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pinctrl: sunxi: Add H3 R_PIO controller support

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H3 has additional PIO controller similar to what we can find on A23.
It's a 12 pin port, described in H3 Datasheet rev 1.1, pages 345-350.

Signed-off-by: Krzysztof Adamski <k@japko.eu>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Krzysztof Adamski 2016-02-02 22:21:51 +01:00 committed by Linus Walleij
parent b6c2327577
commit ba83a11104
3 changed files with 111 additions and 0 deletions
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4
drivers/pinctrl/sunxi/Kconfig
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@ -55,6 +55,10 @@ config PINCTRL_SUN8I_H3
def_bool MACH_SUN8I
select PINCTRL_SUNXI
config PINCTRL_SUN8I_H3_R
def_bool MACH_SUN8I
select PINCTRL_SUNXI_COMMON
config PINCTRL_SUN9I_A80
def_bool MACH_SUN9I
select PINCTRL_SUNXI

1
drivers/pinctrl/sunxi/Makefile
View File

@ -14,5 +14,6 @@ obj-$(CONFIG_PINCTRL_SUN8I_A23_R) += pinctrl-sun8i-a23-r.o
obj-$(CONFIG_PINCTRL_SUN8I_A33) += pinctrl-sun8i-a33.o
obj-$(CONFIG_PINCTRL_SUN8I_A83T) += pinctrl-sun8i-a83t.o
obj-$(CONFIG_PINCTRL_SUN8I_H3) += pinctrl-sun8i-h3.o
obj-$(CONFIG_PINCTRL_SUN8I_H3_R) += pinctrl-sun8i-h3-r.o
obj-$(CONFIG_PINCTRL_SUN9I_A80) += pinctrl-sun9i-a80.o
obj-$(CONFIG_PINCTRL_SUN9I_A80_R) += pinctrl-sun9i-a80-r.o

106
drivers/pinctrl/sunxi/pinctrl-sun8i-h3-r.c Normal file
View File

@ -0,0 +1,106 @@
/*
* Allwinner H3 SoCs pinctrl driver.
*
* Copyright (C) 2016 Krzysztof Adamski <k@japko.eu>
*
* 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 "pinctrl-sunxi.h"
static const struct sunxi_desc_pin sun8i_h3_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_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_twi"), /* 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_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_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 */
};
static const struct sunxi_pinctrl_desc sun8i_h3_r_pinctrl_data = {
.pins = sun8i_h3_r_pins,
.npins = ARRAY_SIZE(sun8i_h3_r_pins),
.irq_banks = 1,
.pin_base = PL_BASE,
.irq_read_needs_mux = true
};
static int sun8i_h3_r_pinctrl_probe(struct platform_device *pdev)
{
return sunxi_pinctrl_init(pdev,
&sun8i_h3_r_pinctrl_data);
}
static const struct of_device_id sun8i_h3_r_pinctrl_match[] = {
{ .compatible = "allwinner,sun8i-h3-r-pinctrl", },
{}
};
static struct platform_driver sun8i_h3_r_pinctrl_driver = {
.probe = sun8i_h3_r_pinctrl_probe,
.driver = {
.name = "sun8i-h3-r-pinctrl",
.of_match_table = sun8i_h3_r_pinctrl_match,
},
};
builtin_platform_driver(sun8i_h3_r_pinctrl_driver);