mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 20:23:57 +08:00
baa9946e32
of_device_id is always used as const. (See driver.of_match_table and open firmware functions) Signed-off-by: Fabian Frederick <fabf@skynet.be> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Patrice Chotard <patrice.chotard@st.com> Acked-by: Maxime Coquelin <maxime.coquelin@st.com> Acked-by: Hongzhou Yang <hongzhou.yang@mediatek.com> Acked-by: Lee Jones <lee@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
142 lines
4.3 KiB
C
142 lines
4.3 KiB
C
/*
|
|
* Allwinner A31 SoCs special pins pinctrl driver.
|
|
*
|
|
* Copyright (C) 2014 Boris Brezillon
|
|
* Boris Brezillon <boris.brezillon@free-electrons.com>
|
|
*
|
|
* Copyright (C) 2014 Maxime Ripard
|
|
* Maxime Ripard <maxime.ripard@free-electrons.com>
|
|
*
|
|
* This file is licensed under the terms of the GNU General Public
|
|
* License version 2. This program is licensed "as is" without any
|
|
* warranty of any kind, whether express or implied.
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/of.h>
|
|
#include <linux/of_device.h>
|
|
#include <linux/pinctrl/pinctrl.h>
|
|
#include <linux/reset.h>
|
|
|
|
#include "pinctrl-sunxi.h"
|
|
|
|
static const struct sunxi_desc_pin sun6i_a31_r_pins[] = {
|
|
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
|
|
SUNXI_FUNCTION(0x0, "gpio_in"),
|
|
SUNXI_FUNCTION(0x1, "gpio_out"),
|
|
SUNXI_FUNCTION(0x2, "s_twi"), /* SCK */
|
|
SUNXI_FUNCTION(0x3, "s_p2wi")), /* SCK */
|
|
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
|
|
SUNXI_FUNCTION(0x0, "gpio_in"),
|
|
SUNXI_FUNCTION(0x1, "gpio_out"),
|
|
SUNXI_FUNCTION(0x2, "s_twi"), /* SDA */
|
|
SUNXI_FUNCTION(0x3, "s_p2wi")), /* SDA */
|
|
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
|
|
SUNXI_FUNCTION(0x0, "gpio_in"),
|
|
SUNXI_FUNCTION(0x1, "gpio_out"),
|
|
SUNXI_FUNCTION(0x2, "s_uart")), /* TX */
|
|
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
|
|
SUNXI_FUNCTION(0x0, "gpio_in"),
|
|
SUNXI_FUNCTION(0x1, "gpio_out"),
|
|
SUNXI_FUNCTION(0x2, "s_uart")), /* RX */
|
|
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
|
|
SUNXI_FUNCTION(0x0, "gpio_in"),
|
|
SUNXI_FUNCTION(0x1, "gpio_out"),
|
|
SUNXI_FUNCTION(0x2, "s_ir")), /* RX */
|
|
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
|
|
SUNXI_FUNCTION(0x0, "gpio_in"),
|
|
SUNXI_FUNCTION(0x1, "gpio_out"),
|
|
SUNXI_FUNCTION(0x3, "s_jtag")), /* MS */
|
|
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
|
|
SUNXI_FUNCTION(0x0, "gpio_in"),
|
|
SUNXI_FUNCTION(0x1, "gpio_out"),
|
|
SUNXI_FUNCTION(0x3, "s_jtag")), /* CK */
|
|
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
|
|
SUNXI_FUNCTION(0x0, "gpio_in"),
|
|
SUNXI_FUNCTION(0x1, "gpio_out"),
|
|
SUNXI_FUNCTION(0x3, "s_jtag")), /* DO */
|
|
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
|
|
SUNXI_FUNCTION(0x0, "gpio_in"),
|
|
SUNXI_FUNCTION(0x1, "gpio_out"),
|
|
SUNXI_FUNCTION(0x3, "s_jtag")), /* DI */
|
|
/* Hole */
|
|
SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 0),
|
|
SUNXI_FUNCTION(0x0, "gpio_in"),
|
|
SUNXI_FUNCTION(0x1, "gpio_out")),
|
|
SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 1),
|
|
SUNXI_FUNCTION(0x0, "gpio_in"),
|
|
SUNXI_FUNCTION(0x1, "gpio_out")),
|
|
SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 2),
|
|
SUNXI_FUNCTION(0x0, "gpio_in"),
|
|
SUNXI_FUNCTION(0x1, "gpio_out"),
|
|
SUNXI_FUNCTION(0x3, "1wire")),
|
|
SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 3),
|
|
SUNXI_FUNCTION(0x0, "gpio_in"),
|
|
SUNXI_FUNCTION(0x1, "gpio_out")),
|
|
SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 4),
|
|
SUNXI_FUNCTION(0x0, "gpio_in"),
|
|
SUNXI_FUNCTION(0x1, "gpio_out")),
|
|
SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 5),
|
|
SUNXI_FUNCTION(0x0, "gpio_in"),
|
|
SUNXI_FUNCTION(0x1, "gpio_out")),
|
|
SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 6),
|
|
SUNXI_FUNCTION(0x0, "gpio_in"),
|
|
SUNXI_FUNCTION(0x1, "gpio_out")),
|
|
SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 7),
|
|
SUNXI_FUNCTION(0x0, "gpio_in"),
|
|
SUNXI_FUNCTION(0x1, "gpio_out"),
|
|
SUNXI_FUNCTION(0x3, "rtc")), /* CLKO */
|
|
};
|
|
|
|
static const struct sunxi_pinctrl_desc sun6i_a31_r_pinctrl_data = {
|
|
.pins = sun6i_a31_r_pins,
|
|
.npins = ARRAY_SIZE(sun6i_a31_r_pins),
|
|
.pin_base = PL_BASE,
|
|
.irq_banks = 2,
|
|
};
|
|
|
|
static int sun6i_a31_r_pinctrl_probe(struct platform_device *pdev)
|
|
{
|
|
struct reset_control *rstc;
|
|
int ret;
|
|
|
|
rstc = devm_reset_control_get(&pdev->dev, NULL);
|
|
if (IS_ERR(rstc)) {
|
|
dev_err(&pdev->dev, "Reset controller missing\n");
|
|
return PTR_ERR(rstc);
|
|
}
|
|
|
|
ret = reset_control_deassert(rstc);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = sunxi_pinctrl_init(pdev,
|
|
&sun6i_a31_r_pinctrl_data);
|
|
|
|
if (ret)
|
|
reset_control_assert(rstc);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct of_device_id sun6i_a31_r_pinctrl_match[] = {
|
|
{ .compatible = "allwinner,sun6i-a31-r-pinctrl", },
|
|
{}
|
|
};
|
|
MODULE_DEVICE_TABLE(of, sun6i_a31_r_pinctrl_match);
|
|
|
|
static struct platform_driver sun6i_a31_r_pinctrl_driver = {
|
|
.probe = sun6i_a31_r_pinctrl_probe,
|
|
.driver = {
|
|
.name = "sun6i-a31-r-pinctrl",
|
|
.of_match_table = sun6i_a31_r_pinctrl_match,
|
|
},
|
|
};
|
|
module_platform_driver(sun6i_a31_r_pinctrl_driver);
|
|
|
|
MODULE_AUTHOR("Boris Brezillon <boris.brezillon@free-electrons.com");
|
|
MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com");
|
|
MODULE_DESCRIPTION("Allwinner A31 R_PIO pinctrl driver");
|
|
MODULE_LICENSE("GPL");
|