From 3b0517bbd301fe4b6e842550402f7b200b2ab774 Mon Sep 17 00:00:00 2001
From: Evgeniy Paltsev <PaltsevEvgeniy@gmail.com>
Date: Wed, 4 May 2022 17:46:25 +0400
Subject: [PATCH] ARC: HSDK: remove pinmux_hsdk driver

Pinmux is depricated (see #39740) and shouldn't be used anymore

Signed-off-by: Evgeniy Paltsev <PaltsevEvgeniy@gmail.com>
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
---
 CODEOWNERS                                    |  1 -
 drivers/pinmux/CMakeLists.txt                 |  1 -
 drivers/pinmux/Kconfig                        |  2 -
 drivers/pinmux/Kconfig.hsdk                   |  8 --
 drivers/pinmux/pinmux_hsdk.c                  | 76 -------------------
 .../pinctrl/snps,creg-gpio-mux-hsdk.yaml      | 17 -----
 6 files changed, 105 deletions(-)
 delete mode 100644 drivers/pinmux/Kconfig.hsdk
 delete mode 100644 drivers/pinmux/pinmux_hsdk.c
 delete mode 100644 dts/bindings/pinctrl/snps,creg-gpio-mux-hsdk.yaml

diff --git a/CODEOWNERS b/CODEOWNERS
index ef9be0747bc704..0edd11fcd4e25a 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -336,7 +336,6 @@
 /drivers/peci/                            @albertofloyd @franciscomunoz @sjvasanth1
 /drivers/pinctrl/                         @gmarull
 /drivers/pinctrl/*esp32*                  @glaubermaroto
-/drivers/pinmux/*hsdk*                    @iriszzw
 /drivers/pinmux/*it8xxx2*                 @ite
 /drivers/pm_cpu_ops/                      @carlocaione
 /drivers/power_domain/                    @ceolin
diff --git a/drivers/pinmux/CMakeLists.txt b/drivers/pinmux/CMakeLists.txt
index c6d8389819d366..5f94a64566f102 100644
--- a/drivers/pinmux/CMakeLists.txt
+++ b/drivers/pinmux/CMakeLists.txt
@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: Apache-2.0
 
 # Board initialization
-zephyr_sources_ifdef(CONFIG_PINMUX_HSDK            pinmux_hsdk.c)
 zephyr_sources_ifdef(CONFIG_PINMUX_INTEL_S1000     pinmux_intel_s1000.c)
 zephyr_sources_ifdef(CONFIG_PINMUX_LPC11U6X        pinmux_lpc11u6x.c)
 zephyr_sources_ifdef(CONFIG_PINMUX_MCUX            pinmux_mcux.c)
diff --git a/drivers/pinmux/Kconfig b/drivers/pinmux/Kconfig
index 4a3df42d2cbc5f..dbe1693c068d8c 100644
--- a/drivers/pinmux/Kconfig
+++ b/drivers/pinmux/Kconfig
@@ -26,8 +26,6 @@ config PINMUX_INIT_PRIORITY
 
 source "drivers/pinmux/Kconfig.beetle"
 
-source "drivers/pinmux/Kconfig.hsdk"
-
 source "drivers/pinmux/Kconfig.intel_s1000"
 
 source "drivers/pinmux/Kconfig.lpc11u6x"
diff --git a/drivers/pinmux/Kconfig.hsdk b/drivers/pinmux/Kconfig.hsdk
deleted file mode 100644
index 3176eb8a4ee8de..00000000000000
--- a/drivers/pinmux/Kconfig.hsdk
+++ /dev/null
@@ -1,8 +0,0 @@
-# Copyright (c) 2019 Synopsys, Inc. All rights reserved.
-# SPDX-License-Identifier: Apache-2.0
-
-config PINMUX_HSDK
-	bool "ARC HSDK I/O pin mux driver"
-	depends on SOC_ARC_HSDK
-	help
-	  Enable driver for ARC HSDK I/O pin mux.
diff --git a/drivers/pinmux/pinmux_hsdk.c b/drivers/pinmux/pinmux_hsdk.c
deleted file mode 100644
index 6751ce2b7dc000..00000000000000
--- a/drivers/pinmux/pinmux_hsdk.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Copyright (c) 2019 Synopsys, Inc. All rights reserved.
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#define DT_DRV_COMPAT snps_creg_gpio_mux_hsdk
-
-#include <errno.h>
-#include <zephyr/device.h>
-#include <zephyr/drivers/pinmux.h>
-#include <soc.h>
-
-#define creg_gpio_mux_reg	(*(volatile uint32_t *)DT_INST_REG_ADDR(0))
-
-void _arc_sync(void)
-{
-	__asm__ volatile("sync");
-}
-
-static int pinmux_hsdk_set(const struct device *dev, uint32_t pin,
-			   uint32_t func)
-{
-
-	if (func >= HSDK_PINMUX_FUNS || pin >= HSDK_PINMUX_SELS)
-		return -EINVAL;
-
-	creg_gpio_mux_reg &= ~(0x07U << (pin * 3));
-	creg_gpio_mux_reg |= (func << (pin * 3));
-
-	_arc_sync();
-
-	return 0;
-}
-
-static int pinmux_hsdk_get(const struct device *dev, uint32_t pin,
-			   uint32_t *func)
-{
-
-	if (pin >= HSDK_PINMUX_SELS || func == NULL)
-		return -EINVAL;
-
-	*func = (creg_gpio_mux_reg >> (pin * 3)) & 0x07U;
-
-	return 0;
-}
-
-static int pinmux_hsdk_pullup(const struct device *dev, uint32_t pin,
-			      uint8_t func)
-{
-	return -ENOTSUP;
-}
-
-static int pinmux_hsdk_input(const struct device *dev, uint32_t pin,
-			     uint8_t func)
-{
-	return -ENOTSUP;
-}
-
-static int pinmux_hsdk_init(const struct device *dev)
-{
-	ARG_UNUSED(dev);
-	return 0;
-}
-
-static const struct pinmux_driver_api pinmux_hsdk_driver_api = {
-	.set = pinmux_hsdk_set,
-	.get = pinmux_hsdk_get,
-	.pullup = pinmux_hsdk_pullup,
-	.input = pinmux_hsdk_input,
-};
-
-DEVICE_DT_INST_DEFINE(0,
-		&pinmux_hsdk_init, NULL, NULL, NULL,
-		PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
-		&pinmux_hsdk_driver_api);
diff --git a/dts/bindings/pinctrl/snps,creg-gpio-mux-hsdk.yaml b/dts/bindings/pinctrl/snps,creg-gpio-mux-hsdk.yaml
deleted file mode 100644
index ce428a91db1e30..00000000000000
--- a/dts/bindings/pinctrl/snps,creg-gpio-mux-hsdk.yaml
+++ /dev/null
@@ -1,17 +0,0 @@
-# Copyright (c) 2021, Linaro Limited
-# SPDX-License-Identifier: Apache-2.0
-
-description: |
-  Synopsys CREG HSDK GPIO pin mux
-
-compatible: "snps,creg-gpio-mux-hsdk"
-
-include: base.yaml
-
-properties:
-    reg:
-      required: true
-
-pinmux-cells:
-  - pin
-  - function