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pinctrl: sunxi: Add A64 R_PIO controller support 

The A64 has a R_PIO pin controller, similar to the one found on the H3 SoC.
Add support for the pins controlled by the R_PIO controller.

Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
hifive-unleashed-5.1
Icenowy Zheng 2017-03-02 02:09:30 +08:00 committed by Linus Walleij
parent 9836b1ac2d
commit 14c868b00f
3 changed files with 130 additions and 0 deletions
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4
drivers/pinctrl/sunxi/Kconfig
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@ -68,6 +68,10 @@ config PINCTRL_SUN50I_A64
def_bool ARM64 && ARCH_SUNXI
select PINCTRL_SUNXI
config PINCTRL_SUN50I_A64_R
def_bool ARM64 && ARCH_SUNXI
select PINCTRL_SUNXI
config PINCTRL_SUN50I_H5
def_bool ARM64 && ARCH_SUNXI
select PINCTRL_SUNXI

1
drivers/pinctrl/sunxi/Makefile
View File

@ -11,6 +11,7 @@ obj-$(CONFIG_PINCTRL_SUN8I_A23) += pinctrl-sun8i-a23.o
obj-$(CONFIG_PINCTRL_SUN8I_A23_R) += pinctrl-sun8i-a23-r.o
obj-$(CONFIG_PINCTRL_SUN8I_A33) += pinctrl-sun8i-a33.o
obj-$(CONFIG_PINCTRL_SUN50I_A64) += pinctrl-sun50i-a64.o
obj-$(CONFIG_PINCTRL_SUN50I_A64_R) += pinctrl-sun50i-a64-r.o
obj-$(CONFIG_PINCTRL_SUN8I_A83T) += pinctrl-sun8i-a83t.o
obj-$(CONFIG_PINCTRL_SUN8I_H3) += pinctrl-sun8i-h3.o
obj-$(CONFIG_PINCTRL_SUN8I_H3_R) += pinctrl-sun8i-h3-r.o

125
drivers/pinctrl/sunxi/pinctrl-sun50i-a64-r.c 100644
View File

@ -0,0 +1,125 @@
/*
* Allwinner A64 SoCs special pins pinctrl driver.
*
* Based on pinctrl-sun8i-a23-r.c
*
* Copyright (C) 2016 Icenowy Zheng
* Icenowy Zheng <icenowy@aosc.xyz>
*
* Copyright (C) 2014 Chen-Yu Tsai
* Chen-Yu Tsai <wens@csie.org>
*
* 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/of.h>
#include <linux/of_device.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/platform_device.h>
#include <linux/reset.h>
#include "pinctrl-sunxi.h"
static const struct sunxi_desc_pin sun50i_a64_r_pins[] = {
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION(0x2, "s_rsb"), /* SCK */
SUNXI_FUNCTION(0x3, "s_i2c"), /* SCK */
SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)), /* PL_EINT0 */
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION(0x2, "s_rsb"), /* SDA */
SUNXI_FUNCTION(0x3, "s_i2c"), /* SDA */
SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)), /* PL_EINT1 */
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION(0x2, "s_uart"), /* TX */
SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)), /* PL_EINT2 */
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION(0x2, "s_uart"), /* RX */
SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)), /* PL_EINT3 */
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION(0x2, "s_jtag"), /* MS */
SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)), /* PL_EINT4 */
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION(0x2, "s_jtag"), /* CK */
SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)), /* PL_EINT5 */
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION(0x2, "s_jtag"), /* DO */
SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)), /* PL_EINT6 */
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION(0x2, "s_jtag"), /* DI */
SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)), /* PL_EINT7 */
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION(0x2, "s_i2c"), /* SCK */
SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)), /* PL_EINT8 */
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION(0x2, "s_i2c"), /* SDA */
SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)), /* PL_EINT9 */
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION(0x2, "s_pwm"),
SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)), /* PL_EINT10 */
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION(0x2, "s_cir_rx"),
SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 11)), /* PL_EINT11 */
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 12),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 12)), /* PL_EINT12 */
};
static const struct sunxi_pinctrl_desc sun50i_a64_r_pinctrl_data = {
.pins = sun50i_a64_r_pins,
.npins = ARRAY_SIZE(sun50i_a64_r_pins),
.pin_base = PL_BASE,
.irq_banks = 1,
};
static int sun50i_a64_r_pinctrl_probe(struct platform_device *pdev)
{
return sunxi_pinctrl_init(pdev,
&sun50i_a64_r_pinctrl_data);
}
static const struct of_device_id sun50i_a64_r_pinctrl_match[] = {
{ .compatible = "allwinner,sun50i-a64-r-pinctrl", },
{}
};
static struct platform_driver sun50i_a64_r_pinctrl_driver = {
.probe = sun50i_a64_r_pinctrl_probe,
.driver = {
.name = "sun50i-a64-r-pinctrl",
.of_match_table = sun50i_a64_r_pinctrl_match,
},
};
builtin_platform_driver(sun50i_a64_r_pinctrl_driver);