diff options
Diffstat (limited to 'target/linux/mvebu/patches-5.10/904-drivers-leds-Add-the-IEI-WT61P803-PUZZLE-LED-driver.patch')
| -rw-r--r-- | target/linux/mvebu/patches-5.10/904-drivers-leds-Add-the-IEI-WT61P803-PUZZLE-LED-driver.patch | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/target/linux/mvebu/patches-5.10/904-drivers-leds-Add-the-IEI-WT61P803-PUZZLE-LED-driver.patch b/target/linux/mvebu/patches-5.10/904-drivers-leds-Add-the-IEI-WT61P803-PUZZLE-LED-driver.patch deleted file mode 100644 index 3ac2427b80..0000000000 --- a/target/linux/mvebu/patches-5.10/904-drivers-leds-Add-the-IEI-WT61P803-PUZZLE-LED-driver.patch +++ /dev/null @@ -1,207 +0,0 @@ -From f3b44eb69cc561cf05d00506dcec0dd9be003ed8 Mon Sep 17 00:00:00 2001 -From: Luka Kovacic <luka.kovacic () sartura ! hr> -Date: Tue, 24 Aug 2021 12:44:35 +0000 -Subject: [PATCH 4/7] drivers: leds: Add the IEI WT61P803 PUZZLE LED driver - -Add support for the IEI WT61P803 PUZZLE LED driver. -Currently only the front panel power LED is supported, -since it is the only LED on this board wired through the -MCU. - -The LED is wired directly to the on-board MCU controller -and is toggled using an MCU command. - -Support for more LEDs is going to be added in case more -boards implement this microcontroller, as LEDs use many -different GPIOs. - -This driver depends on the IEI WT61P803 PUZZLE MFD driver. - -Signed-off-by: Luka Kovacic <luka.kovacic@sartura.hr> -Signed-off-by: Pavo Banicevic <pavo.banicevic@sartura.hr> -Cc: Luka Perkov <luka.perkov@sartura.hr> -Cc: Robert Marko <robert.marko@sartura.hr> ---- - drivers/leds/Kconfig | 8 ++ - drivers/leds/Makefile | 1 + - drivers/leds/leds-iei-wt61p803-puzzle.c | 147 ++++++++++++++++++++++++ - 3 files changed, 156 insertions(+) - create mode 100644 drivers/leds/leds-iei-wt61p803-puzzle.c - ---- a/drivers/leds/Kconfig -+++ b/drivers/leds/Kconfig -@@ -334,6 +334,14 @@ config LEDS_IPAQ_MICRO - Choose this option if you want to use the notification LED on - Compaq/HP iPAQ h3100 and h3600. - -+config LEDS_IEI_WT61P803_PUZZLE -+ tristate "LED Support for the IEI WT61P803 PUZZLE MCU" -+ depends on LEDS_CLASS -+ depends on MFD_IEI_WT61P803_PUZZLE -+ help -+ This option enables support for LEDs controlled by the IEI WT61P803 -+ M801 MCU. -+ - config LEDS_HP6XX - tristate "LED Support for the HP Jornada 6xx" - depends on LEDS_CLASS ---- a/drivers/leds/Makefile -+++ b/drivers/leds/Makefile -@@ -35,6 +35,7 @@ obj-$(CONFIG_LEDS_HP6XX) += leds-hp6xx. - obj-$(CONFIG_LEDS_INTEL_SS4200) += leds-ss4200.o - obj-$(CONFIG_LEDS_IP30) += leds-ip30.o - obj-$(CONFIG_LEDS_IPAQ_MICRO) += leds-ipaq-micro.o -+obj-$(CONFIG_LEDS_IEI_WT61P803_PUZZLE) += leds-iei-wt61p803-puzzle.o - obj-$(CONFIG_LEDS_IS31FL319X) += leds-is31fl319x.o - obj-$(CONFIG_LEDS_IS31FL32XX) += leds-is31fl32xx.o - obj-$(CONFIG_LEDS_KTD2692) += leds-ktd2692.o ---- /dev/null -+++ b/drivers/leds/leds-iei-wt61p803-puzzle.c -@@ -0,0 +1,147 @@ -+// SPDX-License-Identifier: GPL-2.0-only -+/* IEI WT61P803 PUZZLE MCU LED Driver -+ * -+ * Copyright (C) 2020 Sartura Ltd. -+ * Author: Luka Kovacic <luka.kovacic@sartura.hr> -+ */ -+ -+#include <linux/leds.h> -+#include <linux/mfd/iei-wt61p803-puzzle.h> -+#include <linux/mod_devicetable.h> -+#include <linux/module.h> -+#include <linux/platform_device.h> -+#include <linux/property.h> -+#include <linux/slab.h> -+ -+enum iei_wt61p803_puzzle_led_state { -+ IEI_LED_OFF = 0x30, -+ IEI_LED_ON = 0x31, -+ IEI_LED_BLINK_5HZ = 0x32, -+ IEI_LED_BLINK_1HZ = 0x33, -+}; -+ -+/** -+ * struct iei_wt61p803_puzzle_led - MCU LED Driver -+ * @cdev: LED classdev -+ * @mcu: MCU struct pointer -+ * @response_buffer Global MCU response buffer -+ * @lock: General mutex lock to protect simultaneous