diff options
| author | Andre Przywara <andre.przywara@arm.com> | 2021-01-18 02:08:32 +0000 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2021-01-21 22:15:46 +0100 |
| commit | 561c1cf17c465c6661b6fd3832df921458833e40 (patch) | |
| tree | 22f2a7333fa1562dc7f9df65455ffdf4616dcbd5 /drivers/pinctrl/sunxi | |
| parent | 25adc29407fb3a064921af664f2e5134846312b9 (diff) | |
| download | linux-561c1cf17c465c6661b6fd3832df921458833e40.tar.bz2 | |
pinctrl: sunxi: Add support for the Allwinner H616-R pin controller
There are only two pins left now, used to connect to the PMIC via I2C.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@siol.net>
Link: https://lore.kernel.org/r/20210118020848.11721-6-andre.przywara@arm.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/sunxi')
| -rw-r--r-- | drivers/pinctrl/sunxi/Kconfig | 5 | ||||
| -rw-r--r-- | drivers/pinctrl/sunxi/Makefile | 1 | ||||
| -rw-r--r-- | drivers/pinctrl/sunxi/pinctrl-sun50i-h616-r.c | 56 |
3 files changed, 62 insertions, 0 deletions
diff --git a/drivers/pinctrl/sunxi/Kconfig b/drivers/pinctrl/sunxi/Kconfig index 73e88ce71a48..33751a6a0757 100644 --- a/drivers/pinctrl/sunxi/Kconfig +++ b/drivers/pinctrl/sunxi/Kconfig @@ -124,4 +124,9 @@ config PINCTRL_SUN50I_H616 default ARM64 && ARCH_SUNXI select PINCTRL_SUNXI +config PINCTRL_SUN50I_H616_R + bool "Support for the Allwinner H616 R-PIO" + default ARM64 && ARCH_SUNXI + select PINCTRL_SUNXI + endif diff --git a/drivers/pinctrl/sunxi/Makefile b/drivers/pinctrl/sunxi/Makefile index 5359327a3c8f..d3440c42b9d6 100644 --- a/drivers/pinctrl/sunxi/Makefile +++ b/drivers/pinctrl/sunxi/Makefile @@ -24,5 +24,6 @@ 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_SUN50I_H616) += pinctrl-sun50i-h616.o +obj-$(CONFIG_PINCTRL_SUN50I_H616_R) += pinctrl-sun50i-h616-r.o obj-$(CONFIG_PINCTRL_SUN9I_A80) += pinctrl-sun9i-a80.o obj-$(CONFIG_PINCTRL_SUN9I_A80_R) += pinctrl-sun9i-a80-r.o diff --git a/drivers/pinctrl/sunxi/pinctrl-sun50i-h616-r.c b/drivers/pinctrl/sunxi/pinctrl-sun50i-h616-r.c new file mode 100644 index 000000000000..8e4f10ab96ce --- /dev/null +++ b/drivers/pinctrl/sunxi/pinctrl-sun50i-h616-r.c @@ -0,0 +1,56 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Allwinner H616 R_PIO pin controller driver + * + * Copyright (C) 2020 Arm Ltd. + * Based on former work, which is: + * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io> + */ + +#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_h616_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_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 */ +}; + +static const struct sunxi_pinctrl_desc sun50i_h616_r_pinctrl_data = { + .pins = sun50i_h616_r_pins, + .npins = ARRAY_SIZE(sun50i_h616_r_pins), + .pin_base = PL_BASE, +}; + +static int sun50i_h616_r_pinctrl_probe(struct platform_device *pdev) +{ + return sunxi_pinctrl_init(pdev, + &sun50i_h616_r_pinctrl_data); +} + +static const struct of_device_id sun50i_h616_r_pinctrl_match[] = { + { .compatible = "allwinner,sun50i-h616-r-pinctrl", }, + {} +}; + +static struct platform_driver sun50i_h616_r_pinctrl_driver = { + .probe = sun50i_h616_r_pinctrl_probe, + .driver = { + .name = "sun50i-h616-r-pinctrl", + .of_match_table = sun50i_h616_r_pinctrl_match, + }, +}; +builtin_platform_driver(sun50i_h616_r_pinctrl_driver); |