_P(p, f0, f1) \
static struct ocelot_pin_caps luton_pin_##p = { \
.pin = p, \
.functions = { \
FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_NONE, \
}, \
}
LUTON_P(0, SG0, NONE);
LUTON_P(1, SG0, NONE);
LUTON_P(2, SG0, NONE);
LUTON_P(3, SG0, NONE);
LUTON_P(4, TACHO, NONE);
LUTON_P(5, TWI, PHY_LED);
LUTON_P(6, TWI, PHY_LED);
LUTON_P(7, NONE, PHY_LED);
LUTON_P(8, EXT_IRQ, PHY_LED);
LUTON_P(9, EXT_IRQ, PHY_LED);
LUTON_P(10, SFP, PHY_LED);
LUTON_P(11, SFP, PHY_LED);
LUTON_P(12, SFP, PHY_LED);
LUTON_P(13, SFP, PHY_LED);
LUTON_P(14, SI, PHY_LED);
LUTON_P(15, SI, PHY_LED);
LUTON_P(16, SI, PHY_LED);
LUTON_P(17, SFP, PHY_LED);
LUTON_P(18, SFP, PHY_LED);
LUTON_P(19, SFP, PHY_LED);
LUTON_P(20, SFP, PHY_LED);
LUTON_P(21, SFP, PHY_LED);
LUTON_P(22, SFP, PHY_LED);
LUTON_P(23, SFP, PHY_LED);
LUTON_P(24, SFP, PHY_LED);
LUTON_P(25, SFP, PHY_LED);
LUTON_P(26, SFP, PHY_LED);
LUTON_P(27, SFP, PHY_LED);
LUTON_P(28, SFP, PHY_LED);
LUTON_P(29, PWM, NONE);
LUTON_P(30, UART, NONE);
LUTON_P(31, UART, NONE);
#define LUTON_PIN(n) { \
.number = n, \
.name = "GPIO_"#n, \
.drv_data = &luton_pin_##n \
}
static const struct pinctrl_pin_desc luton_pins[] = {
LUTON_PIN(0),
LUTON_PIN(1),
LUTON_PIN(2),
LUTON_PIN(3),
LUTON_PIN(4),
LUTON_PIN(5),
LUTON_PIN(6),
LUTON_PIN(7),
LUTON_PIN(8),
LUTON_PIN(9),
LUTON_PIN(10),
LUTON_PIN(11),
LUTON_PIN(12),
LUTON_PIN(13),
LUTON_PIN(14),
LUTON_PIN(15),
LUTON_PIN(16),
LUTON_PIN(17),
LUTON_PIN(18),
LUTON_PIN(19),
LUTON_PIN(20),
LUTON_PIN(21),
LUTON_PIN(22),
LUTON_PIN(23),
LUTON_PIN(24),
LUTON_PIN(25),
LUTON_PIN(26),
LUTON_PIN(27),
LUTON_PIN(28),
LUTON_PIN(29),
LUTON_PIN(30),
LUTON_PIN(31),
};
#define OCELOT_P(p, f0, f1, f2) \
static struct ocelot_pin_caps ocelot_pin_##p = { \
.pin = p, \
@ -868,6 +950,15 @@ static const struct pinctrl_ops ocelot_pctl_ops = {
.dt_free_map = pinconf_generic_dt_free_map,
};
static struct pinctrl_desc luton_desc = {
.name = "luton-pinctrl",
.pins = luton_pins,
.npins = ARRAY_SIZE(luton_pins),
.pctlops = &ocelot_pctl_ops,
.pmxops = &ocelot_pmx_ops,
.owner = THIS_MODULE,
};
static struct pinctrl_desc ocelot_desc = {
.name = "ocelot-pinctrl",
.pins = ocelot_pins,
@ -1151,6 +1242,7 @@ static int ocelot_gpiochip_register(struct platform_device *pdev,
}
static const struct of_device_id ocelot_pinctrl_of_match[] = {
{ .compatible = "mscc,luton-pinctrl", .data = &luton_desc },
{ .compatible = "mscc,ocelot-pinctrl", .data = &ocelot_desc },
{ .compatible = "mscc,jaguar2-pinctrl", .data = &jaguar2_desc },
{ .compatible = "microchip,sparx5-pinctrl", .data = &sparx5_desc },