From f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 01:04:47 +0000
Subject: [PATCH] add driver 5G
---
kernel/arch/arm/mach-davinci/board-da850-evm.c | 233 +++++++++++++++++++++++++++++++++++----------------------
1 files changed, 143 insertions(+), 90 deletions(-)
diff --git a/kernel/arch/arm/mach-davinci/board-da850-evm.c b/kernel/arch/arm/mach-davinci/board-da850-evm.c
index 774a3e5..7f7f6ba 100644
--- a/kernel/arch/arm/mach-davinci/board-da850-evm.c
+++ b/kernel/arch/arm/mach-davinci/board-da850-evm.c
@@ -1,7 +1,7 @@
/*
* TI DA850/OMAP-L138 EVM board
*
- * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
+ * Copyright (C) 2009 Texas Instruments Incorporated - https://www.ti.com/
*
* Derived from: arch/arm/mach-davinci/board-da830-evm.c
* Original Copyrights follow:
@@ -20,7 +20,6 @@
#include <linux/kernel.h>
#include <linux/leds.h>
#include <linux/i2c.h>
-#include <linux/platform_data/at24.h>
#include <linux/platform_data/pca953x.h>
#include <linux/input.h>
#include <linux/input/tps6507x-ts.h>
@@ -28,6 +27,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/partitions.h>
+#include <linux/nvmem-provider.h>
#include <linux/mtd/physmap.h>
#include <linux/platform_device.h>
#include <linux/platform_data/gpio-davinci.h>
@@ -36,6 +36,7 @@
#include <linux/platform_data/ti-aemif.h>
#include <linux/platform_data/spi-davinci.h>
#include <linux/platform_data/uio_pruss.h>
+#include <linux/property.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/tps6507x.h>
#include <linux/regulator/fixed.h>
@@ -43,9 +44,10 @@
#include <linux/spi/flash.h>
#include <mach/common.h>
-#include "cp_intc.h"
#include <mach/da8xx.h>
#include <mach/mux.h>
+
+#include "irqs.h"
#include "sram.h"
#include <asm/mach-types.h>
@@ -100,6 +102,31 @@
},
};
+static struct nvmem_cell_info da850evm_nvmem_cells[] = {
+ {
+ .name = "macaddr",
+ .offset = 0x0,
+ .bytes = ETH_ALEN,
+ }
+};
+
+static struct nvmem_cell_table da850evm_nvmem_cell_table = {
+ /*
+ * The nvmem name differs from the partition name because of the
+ * internal works of the nvmem framework.
+ */
+ .nvmem_name = "MAC-Address0",
+ .cells = da850evm_nvmem_cells,
+ .ncells = ARRAY_SIZE(da850evm_nvmem_cells),
+};
+
+static struct nvmem_cell_lookup da850evm_nvmem_cell_lookup = {
+ .nvmem_name = "MAC-Address0",
+ .cell_name = "macaddr",
+ .dev_id = "davinci_emac.1",
+ .con_id = "mac-address",
+};
+
static struct flash_platform_data da850evm_spiflash_data = {
.name = "m25p80",
.parts = da850evm_spiflash_part,
@@ -124,32 +151,6 @@
.chip_select = 0,
},
};
-
-#ifdef CONFIG_MTD
-static void da850_evm_m25p80_notify_add(struct mtd_info *mtd)
-{
- char *mac_addr = davinci_soc_info.emac_pdata->mac_addr;
- size_t retlen;
-
- if (!strcmp(mtd->name, "MAC-Address")) {
- mtd_read(mtd, 0, ETH_ALEN, &retlen, mac_addr);
- if (retlen == ETH_ALEN)
- pr_info("Read MAC addr from SPI Flash: %pM\n",
- mac_addr);
- }
-}
-
-static struct mtd_notifier da850evm_spi_notifier = {
- .add = da850_evm_m25p80_notify_add,
-};
-
-static void da850_evm_setup_mac_addr(void)
-{
- register_mtd_user(&da850evm_spi_notifier);
-}
-#else
-static void da850_evm_setup_mac_addr(void) { }
-#endif
static struct mtd_partition da850_evm_norflash_partition[] = {
{
@@ -238,7 +239,7 @@
.core_chipsel = 1,
.parts = da850_evm_nandflash_partition,
.nr_parts = ARRAY_SIZE(da850_evm_nandflash_partition),
- .ecc_mode = NAND_ECC_HW,
+ .engine_type = NAND_ECC_ENGINE_TYPE_ON_HOST,
.ecc_bits = 4,
.bbt_options = NAND_BBT_USE_FLASH,
