linux-kernel - [PATCH 2/3] leds: simatic-ipc-leds-gpio: add support for module BX-59A

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Message-Id: <20230731071833.4725-1-xingtong_wu@163.com>
Date:   Mon, 31 Jul 2023 15:18:33 +0800
From:   xingtong_wu@....com
To:     pavel@....cz, lee@...nel.org, henning.schild@...mens.com,
        hdegoede@...hat.com, xingtong.wu@...mens.com,
        linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] leds: simatic-ipc-leds-gpio: add support for module BX-59A

From: "xingtong.wu" <xingtong.wu@...mens.com>

This is used for the Siemens Simatic IPC BX-59A, which has its LEDs
connected to GPIOs provided by the Nuvoton NCT6126D

Signed-off-by: xingtong.wu <xingtong.wu@...mens.com>
---
 .../leds/simple/simatic-ipc-leds-gpio-core.c  |  1 +
 .../simple/simatic-ipc-leds-gpio-f7188x.c     | 42 ++++++++++++++++---
 2 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/drivers/leds/simple/simatic-ipc-leds-gpio-core.c b/drivers/leds/simple/simatic-ipc-leds-gpio-core.c
index c552ea73ed9d..10dca208d8cc 100644
--- a/drivers/leds/simple/simatic-ipc-leds-gpio-core.c
+++ b/drivers/leds/simple/simatic-ipc-leds-gpio-core.c
@@ -58,6 +58,7 @@ int simatic_ipc_leds_gpio_probe(struct platform_device *pdev,
 	case SIMATIC_IPC_DEVICE_127E:
 	case SIMATIC_IPC_DEVICE_227G:
 	case SIMATIC_IPC_DEVICE_BX_21A:
+	case SIMATIC_IPC_DEVICE_BX_59A:
 		break;
 	default:
 		return -ENODEV;
diff --git a/drivers/leds/simple/simatic-ipc-leds-gpio-f7188x.c b/drivers/leds/simple/simatic-ipc-leds-gpio-f7188x.c
index 583a6b6c7c22..a5b544b20857 100644
--- a/drivers/leds/simple/simatic-ipc-leds-gpio-f7188x.c
+++ b/drivers/leds/simple/simatic-ipc-leds-gpio-f7188x.c
@@ -17,7 +17,10 @@
 
 #include "simatic-ipc-leds-gpio.h"
 
-static struct gpiod_lookup_table simatic_ipc_led_gpio_table = {
+static struct gpiod_lookup_table *led_lookup_table;
+static struct gpiod_lookup_table *led_lookup_table_extra;
+
+static struct gpiod_lookup_table simatic_ipc_led_gpio_table_227g = {
 	.dev_id = "leds-gpio",
 	.table = {
 		GPIO_LOOKUP_IDX("gpio-f7188x-2", 0, NULL, 0, GPIO_ACTIVE_LOW),
@@ -30,7 +33,7 @@ static struct gpiod_lookup_table simatic_ipc_led_gpio_table = {
 	},
 };
 
-static struct gpiod_lookup_table simatic_ipc_led_gpio_table_extra = {
+static struct gpiod_lookup_table simatic_ipc_led_gpio_table_extra_227g = {
 	.dev_id = NULL, /* Filled during initialization */
 	.table = {
 		GPIO_LOOKUP_IDX("gpio-f7188x-3", 6, NULL, 6, GPIO_ACTIVE_HIGH),
@@ -39,16 +42,43 @@ static struct gpiod_lookup_table simatic_ipc_led_gpio_table_extra = {
 	},
 };
 
+static struct gpiod_lookup_table simatic_ipc_led_gpio_table_bx_59a = {
+	.dev_id = "leds-gpio",
+	.table = {
+		GPIO_LOOKUP_IDX("gpio-f7188x-2", 0, NULL, 0, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("gpio-f7188x-2", 3, NULL, 1, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("gpio-f7188x-5", 3, NULL, 2, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("gpio-f7188x-5", 2, NULL, 3, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("gpio-f7188x-7", 7, NULL, 4, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("gpio-f7188x-7", 4, NULL, 5, GPIO_ACTIVE_LOW),
+		{} /* Terminating entry */
+	}
+};
+
 static int simatic_ipc_leds_gpio_f7188x_probe(struct platform_device *pdev)
 {
-	return simatic_ipc_leds_gpio_probe(pdev, &simatic_ipc_led_gpio_table,
-					   &simatic_ipc_led_gpio_table_extra);
+	const struct simatic_ipc_platform *plat = pdev->dev.platform_data;
+
+	switch (plat->devmode) {
+	case SIMATIC_IPC_DEVICE_227G:
+		led_lookup_table = &simatic_ipc_led_gpio_table_227g;
+		led_lookup_table_extra = &simatic_ipc_led_gpio_table_extra_227g;
+		break;
+	case SIMATIC_IPC_DEVICE_BX_59A:
+		led_lookup_table = &simatic_ipc_led_gpio_table_bx_59a;
+		break;
+	default:
+		return -ENODEV;
+	}
+
+	return simatic_ipc_leds_gpio_probe(pdev, led_lookup_table,
+					   led_lookup_table_extra);
 }
 
 static int simatic_ipc_leds_gpio_f7188x_remove(struct platform_device *pdev)
 {
-	return simatic_ipc_leds_gpio_remove(pdev, &simatic_ipc_led_gpio_table,
-					    &simatic_ipc_led_gpio_table_extra);
+	return simatic_ipc_leds_gpio_remove(pdev, led_lookup_table,
+					    led_lookup_table_extra);
 }
 
 static struct platform_driver simatic_ipc_led_gpio_driver = {
-- 
2.25.1