platform/x86: simatic-ipc: add another model BX-21A

This adds support for the Siemens Simatic IPC model BX-21A. Actual
drivers for that model will be sent in separate patches.
Signed-off-by: Henning Schild <henning.schild@siemens.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230713115639.16419-2-henning.schild@siemens.comReviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

drivers/platform/x86/simatic-ipc.c

@@ -48,6 +48,7 @@ static struct {
 	{SIMATIC_IPC_IPC477E, SIMATIC_IPC_DEVICE_NONE, SIMATIC_IPC_DEVICE_427E},
 	{SIMATIC_IPC_IPCBX_39A, SIMATIC_IPC_DEVICE_227G, SIMATIC_IPC_DEVICE_227G},
 	{SIMATIC_IPC_IPCPX_39A, SIMATIC_IPC_DEVICE_NONE, SIMATIC_IPC_DEVICE_227G},
+	{SIMATIC_IPC_IPCBX_21A, SIMATIC_IPC_DEVICE_BX_21A, SIMATIC_IPC_DEVICE_NONE},
 };
 
 static int register_platform_devices(u32 station_id)
@@ -72,6 +73,8 @@ static int register_platform_devices(u32 station_id)
 			pdevname = KBUILD_MODNAME "_leds_gpio_apollolake";
 		if (ledmode == SIMATIC_IPC_DEVICE_227G)
 			pdevname = KBUILD_MODNAME "_leds_gpio_f7188x";
+		if (ledmode == SIMATIC_IPC_DEVICE_BX_21A)
+			pdevname = KBUILD_MODNAME "_leds_gpio_elkhartlake";
 		platform_data.devmode = ledmode;
 		ipc_led_platform_device =
 			platform_device_register_data(NULL,

include/linux/platform_data/x86/simatic-ipc-base.h

@@ -2,7 +2,7 @@
 /*
  * Siemens SIMATIC IPC drivers
  *
- * Copyright (c) Siemens AG, 2018-2021
+ * Copyright (c) Siemens AG, 2018-2023
  *
  * Authors:
  *  Henning Schild <henning.schild@siemens.com>
@@ -20,6 +20,7 @@
 #define SIMATIC_IPC_DEVICE_127E 3
 #define SIMATIC_IPC_DEVICE_227E 4
 #define SIMATIC_IPC_DEVICE_227G 5
+#define SIMATIC_IPC_DEVICE_BX_21A 6
 
 struct simatic_ipc_platform {
 	u8	devmode;

include/linux/platform_data/x86/simatic-ipc.h

@@ -2,7 +2,7 @@
 /*
  * Siemens SIMATIC IPC drivers
  *
- * Copyright (c) Siemens AG, 2018-2021
+ * Copyright (c) Siemens AG, 2018-2023
  *
  * Authors:
  *  Henning Schild <henning.schild@siemens.com>
@@ -34,6 +34,7 @@ enum simatic_ipc_station_ids {
 	SIMATIC_IPC_IPC227G = 0x00000F01,
 	SIMATIC_IPC_IPCBX_39A = 0x00001001,
 	SIMATIC_IPC_IPCPX_39A = 0x00001002,
+	SIMATIC_IPC_IPCBX_21A = 0x00001101,
 };
 
 static inline u32 simatic_ipc_get_station_id(u8 *data, int max_len)