.timing = &da850_evm_nandflash_timing,
@@ -631,19 +632,32 @@
}
}
-#define DA850_N_BB_USER_LED 2
-
static struct gpio_led da850_evm_bb_leds[] = {
- [0 ... DA850_N_BB_USER_LED - 1] = {
- .active_low = 1,
- .gpio = -1, /* assigned at runtime */
- .name = NULL, /* assigned at runtime */
+ {
+ .name = "user_led2",
+ },
+ {
+ .name = "user_led1",
},
};
static struct gpio_led_platform_data da850_evm_bb_leds_pdata = {
.leds = da850_evm_bb_leds,
.num_leds = ARRAY_SIZE(da850_evm_bb_leds),
+};
+
+static struct gpiod_lookup_table da850_evm_bb_leds_gpio_table = {
+ .dev_id = "leds-gpio",
+ .table = {
+ GPIO_LOOKUP_IDX("i2c-bb-expander",
+ DA850_EVM_BB_EXP_USER_LED2, NULL,
+ 0, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("i2c-bb-expander",
+ DA850_EVM_BB_EXP_USER_LED2 + 1, NULL,
+ 1, GPIO_ACTIVE_LOW),
+
+ { },
+ },
};
static struct platform_device da850_evm_bb_leds_device = {
@@ -653,20 +667,6 @@
.platform_data = &da850_evm_bb_leds_pdata
}
};
-
-static void da850_evm_bb_leds_init(unsigned gpio)
-{
- int i;
- struct gpio_led *led;
-
- for (i = 0; i < DA850_N_BB_USER_LED; i++) {
- led = &da850_evm_bb_leds[i];
-
- led->gpio = gpio + DA850_EVM_BB_EXP_USER_LED2 + i;
- led->name =
- da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_LED2 + i];
- }
-}
static int da850_evm_bb_expander_setup(struct i2c_client *client,
unsigned gpio, unsigned ngpio,
@@ -685,7 +685,7 @@
goto io_exp_setup_sw_fail;
}
- da850_evm_bb_leds_init(gpio);
+ gpiod_add_lookup_table(&da850_evm_bb_leds_gpio_table);
ret = platform_device_register(&da850_evm_bb_leds_device);
if (ret) {
pr_warn("Could not register baseboard GPIO expander LEDs");
@@ -729,10 +729,12 @@
},
{
I2C_BOARD_INFO("tca6416", 0x20),
+ .dev_name = "ui-expander",
.platform_data = &da850_evm_ui_expander_info,
},
{
I2C_BOARD_INFO("tca6416", 0x21),
+ .dev_name = "bb-expander",
.platform_data = &da850_evm_bb_expander_info,
},
};
@@ -780,10 +782,11 @@
.dev_id = "da830-mmc.0",
.table = {
/* gpio chip 2 contains gpio range 64-95 */
- GPIO_LOOKUP("davinci_gpio.0", DA850_MMCSD_CD_PIN, "cd",
+ GPIO_LOOKUP("davinci_gpio", DA850_MMCSD_CD_PIN, "cd",
GPIO_ACTIVE_LOW),
- GPIO_LOOKUP("davinci_gpio.0", DA850_MMCSD_WP_PIN, "wp",
+ GPIO_LOOKUP("davinci_gpio", DA850_MMCSD_WP_PIN, "wp",
GPIO_ACTIVE_HIGH),
+ { }
},
};
@@ -800,37 +803,79 @@
-1
};
-static void da850_panel_power_ctrl(int val)
-{
- /* lcd backlight */
- gpio_set_value(DA850_LCD_BL_PIN, val);
+static struct property_entry da850_lcd_backlight_props[] = {
+ PROPERTY_ENTRY_BOOL("default-on"),
+ { }
+};
- /* lcd power */
- gpio_set_value(DA850_LCD_PWR_PIN, val);
-}
+static struct gpiod_lookup_table da850_lcd_backlight_gpio_table = {
+ .dev_id = "gpio-backlight",
+ .table = {
+ GPIO_LOOKUP("davinci_gpio", DA850_LCD_BL_PIN, NULL, 0),
+ { }
+ },
+};
+
+static const struct platform_device_info da850_lcd_backlight_info = {
+ .name = "gpio-backlight",
+ .id = PLATFORM_DEVID_NONE,
+ .properties = da850_lcd_backlight_props,
+};
+
+static struct regulator_consumer_supply da850_lcd_supplies[] = {
+ REGULATOR_SUPPLY("lcd", NULL),
+};
+
+static struct regulator_init_data da850_lcd_supply_data = {
+ .consumer_supplies = da850_lcd_supplies,
+ .num_consumer_supplies = ARRAY_SIZE(da850_lcd_supplies),
+ .constraints = {
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+};
+
+static struct fixed_voltage_config da850_lcd_supply = {
+ .supply_name = "lcd",
+ .microvolts = 33000000,
+ .init_data = &da850_lcd_supply_data,
+};
+
+static struct platform_device da850_lcd_supply_device = {
