smallsolar/u-boot
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

board: transformer-t30: convert ASUS Transformers to use DM PMIC

Browse Source 
Since required drivers were merged, we can safely clean up the
board and switch to DM based driver with device tree support.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
This commit is contained in:
Svyatoslav Ryhel
2023-08-26 18:39:29 +03:00
parent 441dea268b
commit 8849951057
8 changed files with 16 additions and 131 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/dts/tegra30-asus-p1801-t.dts
View File

@@ -101,6 +101,7 @@
regulator-name = "vdd_emmc_core";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
};
/* uSD slot VDD */
@@ -108,6 +109,7 @@
regulator-name = "vdd_usd";
regulator-min-microvolt = <3100000>;
regulator-max-microvolt = <3100000>;
regulator-boot-on;
};
/* uSD slot VDDIO */

4
arch/arm/dts/tegra30-asus-tf600t.dts
View File

@@ -84,12 +84,14 @@
regulator-name = "vdd_1v2_backlight";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-boot-on;
};
vcore_lcd: vdd2 {
regulator-name = "vcore_lcd";
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1500000>;
regulator-boot-on;
};
vdd_1v8_vio: vddio {
@@ -105,6 +107,7 @@
regulator-name = "vdd_emmc_core";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
};
/* uSD slot VDDIO */
@@ -119,6 +122,7 @@
regulator-name = "avdd_dsi_csi";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-boot-on;
};
};
};

2
arch/arm/dts/tegra30-asus-transformer.dtsi
View File

@@ -82,6 +82,7 @@
regulator-name = "vdd_emmc_core";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
};
/* uSD slot VDD */
@@ -89,6 +90,7 @@
regulator-name = "vdd_usd";
regulator-min-microvolt = <3100000>;
regulator-max-microvolt = <3100000>;
regulator-boot-on;
};
/* uSD slot VDDIO */

10
board/asus/transformer-t30/Kconfig
View File

@@ -9,14 +9,4 @@ config SYS_VENDOR
config SYS_CONFIG_NAME
default "transformer-t30"
config TRANSFORMER_SPI_BOOT
bool "Enable support for SPI based flash"
select TEGRA20_SLINK
select DM_SPI_FLASH
select SPI_FLASH_WINBOND
help
Tegra 3 based Transformers with Windows RT have core
boot sequence (BCT and EBT) on separate SPI FLASH
memory with 4MB size.
endif

2
board/asus/transformer-t30/configs/tf600t.config
View File

@@ -1,4 +1,4 @@
CONFIG_DEFAULT_DEVICE_TREE="tegra30-asus-tf600t"
CONFIG_TRANSFORMER_SPI_BOOT=y
CONFIG_BOOTCOMMAND="setenv gpio_button 222; if run check_button; then poweroff; fi; setenv gpio_button 132; if run check_button; then echo Starting SPI flash update ...; run update_spi; fi; run bootcmd_usb0; run bootcmd_mmc1; run bootcmd_mmc0; poweroff;"
CONFIG_SPI_FLASH_WINBOND=y
CONFIG_USB_GADGET_PRODUCT_NUM=0x4d00

2
board/asus/transformer-t30/transformer-t30-spl.c
View File

@@ -9,7 +9,7 @@
* Svyatoslav Ryhel <clamor95@gmail.com>
*/
#include <common.h>
#include <asm/arch/tegra.h>
#include <asm/arch-tegra/tegra_i2c.h>
#include <linux/delay.h>