R/W access to led_power_state -+ * @led_power_state: State of the front panel power LED -+ */ -+struct iei_wt61p803_puzzle_led { -+ struct led_classdev cdev; -+ struct iei_wt61p803_puzzle *mcu; -+ unsigned char response_buffer[IEI_WT61P803_PUZZLE_BUF_SIZE]; -+ struct mutex lock; /* mutex to protect led_power_state */ -+ int led_power_state; -+}; -+ -+static inline struct iei_wt61p803_puzzle_led *cdev_to_iei_wt61p803_puzzle_led -+ (struct led_classdev *led_cdev) -+{ -+ return container_of(led_cdev, struct iei_wt61p803_puzzle_led, cdev); -+} -+ -+static int iei_wt61p803_puzzle_led_brightness_set_blocking(struct led_classdev *cdev, -+ enum led_brightness brightness) -+{ -+ struct iei_wt61p803_puzzle_led *priv = cdev_to_iei_wt61p803_puzzle_led(cdev); -+ unsigned char *resp_buf = priv->response_buffer; -+ unsigned char led_power_cmd[5] = {}; -+ size_t reply_size; -+ int ret; -+ -+ led_power_cmd[0] = IEI_WT61P803_PUZZLE_CMD_HEADER_START; -+ led_power_cmd[1] = IEI_WT61P803_PUZZLE_CMD_LED; -+ led_power_cmd[2] = IEI_WT61P803_PUZZLE_CMD_LED_POWER; -+ led_power_cmd[3] = brightness == LED_OFF ? IEI_LED_OFF : IEI_LED_ON; -+ -+ ret = iei_wt61p803_puzzle_write_command(priv->mcu, led_power_cmd, -+ sizeof(led_power_cmd), -+ resp_buf, -+ &reply_size); -+ if (ret) -+ return ret; -+ -+ if (reply_size != 3) -+ return -EIO; -+ -+ if (!(resp_buf[0] == IEI_WT61P803_PUZZLE_CMD_HEADER_START && -+ resp_buf[1] == IEI_WT61P803_PUZZLE_CMD_RESPONSE_OK && -+ resp_buf[2] == IEI_WT61P803_PUZZLE_CHECKSUM_RESPONSE_OK)) -+ return -EIO; -+ -+ mutex_lock(&priv->lock); -+ priv->led_power_state = brightness; -+ mutex_unlock(&priv->lock); -+ -+ return 0; -+} -+ -+static enum led_brightness iei_wt61p803_puzzle_led_brightness_get(struct led_classdev *cdev) -+{ -+ struct iei_wt61p803_puzzle_led *priv = cdev_to_iei_wt61p803_puzzle_led(cdev); -+ int led_state; -+ -+ mutex_lock(&priv->lock); -+ led_state = priv->led_power_state; -+ mutex_unlock(&priv->lock); -+ -+ return led_state; -+} -+ -+static int iei_wt61p803_puzzle_led_probe(struct platform_device *pdev) -+{ -+ struct device *dev = &pdev->dev; -+ struct iei_wt61p803_puzzle *mcu = dev_get_drvdata(dev->parent); -+ struct iei_wt61p803_puzzle_led *priv; -+ struct led_init_data init_data = {}; -+ struct fwnode_handle *child; -+ int ret; -+ -+ if (device_get_child_node_count(dev) != 1) -+ return -EINVAL; -+ -+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); -+ if (!priv) -+ return -ENOMEM; -+ -+ priv->mcu = mcu; -+ priv->led_power_state = 1; -+ mutex_init(&priv->lock); -+ dev_set_drvdata(dev, priv); -+ -+ child = device_get_next_child_node(dev, NULL); -+ init_data.fwnode = child; -+ -+ priv->cdev.brightness_set_blocking = iei_wt61p803_puzzle_led_brightness_set_blocking; -+ priv->cdev.brightness_get = iei_wt61p803_puzzle_led_brightness_get; -+ priv->cdev.max_brightness = 1; -+ -+ ret = devm_led_classdev_register_ext(dev, &priv->cdev, &init_data); -+ if (ret) -+ dev_err(dev, "Could not register LED\n"); -+ -+ fwnode_handle_put(child); -+ return ret; -+} -+ -+static const struct of_device_id iei_wt61p803_puzzle_led_of_match[] = { -+ { .compatible = "iei,wt61p803-puzzle-leds" }, -+ { } -+}; -+MODULE_DEVICE_TABLE(of, iei_wt61p803_puzzle_led_of_match); -+ -+static struct platform_driver iei_wt61p803_puzzle_led_driver = { -+ .driver = { -+ .name = "iei-wt61p803-puzzle-led", -+ .of_match_table = iei_wt61p803_puzzle_led_of_match, -+ }, -+ .probe = iei_wt61p803_puzzle_led_probe, -+}; -+module_platform_driver(iei_wt61p803_puzzle_led_driver); -+ -+MODULE_DESCRIPTION("IEI WT61P803 PUZZLE front panel LED driver"); -+MODULE_AUTHOR("Luka Kovacic <luka.kovacic@sartura.hr>"); -+MODULE_LICENSE("GPL v2"); -+MODULE_ALIAS("platform:leds-iei-wt61p803-puzzle"); |