1 files changed, 54 insertions, 0 deletions
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);