120
board/asus/transformer-t30/transformer-t30.c
View File

@@ -9,71 +9,13 @@
/* T30 Transformers derive from Cardhu board */
#include <common.h>
#include <dm.h>
#include <fdt_support.h>
#include <i2c.h>
#include <log.h>
#include <asm/arch/pinmux.h>
#include <asm/arch/gp_padctrl.h>
#include <asm/arch/gpio.h>
#include <asm/gpio.h>
#include <linux/delay.h>
#include "pinmux-config-transformer.h"
#define TPS65911_I2C_ADDRESS 0x2D
#define TPS65911_VDD1 0x21
#define TPS65911_VDD1_OP 0x22
#define TPS65911_LDO1 0x30
#define TPS65911_LDO2 0x31
#define TPS65911_LDO3 0x37
#define TPS65911_LDO5 0x32
#define TPS65911_LDO6 0x35
#define TPS65911_DEVCTRL 0x3F
#define DEVCTRL_PWR_OFF_MASK BIT(7)
#define DEVCTRL_DEV_ON_MASK BIT(2)
#define DEVCTRL_DEV_OFF_MASK BIT(0)
#ifdef CONFIG_CMD_POWEROFF
int do_poweroff(struct cmd_tbl *cmdtp, int flag,
int argc, char *const argv[])
{
struct udevice *dev;
uchar data_buffer[1];
int ret;
ret = i2c_get_chip_for_busnum(0, TPS65911_I2C_ADDRESS, 1, &dev);
if (ret) {
log_debug("cannot find PMIC I2C chip\n");
return 0;
}
ret = dm_i2c_read(dev, TPS65911_DEVCTRL, data_buffer, 1);
if (ret)
return ret;
data_buffer[0] |= DEVCTRL_PWR_OFF_MASK;
ret = dm_i2c_write(dev, TPS65911_DEVCTRL, data_buffer, 1);
if (ret)
return ret;
data_buffer[0] |= DEVCTRL_DEV_OFF_MASK;
data_buffer[0] &= ~DEVCTRL_DEV_ON_MASK;
ret = dm_i2c_write(dev, TPS65911_DEVCTRL, data_buffer, 1);
if (ret)
return ret;
// wait some time and then print error
mdelay(5000);
printf("Failed to power off!!!\n");
return 1;
}
#endif
/*
* Routine: pinmux_init
* Description: Do individual peripheral pinmux configs
@@ -92,66 +34,6 @@ void pinmux_init(void)
}
}
#ifdef CONFIG_MMC_SDHCI_TEGRA
static void tps65911_voltage_init(void)
{
struct udevice *dev;
int ret;
ret = i2c_get_chip_for_busnum(0, TPS65911_I2C_ADDRESS, 1, &dev);
if (ret) {
log_debug("cannot find PMIC I2C chip\n");
return;
}
/* TPS659110: LDO1_REG = 3.3v, ACTIVE to SDMMC4 */
ret = dm_i2c_reg_write(dev, TPS65911_LDO1, 0xc9);
if (ret)
log_debug("vcore_emmc set failed: %d\n", ret);
if (of_machine_is_compatible("asus,tf600t")) {
/* TPS659110: VDD1_REG = 1.2v, ACTIVE to backlight */
ret = dm_i2c_reg_write(dev, TPS65911_VDD1_OP, 0x33);
if (ret)
log_debug("vdd_bl set failed: %d\n", ret);
ret = dm_i2c_reg_write(dev, TPS65911_VDD1, 0x0d);
if (ret)
log_debug("vdd_bl enable failed: %d\n", ret);
/* TPS659110: LDO5_REG = 3.3v, ACTIVE to SDMMC1 VIO */
ret = dm_i2c_reg_write(dev, TPS65911_LDO5, 0x65);
if (ret)
log_debug("vdd_usd set failed: %d\n", ret);
/* TPS659110: LDO6_REG = 1.2v, ACTIVE to MIPI */
ret = dm_i2c_reg_write(dev, TPS65911_LDO6, 0x11);
if (ret)
log_debug("vdd_mipi set failed: %d\n", ret);
} else {
/* TPS659110: LDO2_REG = 3.1v, ACTIVE to SDMMC1 */
ret = dm_i2c_reg_write(dev, TPS65911_LDO2, 0xb9);
if (ret)
log_debug("vdd_usd set failed: %d\n", ret);
/* TPS659110: LDO3_REG = 3.1v, ACTIVE to SDMMC1 VIO */
ret = dm_i2c_reg_write(dev, TPS65911_LDO3, 0x5d);
if (ret)
log_debug("vddio_usd set failed: %d\n", ret);
}
}
/*
* Routine: pin_mux_mmc
* Description: setup the MMC muxes, power rails, etc.
*/
void pin_mux_mmc(void)
{
/* Bring up uSD and eMMC power */
tps65911_voltage_init();
}
#endif /* MMC */
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
int ft_board_setup(void *blob, struct bd_info *bd)
{

5
configs/transformer_t30_defconfig
View File

@@ -45,6 +45,7 @@ CONFIG_CMD_USB_MASS_STORAGE=y
CONFIG_CMD_UMS_ABORT_KEYED=y
# CONFIG_CMD_SETEXPR is not set
CONFIG_CMD_PAUSE=y
CONFIG_CMD_REGULATOR=y
CONFIG_CMD_EXT4_WRITE=y
# CONFIG_SPL_DOS_PARTITION is not set
# CONFIG_SPL_EFI_PARTITION is not set
@@ -65,10 +66,14 @@ CONFIG_I2C_MUX=y
CONFIG_I2C_MUX_GPIO=y
CONFIG_BUTTON_KEYBOARD=y
CONFIG_DM_PMIC=y
CONFIG_DM_PMIC_TPS65910=y
CONFIG_DM_REGULATOR=y
CONFIG_DM_REGULATOR_FIXED=y
CONFIG_DM_REGULATOR_TPS65911=y
CONFIG_PWM_TEGRA=y
CONFIG_SYS_NS16550=y
CONFIG_TEGRA20_SLINK=y
CONFIG_SYSRESET_TPS65910=y
CONFIG_USB=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_TEGRA=y