modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/arch/arm/mach-davinci/board-dm646x-evm.c
..
..
@@ -22,7 +22,7 @@
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 #include <linux/gpio.h>
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 #include <linux/platform_device.h>
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 #include <linux/i2c.h>
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-#include <linux/platform_data/at24.h>
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+#include <linux/property.h>
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 #include <linux/platform_data/pcf857x.h>
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 #include <linux/platform_data/ti-aemif.h>
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28
 
..
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@@ -32,6 +32,7 @@
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 #include <linux/mtd/mtd.h>
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 #include <linux/mtd/rawnand.h>
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 #include <linux/mtd/partitions.h>
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+#include <linux/nvmem-provider.h>
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 #include <linux/clk.h>
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 #include <linux/export.h>
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 #include <linux/platform_data/gpio-davinci.h>
..
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@@ -43,10 +44,10 @@
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 #include <asm/mach/arch.h>
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45
 
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 #include <mach/common.h>
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-#include <mach/irqs.h>
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 #include <mach/serial.h>
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48
 
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 #include "davinci.h"
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+#include "irqs.h"
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51
 
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 #define NAND_BLOCK_SIZE		SZ_128K
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53
 
..
..
@@ -90,7 +91,7 @@
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 	.mask_ale 		= 0x40000,
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 	.parts			= davinci_nand_partitions,
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 	.nr_parts		= ARRAY_SIZE(davinci_nand_partitions),
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-	.ecc_mode		= NAND_ECC_HW,
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+	.engine_type		= NAND_ECC_ENGINE_TYPE_ON_HOST,
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 	.ecc_bits		= 1,
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 	.options		= 0,
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 };
..
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@@ -159,8 +160,7 @@
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 #define DM646X_EVM_ATA_PWD		BIT(1)
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161
 
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 /* CPLD Register 0 Client: used for I/O Control */
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-static int cpld_reg0_probe(struct i2c_client *client,
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-			   const struct i2c_device_id *id)
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+static int cpld_reg0_probe(struct i2c_client *client)
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 {
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 	if (HAS_ATA) {
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 		u8 data;
..
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@@ -196,7 +196,7 @@
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 static struct i2c_driver dm6467evm_cpld_driver = {
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 	.driver.name	= "cpld_reg0",
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 	.id_table	= cpld_reg_ids,
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-	.probe		= cpld_reg0_probe,
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+	.probe_new	= cpld_reg0_probe,
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 };
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 /* LEDS */
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@@ -266,20 +266,15 @@
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 		evm_sw_gpio[i] = gpio++;
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267
 
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 		status = gpio_direction_input(evm_sw_gpio[i]);
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-		if (status) {
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-			gpio_free(evm_sw_gpio[i]);
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-			evm_sw_gpio[i] = -EINVAL;
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+		if (status)
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 			goto out_free;
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-		}
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 		status = gpio_export(evm_sw_gpio[i], 0);
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-		if (status) {
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-			gpio_free(evm_sw_gpio[i]);
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-			evm_sw_gpio[i] = -EINVAL;
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+		if (status)
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 			goto out_free;
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-		}
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 	}
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-	return status;
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+	return 0;
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+
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 out_free:
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 	for (i = 0; i < 4; ++i) {
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 		if (evm_sw_gpio[i] != -EINVAL) {
..
..
@@ -342,12 +337,30 @@
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  *  - ... newer boards may have more
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  */
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339
 
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-static struct at24_platform_data eeprom_info = {
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-	.byte_len       = (256*1024) / 8,
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-	.page_size      = 64,
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-	.flags          = AT24_FLAG_ADDR16,
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-	.setup          = davinci_get_mac_addr,
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-	.context	= (void *)0x7f00,
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+static struct nvmem_cell_info dm646x_evm_nvmem_cells[] = {
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+	{
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+		.name		= "macaddr",
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+		.offset		= 0x7f00,
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+		.bytes		= ETH_ALEN,
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+	}
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+};
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+
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+static struct nvmem_cell_table dm646x_evm_nvmem_cell_table = {
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+	.nvmem_name	= "1-00500",
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+	.cells		= dm646x_evm_nvmem_cells,
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+	.ncells		= ARRAY_SIZE(dm646x_evm_nvmem_cells),
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+};
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+
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+static struct nvmem_cell_lookup dm646x_evm_nvmem_cell_lookup = {
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+	.nvmem_name	= "1-00500",
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+	.cell_name	= "macaddr",
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+	.dev_id		= "davinci_emac.1",
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+	.con_id		= "mac-address",
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+};
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+
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+static const struct property_entry eeprom_properties[] = {
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+	PROPERTY_ENTRY_U32("pagesize", 64),
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+	{ }
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 };
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 #endif
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366
 
..
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@@ -383,8 +396,7 @@
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 #ifdef CONFIG_I2C
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 static struct i2c_client *cpld_client;
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-static int cpld_video_probe(struct i2c_client *client,
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-			const struct i2c_device_id *id)
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+static int cpld_video_probe(struct i2c_client *client)
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 {
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 	cpld_client = client;
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 	return 0;
..
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@@ -405,7 +417,7 @@
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 	.driver = {
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 		.name	= "cpld_video",
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 	},
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-	.probe		= cpld_video_probe,
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+	.probe_new	= cpld_video_probe,
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 	.remove		= cpld_video_remove,
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 	.id_table	= cpld_video_id,
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 };
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@@ -418,7 +430,7 @@
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 static struct i2c_board_info __initdata i2c_info[] =  {
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 	{
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 		I2C_BOARD_INFO("24c256", 0x50),
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-		.platform_data  = &eeprom_info,
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+		.properties  = eeprom_properties,
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 	},
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 	{
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 		I2C_BOARD_INFO("pcf8574a", 0x38),
..
..
@@ -815,6 +827,8 @@
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 		pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
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828
 
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 #ifdef CONFIG_I2C
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+	nvmem_add_cell_table(&dm646x_evm_nvmem_cell_table);
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+	nvmem_add_cell_lookups(&dm646x_evm_nvmem_cell_lookup, 1);
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 	evm_init_i2c();
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 #endif
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834
 
..
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@@ -839,7 +853,7 @@
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 MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
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 	.atag_offset  = 0x100,
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 	.map_io       = davinci_map_io,
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-	.init_irq     = davinci_irq_init,
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+	.init_irq     = dm646x_init_irq,
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 	.init_time	= dm646x_evm_init_time,
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 	.init_machine = evm_init,
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 	.init_late	= davinci_init_late,
..
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@@ -849,7 +863,7 @@
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 MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
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 	.atag_offset  = 0x100,
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 	.map_io       = davinci_map_io,
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-	.init_irq     = davinci_irq_init,
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+	.init_irq     = dm646x_init_irq,
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 	.init_time	= dm6467t_evm_init_time,
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 	.init_machine = evm_init,
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 	.init_late	= davinci_init_late,