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-rw-r--r--drivers/pinctrl/sunxi/Kconfig5
-rw-r--r--drivers/pinctrl/sunxi/Makefile1
-rw-r--r--drivers/pinctrl/sunxi/pinctrl-sun55i-a523.c54
3 files changed, 60 insertions, 0 deletions
diff --git a/drivers/pinctrl/sunxi/Kconfig b/drivers/pinctrl/sunxi/Kconfig
index a78fdbbdfc0c..0cbe46668365 100644
--- a/drivers/pinctrl/sunxi/Kconfig
+++ b/drivers/pinctrl/sunxi/Kconfig
@@ -131,4 +131,9 @@ config PINCTRL_SUN50I_H616_R
default ARM64 && ARCH_SUNXI
select PINCTRL_SUNXI
+config PINCTRL_SUN55I_A523
+ bool "Support for the Allwinner A523 PIO"
+ default ARM64 && ARCH_SUNXI
+ select PINCTRL_SUNXI
+
endif
diff --git a/drivers/pinctrl/sunxi/Makefile b/drivers/pinctrl/sunxi/Makefile
index f5bad7a52951..4e55508ff7f7 100644
--- a/drivers/pinctrl/sunxi/Makefile
+++ b/drivers/pinctrl/sunxi/Makefile
@@ -27,5 +27,6 @@ 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-$(CONFIG_PINCTRL_SUN55I_A523) += pinctrl-sun55i-a523.o
obj-$(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-sun55i-a523.c b/drivers/pinctrl/sunxi/pinctrl-sun55i-a523.c
new file mode 100644
index 000000000000..7d2308c37d29
--- /dev/null
+++ b/drivers/pinctrl/sunxi/pinctrl-sun55i-a523.c
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Allwinner A523 SoC pinctrl driver.
+ *
+ * Copyright (C) 2023 Arm Ltd.
+ */
+
+#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 u8 a523_nr_bank_pins[SUNXI_PINCTRL_MAX_BANKS] =
+/* PA PB PC PD PE PF PG PH PI PJ PK */
+ { 0, 15, 17, 24, 16, 7, 15, 20, 17, 28, 24 };
+
+static const unsigned int a523_irq_bank_map[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
+
+static const u8 a523_irq_bank_muxes[SUNXI_PINCTRL_MAX_BANKS] =
+/* PA PB PC PD PE PF PG PH PI PJ PK */
+ { 0, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14};
+
+static struct sunxi_pinctrl_desc a523_pinctrl_data = {
+ .irq_banks = ARRAY_SIZE(a523_irq_bank_map),
+ .irq_bank_map = a523_irq_bank_map,
+ .irq_read_needs_mux = true,
+ .io_bias_cfg_variant = BIAS_VOLTAGE_PIO_POW_MODE_SEL,
+};
+
+static int a523_pinctrl_probe(struct platform_device *pdev)
+{
+ return sunxi_pinctrl_dt_table_init(pdev, a523_nr_bank_pins,
+ a523_irq_bank_muxes,
+ &a523_pinctrl_data,
+ SUNXI_PINCTRL_NEW_REG_LAYOUT |
+ SUNXI_PINCTRL_ELEVEN_BANKS);
+}
+
+static const struct of_device_id a523_pinctrl_match[] = {
+ { .compatible = "allwinner,sun55i-a523-pinctrl", },
+ {}
+};
+
+static struct platform_driver a523_pinctrl_driver = {
+ .probe = a523_pinctrl_probe,
+ .driver = {
+ .name = "sun55i-a523-pinctrl",
+ .of_match_table = a523_pinctrl_match,
+ },
+};
+builtin_platform_driver(a523_pinctrl_driver);