Merge tag 'platform-drivers-x86-v6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Hans de Goede:

 - Microsoft Surface:
     - SSAM hot unplug support
     - Surface Pro 8 keyboard cover support
     - Tablet mode switch support for Surface Pro 8 and Surface Laptop
       Studio

 - thinkpad_acpi:
     - AMD Automatice Mode Transitions (AMT) support

 - Mellanox:
     - Vulcan chassis COMe NVSwitch management support
     - XH3000 support

 - New generic/shared Intel P2SB (Primary to Sideband) support

 - Lots of small cleanups

 - Various small bugfixes

 - Various new hardware ids / quirks additions

* tag 'platform-drivers-x86-v6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (105 commits)
  platform/x86/intel/vsec: Fix wrong type for local status variables
  platform/x86: p2sb: Move out of X86_PLATFORM_DEVICES dependency
  platform/x86: pmc_atom: Fix comment typo
  platform/surface: gpe: Add support for 13" Intel version of Surface Laptop 4
  platform/olpc: Fix uninitialized data in debugfs write
  platform/mellanox: mlxreg-lc: Fix error flow and extend verbosity
  platform/x86: pmc_atom: Match all Lex BayTrail boards with critclk_systems DMI table
  platform/x86: sony-laptop: Remove useless comparisons in sony_pic_read_possible_resource()
  tools/power/x86/intel-speed-select: Remove unneeded semicolon
  tools/power/x86/intel-speed-select: Fix off by one check
  platform/surface: tabletsw: Fix __le32 integer access
  Documentation/ABI: Add new attributes for mlxreg-io sysfs interfaces
  Documentation/ABI: mlxreg-io: Fix contact info
  platform/mellanox: mlxreg-io: Add locking for io operations
  platform/x86: mlx-platform: Add COME board revision register
  platform/x86: mlx-platform: Add support for new system XH3000
  platform/x86: mlx-platform: Introduce support for COMe NVSwitch management module for Vulcan chassis
  platform/x86: mlx-platform: Add support for systems equipped with two ASICs
  platform/x86: mlx-platform: Add cosmetic changes for alignment
  platform/x86: mlx-platform: Make activation of some drivers conditional
  ...

1 files changed, 105 insertions, 0 deletions

diff --git a/drivers/leds/simple/simatic-ipc-leds-gpio.c b/drivers/leds/simple/simatic-ipc-leds-gpio.c
new file mode 100644
index 000000000000..4c9e663a90ba
--- /dev/null
+++ b/drivers/leds/simple/simatic-ipc-leds-gpio.c
@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Siemens SIMATIC IPC driver for GPIO based LEDs
+ *
+ * Copyright (c) Siemens AG, 2022
+ *
+ * Authors:
+ *  Henning Schild <henning.schild@siemens.com>
+ */
+
+#include <linux/gpio/machine.h>
+#include <linux/gpio/consumer.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+static struct gpiod_lookup_table simatic_ipc_led_gpio_table = {
+	.dev_id = "leds-gpio",
+	.table = {
+		GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 51, NULL, 0, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 52, NULL, 1, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 53, NULL, 2, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 57, NULL, 3, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 58, NULL, 4, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 60, NULL, 5, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 56, NULL, 6, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 59, NULL, 7, GPIO_ACTIVE_HIGH),
+	},
+};
+
+static const struct gpio_led simatic_ipc_gpio_leds[] = {
+	{ .name = "green:" LED_FUNCTION_STATUS "-3" },
+	{ .name = "red:" LED_FUNCTION_STATUS "-1" },
+	{ .name = "green:" LED_FUNCTION_STATUS "-1" },
+	{ .name = "red:" LED_FUNCTION_STATUS "-2" },
+	{ .name = "green:" LED_FUNCTION_STATUS "-2" },
+	{ .name = "red:" LED_FUNCTION_STATUS "-3" },
+};
+
+static const struct gpio_led_platform_data simatic_ipc_gpio_leds_pdata = {
+	.num_leds	= ARRAY_SIZE(simatic_ipc_gpio_leds),
+	.leds		= simatic_ipc_gpio_leds,
+};
+
+static struct platform_device *simatic_leds_pdev;
+
+static int simatic_ipc_leds_gpio_remove(struct platform_device *pdev)
+{
+	gpiod_remove_lookup_table(&simatic_ipc_led_gpio_table);
+	platform_device_unregister(simatic_leds_pdev);
+
+	return 0;
+}
+
+static int simatic_ipc_leds_gpio_probe(struct platform_device *pdev)
+{
+	struct gpio_desc *gpiod;
+	int err;
+
+	gpiod_add_lookup_table(&simatic_ipc_led_gpio_table);
+	simatic_leds_pdev = platform_device_register_resndata(NULL,
+		"leds-gpio", PLATFORM_DEVID_NONE, NULL, 0,
+		&simatic_ipc_gpio_leds_pdata,
+		sizeof(simatic_ipc_gpio_leds_pdata));
+	if (IS_ERR(simatic_leds_pdev)) {
+		err = PTR_ERR(simatic_leds_pdev);
+		goto out;
+	}
+
+	/* PM_BIOS_BOOT_N */
+	gpiod = gpiod_get_index(&simatic_leds_pdev->dev, NULL, 6, GPIOD_OUT_LOW);
+	if (IS_ERR(gpiod)) {
+		err = PTR_ERR(gpiod);
+		goto out;
+	}
+	gpiod_put(gpiod);
+
+	/* PM_WDT_OUT */
+	gpiod = gpiod_get_index(&simatic_leds_pdev->dev, NULL, 7, GPIOD_OUT_LOW);
+	if (IS_ERR(gpiod)) {
+		err = PTR_ERR(gpiod);
+		goto out;
+	}
+	gpiod_put(gpiod);
+
+	return 0;
+out:
+	simatic_ipc_leds_gpio_remove(pdev);
+
+	return err;
+}
+
+static struct platform_driver simatic_ipc_led_gpio_driver = {
+	.probe = simatic_ipc_leds_gpio_probe,
+	.remove = simatic_ipc_leds_gpio_remove,
+	.driver = {
+		.name = KBUILD_MODNAME,
+	}
+};
+module_platform_driver(simatic_ipc_led_gpio_driver);
+
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" KBUILD_MODNAME);
+MODULE_SOFTDEP("pre: platform:leds-gpio");
+MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");