+ .name = "reg-fixed-voltage",
+ .id = 1, /* Dummy fixed regulator is 0 */
+ .dev = {
+ .platform_data = &da850_lcd_supply,
+ },
+};
+
+static struct gpiod_lookup_table da850_lcd_supply_gpio_table = {
+ .dev_id = "reg-fixed-voltage.1",
+ .table = {
+ GPIO_LOOKUP("davinci_gpio", DA850_LCD_PWR_PIN, NULL, 0),
+ { }
+ },
+};
+
+static struct gpiod_lookup_table *da850_lcd_gpio_lookups[] = {
+ &da850_lcd_backlight_gpio_table,
+ &da850_lcd_supply_gpio_table,
+};
static int da850_lcd_hw_init(void)
{
+ struct platform_device *backlight;
int status;
- status = gpio_request(DA850_LCD_BL_PIN, "lcd bl");
- if (status < 0)
+ gpiod_add_lookup_tables(da850_lcd_gpio_lookups,
+ ARRAY_SIZE(da850_lcd_gpio_lookups));
+
+ backlight = platform_device_register_full(&da850_lcd_backlight_info);
+ if (IS_ERR(backlight))
+ return PTR_ERR(backlight);
+
+ status = platform_device_register(&da850_lcd_supply_device);
+ if (status)
return status;
-
- status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr");
- if (status < 0) {
- gpio_free(DA850_LCD_BL_PIN);
- return status;
- }
-
- gpio_direction_output(DA850_LCD_BL_PIN, 0);
- gpio_direction_output(DA850_LCD_PWR_PIN, 0);
-
- /* Switch off panel power and backlight */
- da850_panel_power_ctrl(0);
-
- /* Switch on panel power and backlight */
- da850_panel_power_ctrl(1);
return 0;
}
@@ -1039,16 +1084,29 @@
-1
};
+static struct gpiod_hog da850_evm_emac_gpio_hogs[] = {
+ {
+ .chip_label = "davinci_gpio",
+ .chip_hwnum = DA850_MII_MDIO_CLKEN_PIN,
+ .line_name = "mdio_clk_en",
+ .lflags = 0,
+ /* dflags set in da850_evm_config_emac() */
+ },
+ { }
+};
+
static int __init da850_evm_config_emac(void)
{
void __iomem *cfg_chip3_base;
int ret;
u32 val;
struct davinci_soc_info *soc_info = &davinci_soc_info;
- u8 rmii_en = soc_info->emac_pdata->rmii_en;
+ u8 rmii_en;
if (!machine_is_davinci_da850_evm())
return 0;
+
+ rmii_en = soc_info->emac_pdata->rmii_en;
cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
@@ -1077,14 +1135,9 @@
if (ret)
pr_warn("%s:GPIO(2,6) mux setup failed\n", __func__);
- ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
- if (ret) {
- pr_warn("Cannot open GPIO %d\n", DA850_MII_MDIO_CLKEN_PIN);
- return ret;
- }
-
- /* Enable/Disable MII MDIO clock */
- gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
+ da850_evm_emac_gpio_hogs[0].dflags = rmii_en ? GPIOD_OUT_HIGH
+ : GPIOD_OUT_LOW;
+ gpiod_add_hogs(da850_evm_emac_gpio_hogs);
soc_info->emac_pdata->phy_id = DA850_EVM_PHY_ID;
@@ -1395,6 +1448,9 @@
davinci_serial_init(da8xx_serial_device);
+ nvmem_add_cell_table(&da850evm_nvmem_cell_table);
+ nvmem_add_cell_lookups(&da850evm_nvmem_cell_lookup, 1);
+
i2c_register_board_info(1, da850_evm_i2c_devices,
ARRAY_SIZE(da850_evm_i2c_devices));
@@ -1432,7 +1488,6 @@
if (ret)
pr_warn("%s: LCD initialization failed: %d\n", __func__, ret);
- sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
if (ret)
pr_warn("%s: LCDC registration failed: %d\n", __func__, ret);
@@ -1466,8 +1521,6 @@
if (ret)
pr_warn("%s: SATA registration failed: %d\n", __func__, ret);
- da850_evm_setup_mac_addr();
-
ret = da8xx_register_rproc();
if (ret)
pr_warn("%s: dsp/rproc registration failed: %d\n",
@@ -1495,7 +1548,7 @@
MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM")
.atag_offset = 0x100,
.map_io = da850_evm_map_io,
- .init_irq = cp_intc_init,
+ .init_irq = da850_init_irq,
.init_time = da850_init_time,
.init_machine = da850_evm_init,
.init_late = davinci_init_late,
--
Gitblit v1.6.2