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ba5554dc18
Allwinner H6 SoC has a R_PIO pin controller like other Allwinner SoCs, which controls the PL and PM pin banks. Add support for it. Signed-off-by: Icenowy Zheng <icenowy@aosc.io> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
129 lines
4.4 KiB
C
129 lines
4.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Allwinner H6 R_PIO pin controller driver
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*
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* Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
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*
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* Based on pinctrl-sun6i-a31-r.c, which is:
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* Copyright (C) 2014 Boris Brezillon
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* Boris Brezillon <boris.brezillon@free-electrons.com>
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* Copyright (C) 2014 Maxime Ripard
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* Maxime Ripard <maxime.ripard@free-electrons.com>
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*/
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/pinctrl/pinctrl.h>
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#include <linux/reset.h>
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#include "pinctrl-sunxi.h"
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static const struct sunxi_desc_pin sun50i_h6_r_pins[] = {
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x3, "s_i2c"), /* SCK */
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SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)), /* PL_EINT0 */
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x3, "s_i2c"), /* SDA */
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SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)), /* PL_EINT1 */
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_uart"), /* TX */
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SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)), /* PL_EINT2 */
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_uart"), /* RX */
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SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)), /* PL_EINT3 */
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_jtag"), /* MS */
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SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)), /* PL_EINT4 */
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_jtag"), /* CK */
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SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)), /* PL_EINT5 */
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_jtag"), /* DO */
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SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)), /* PL_EINT6 */
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_jtag"), /* DI */
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SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)), /* PL_EINT7 */
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_pwm"),
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SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)), /* PL_EINT8 */
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_cir_rx"),
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SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)), /* PL_EINT9 */
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_w1"),
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SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)), /* PL_EINT10 */
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/* Hole */
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SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 0),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 0)), /* PM_EINT0 */
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SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 1),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 1)), /* PM_EINT1 */
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SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 2),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 2), /* PM_EINT2 */
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SUNXI_FUNCTION(0x3, "1wire")),
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SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 3),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 3)), /* PM_EINT3 */
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SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 4),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 4)), /* PM_EINT4 */
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};
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static const struct sunxi_pinctrl_desc sun50i_h6_r_pinctrl_data = {
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.pins = sun50i_h6_r_pins,
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.npins = ARRAY_SIZE(sun50i_h6_r_pins),
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.pin_base = PL_BASE,
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.irq_banks = 2,
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};
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static int sun50i_h6_r_pinctrl_probe(struct platform_device *pdev)
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{
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return sunxi_pinctrl_init(pdev,
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&sun50i_h6_r_pinctrl_data);
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}
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static const struct of_device_id sun50i_h6_r_pinctrl_match[] = {
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{ .compatible = "allwinner,sun50i-h6-r-pinctrl", },
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{}
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};
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static struct platform_driver sun50i_h6_r_pinctrl_driver = {
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.probe = sun50i_h6_r_pinctrl_probe,
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.driver = {
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.name = "sun50i-h6-r-pinctrl",
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.of_match_table = sun50i_h6_r_pinctrl_match,
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},
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};
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builtin_platform_driver(sun50i_h6_r_pinctrl_driver);
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