On 8/2/21 1:22 AM, Icenowy Zheng wrote:
> Allwinner R320 SoC has a pin controller in the CPUS power domain.
>
> Add support for it.
>
> Signed-off-by: Icenowy Zheng <icenowy@xxxxxxxxxx>
> ---
> drivers/pinctrl/sunxi/Kconfig | 5 +
> drivers/pinctrl/sunxi/Makefile | 1 +
> drivers/pinctrl/sunxi/pinctrl-sun50i-r329-r.c | 292 ++++++++++++++++++
> 3 files changed, 298 insertions(+)
> create mode 100644 drivers/pinctrl/sunxi/pinctrl-sun50i-r329-r.c
>
> diff --git a/drivers/pinctrl/sunxi/Kconfig b/drivers/pinctrl/sunxi/Kconfig
> index c662e8b1b351..abd60ff8daec 100644
> --- a/drivers/pinctrl/sunxi/Kconfig
> +++ b/drivers/pinctrl/sunxi/Kconfig
> @@ -134,4 +134,9 @@ config PINCTRL_SUN50I_R329
> default ARM64 && ARCH_SUNXI
> select PINCTRL_SUNXI
>
> +config PINCTRL_SUN50I_R329_R
> + bool "Support for the Allwinner R329 R-PIO"
> + default ARM64 && ARCH_SUNXI
> + select PINCTRL_SUNXI
> +
> endif
> diff --git a/drivers/pinctrl/sunxi/Makefile b/drivers/pinctrl/sunxi/Makefile
> index e33f7c5f1ff9..245840a7959e 100644
> --- a/drivers/pinctrl/sunxi/Makefile
> +++ b/drivers/pinctrl/sunxi/Makefile
> @@ -26,5 +26,6 @@ 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_SUN50I_R329) += pinctrl-sun50i-r329.o
> +obj-$(CONFIG_PINCTRL_SUN50I_R329_R) += pinctrl-sun50i-r329-r.o
> obj-$(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-r329-r.c b/drivers/pinctrl/sunxi/pinctrl-sun50i-r329-r.c
> new file mode 100644
> index 000000000000..dc4792c685ba
> --- /dev/null
> +++ b/drivers/pinctrl/sunxi/pinctrl-sun50i-r329-r.c
> @@ -0,0 +1,292 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Allwinner H616 R_PIO pin controller driver
This needs to be updated.
> + *
> + * Copyright (C) 2020 Arm Ltd.
> + * Based on former work, which is:
> + * Copyright (C) 2017 Icenowy Zheng <icenowy@xxxxxxx>
> + */
> +
> +#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_r329_r_pins[] = {
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "s_i2s"), /* LRCK */
"s_i2s0" for these would match existing drivers (and the manual).
Everything else matches the manual.
Regards,
Samuel
