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2fdf5f85d3
Commit a53e35db70 ("reset: Ensure drivers are explicit when requesting
reset lines") started to transition the reset control request API calls
to explicitly state whether the driver needs exclusive or shared reset
control behavior. Convert all drivers requesting exclusive resets to the
explicit API call so the temporary transition helpers can be removed.
No functional changes.
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
135 lines
4.2 KiB
C
135 lines
4.2 KiB
C
/*
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* Allwinner A23 SoCs special pins pinctrl driver.
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*
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* Copyright (C) 2014 Chen-Yu Tsai
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* Chen-Yu Tsai <wens@csie.org>
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*
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* Copyright (C) 2014 Boris Brezillon
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* Boris Brezillon <boris.brezillon@free-electrons.com>
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*
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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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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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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 sun8i_a23_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(0x2, "s_rsb"), /* SCK */
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SUNXI_FUNCTION(0x3, "s_i2c"), /* SCK */
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SUNXI_FUNCTION_IRQ_BANK(0x4, 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(0x2, "s_rsb"), /* SDA */
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SUNXI_FUNCTION(0x3, "s_i2c"), /* SDA */
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SUNXI_FUNCTION_IRQ_BANK(0x4, 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(0x4, 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(0x4, 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(0x3, "s_jtag"), /* MS */
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SUNXI_FUNCTION_IRQ_BANK(0x4, 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(0x3, "s_jtag"), /* CK */
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SUNXI_FUNCTION_IRQ_BANK(0x4, 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(0x3, "s_jtag"), /* DO */
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SUNXI_FUNCTION_IRQ_BANK(0x4, 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(0x3, "s_jtag"), /* DI */
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SUNXI_FUNCTION_IRQ_BANK(0x4, 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_twi"), /* SCK */
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SUNXI_FUNCTION_IRQ_BANK(0x4, 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_twi"), /* SDA */
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SUNXI_FUNCTION_IRQ_BANK(0x4, 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_pwm"),
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SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 10)), /* PL_EINT10 */
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11),
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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(0x4, 0, 11)), /* PL_EINT11 */
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};
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static const struct sunxi_pinctrl_desc sun8i_a23_r_pinctrl_data = {
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.pins = sun8i_a23_r_pins,
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.npins = ARRAY_SIZE(sun8i_a23_r_pins),
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.pin_base = PL_BASE,
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.irq_banks = 1,
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};
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static int sun8i_a23_r_pinctrl_probe(struct platform_device *pdev)
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{
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struct reset_control *rstc;
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int ret;
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rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
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if (IS_ERR(rstc)) {
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dev_err(&pdev->dev, "Reset controller missing\n");
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return PTR_ERR(rstc);
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}
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ret = reset_control_deassert(rstc);
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if (ret)
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return ret;
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ret = sunxi_pinctrl_init(pdev,
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&sun8i_a23_r_pinctrl_data);
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if (ret)
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reset_control_assert(rstc);
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return ret;
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}
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static const struct of_device_id sun8i_a23_r_pinctrl_match[] = {
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{ .compatible = "allwinner,sun8i-a23-r-pinctrl", },
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{}
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};
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static struct platform_driver sun8i_a23_r_pinctrl_driver = {
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.probe = sun8i_a23_r_pinctrl_probe,
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.driver = {
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.name = "sun8i-a23-r-pinctrl",
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.of_match_table = sun8i_a23_r_pinctrl_match,
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},
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};
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builtin_platform_driver(sun8i_a23_r_pinctrl_driver);
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