From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/drivers/mfd/dm355evm_msp.c | 82 +++++++++++++++++++++++++---------------
1 files changed, 51 insertions(+), 31 deletions(-)
diff --git a/kernel/drivers/mfd/dm355evm_msp.c b/kernel/drivers/mfd/dm355evm_msp.c
index 2a27567..54fb6cbd 100644
--- a/kernel/drivers/mfd/dm355evm_msp.c
+++ b/kernel/drivers/mfd/dm355evm_msp.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* dm355evm_msp.c - driver for MSP430 firmware on DM355EVM board
*
* Copyright (C) 2008 David Brownell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/init.h>
@@ -16,6 +12,7 @@
#include <linux/module.h>
#include <linux/err.h>
#include <linux/gpio.h>
+#include <linux/gpio/machine.h>
#include <linux/leds.h>
#include <linux/i2c.h>
#include <linux/mfd/dm355evm_msp.h>
@@ -118,6 +115,54 @@
*/
MSP_GPIO(2, SDMMC), MSP_GPIO(1, SDMMC), /* mmc0 WP, nCD */
MSP_GPIO(4, SDMMC), MSP_GPIO(3, SDMMC), /* mmc1 WP, nCD */
+};
+
+static struct gpio_led evm_leds[] = {
+ { .name = "dm355evm::ds14",
+ .default_trigger = "heartbeat", },
+ { .name = "dm355evm::ds15",
+ .default_trigger = "mmc0", },
+ { .name = "dm355evm::ds16",
+ /* could also be a CE-ATA drive */
+ .default_trigger = "mmc1", },
+ { .name = "dm355evm::ds17",
+ .default_trigger = "nand-disk", },
+ { .name = "dm355evm::ds18", },
+ { .name = "dm355evm::ds19", },
+ { .name = "dm355evm::ds20", },
+ { .name = "dm355evm::ds21", },
+};
+
+static struct gpio_led_platform_data evm_led_data = {
+ .num_leds = ARRAY_SIZE(evm_leds),
+ .leds = evm_leds,
+};
+
+static struct gpiod_lookup_table evm_leds_gpio_table = {
+ .dev_id = "leds-gpio",
+ .table = {
+ /*
+ * These GPIOs are on the dm355evm_msp
+ * GPIO chip at index 0..7
+ */
+ GPIO_LOOKUP_IDX("dm355evm_msp", 0, NULL,
+ 0, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("dm355evm_msp", 1, NULL,
+ 1, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("dm355evm_msp", 2, NULL,
+ 2, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("dm355evm_msp", 3, NULL,
+ 3, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("dm355evm_msp", 4, NULL,
+ 4, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("dm355evm_msp", 5, NULL,
+ 5, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("dm355evm_msp", 6, NULL,
+ 6, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("dm355evm_msp", 7, NULL,
+ 7, GPIO_ACTIVE_LOW),
+ { },
+ },
};
#define MSP_GPIO_REG(offset) (msp_gpios[(offset)] >> 3)
@@ -264,32 +309,7 @@
/* LED output */
if (msp_has_leds()) {
-#define GPIO_LED(l) .name = l, .active_low = true
- static struct gpio_led evm_leds[] = {
- { GPIO_LED("dm355evm::ds14"),
- .default_trigger = "heartbeat", },
- { GPIO_LED("dm355evm::ds15"),
- .default_trigger = "mmc0", },
- { GPIO_LED("dm355evm::ds16"),
- /* could also be a CE-ATA drive */
- .default_trigger = "mmc1", },
- { GPIO_LED("dm355evm::ds17"),
- .default_trigger = "nand-disk", },
- { GPIO_LED("dm355evm::ds18"), },
- { GPIO_LED("dm355evm::ds19"), },
- { GPIO_LED("dm355evm::ds20"), },
- { GPIO_LED("dm355evm::ds21"), },
- };
-#undef GPIO_LED
-
- struct gpio_led_platform_data evm_led_data = {
- .num_leds = ARRAY_SIZE(evm_leds),
- .leds = evm_leds,
- };
-
- for (i = 0; i < ARRAY_SIZE(evm_leds); i++)
- evm_leds[i].gpio = i + dm355evm_msp_gpio.base;
-
+ gpiod_add_lookup_table(&evm_leds_gpio_table);
/* NOTE: these are the only fully programmable LEDs
* on the board, since GPIO-61/ds22 (and many signals
* going to DC7) must be used for AEMIF address lines
--
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