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pinctrl: sunxi: add support for H6 R_PIO pin controller 

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>
This commit is contained in:
Icenowy Zheng 2018-05-04 02:38:43 +08:00 committed by Linus Walleij
parent 59837002c7
commit ba5554dc18
4 changed files with 134 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Documentation/devicetree/bindings/pinctrl/allwinner,sunxi-pinctrl.txt
View File

@ -28,6 +28,7 @@ Required properties:
"allwinner,sun50i-a64-r-pinctrl"
"allwinner,sun50i-h5-pinctrl"
"allwinner,sun50i-h6-pinctrl"
"allwinner,sun50i-h6-r-pinctrl"
"nextthing,gr8-pinctrl"
- reg: Should contain the register physical address and length for the

4
drivers/pinctrl/sunxi/Kconfig
View File

@ -81,4 +81,8 @@ config PINCTRL_SUN50I_H6
def_bool ARM64 && ARCH_SUNXI
select PINCTRL_SUNXI
config PINCTRL_SUN50I_H6_R
def_bool ARM64 && ARCH_SUNXI
select PINCTRL_SUNXI
endif

1
drivers/pinctrl/sunxi/Makefile
View File

@ -19,5 +19,6 @@ obj-$(CONFIG_PINCTRL_SUN8I_H3_R) += pinctrl-sun8i-h3-r.o
obj-$(CONFIG_PINCTRL_SUN8I_V3S) += pinctrl-sun8i-v3s.o
obj-$(CONFIG_PINCTRL_SUN50I_H5) += pinctrl-sun50i-h5.o
obj-$(CONFIG_PINCTRL_SUN50I_H6) += pinctrl-sun50i-h6.o
obj-$(CONFIG_PINCTRL_SUN50I_H6_R) += pinctrl-sun50i-h6-r.o
obj-$(CONFIG_PINCTRL_SUN9I_A80) += pinctrl-sun9i-a80.o
obj-$(CONFIG_PINCTRL_SUN9I_A80_R) += pinctrl-sun9i-a80-r.o

128
drivers/pinctrl/sunxi/pinctrl-sun50i-h6-r.c Normal file
View File

@ -0,0 +1,128 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Allwinner H6 R_PIO pin controller driver
*
* Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
*
* Based on pinctrl-sun6i-a31-r.c, which is:
* Copyright (C) 2014 Boris Brezillon
* Boris Brezillon <boris.brezillon@free-electrons.com>
* Copyright (C) 2014 Maxime Ripard
* Maxime Ripard <maxime.ripard@free-electrons.com>
*/
#include <linux/init.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 sun50i_h6_r_pins[] = {
SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
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(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_pwm"),
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_cir_rx"),
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_w1"),
SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)), /* PL_EINT10 */
/* Hole */
SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 0),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 0)), /* PM_EINT0 */
SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 1),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 1)), /* PM_EINT1 */
SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 2),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 2), /* PM_EINT2 */
SUNXI_FUNCTION(0x3, "1wire")),
SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 3),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 3)), /* PM_EINT3 */
SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 4),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),
SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 4)), /* PM_EINT4 */
};
static const struct sunxi_pinctrl_desc sun50i_h6_r_pinctrl_data = {
.pins = sun50i_h6_r_pins,
.npins = ARRAY_SIZE(sun50i_h6_r_pins),
.pin_base = PL_BASE,
.irq_banks = 2,
};
static int sun50i_h6_r_pinctrl_probe(struct platform_device *pdev)
{
return sunxi_pinctrl_init(pdev,
&sun50i_h6_r_pinctrl_data);
}
static const struct of_device_id sun50i_h6_r_pinctrl_match[] = {
{ .compatible = "allwinner,sun50i-h6-r-pinctrl", },
{}
};
static struct platform_driver sun50i_h6_r_pinctrl_driver = {
.probe = sun50i_h6_r_pinctrl_probe,
.driver = {
.name = "sun50i-h6-r-pinctrl",
.of_match_table = sun50i_h6_r_pinctrl_match,
},
};
builtin_platform_driver(sun50i_h6_r_pinctrl_driver);