[PATCH v1 1/5] board: lg-x3: convert LG Optimus 4X and Vu to use DM PMIC

[Svyatoslav Ryhel <clamor95@gmail.com>]

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>
---
 arch/arm/dts/tegra30-lg-x3.dtsi |  1 +
 board/lg/x3-t30/x3-t30-spl.c    |  2 +-
 board/lg/x3-t30/x3-t30.c        | 97 ++-------------------------------
 configs/x3_t30_defconfig        |  4 ++
 4 files changed, 11 insertions(+), 93 deletions(-)

diff --git a/arch/arm/dts/tegra30-lg-x3.dtsi b/arch/arm/dts/tegra30-lg-x3.dtsi
index 6e52fc5a53..aa207a70c7 100644
--- a/arch/arm/dts/tegra30-lg-x3.dtsi
+++ b/arch/arm/dts/tegra30-lg-x3.dtsi
@@ -110,6 +110,7 @@
 					regulator-name = "vdd_ddr_rx";
 					regulator-min-microvolt = <2850000>;
 					regulator-max-microvolt = <2850000>;
+					regulator-boot-on;
 				};
 			};
 		};
diff --git a/board/lg/x3-t30/x3-t30-spl.c b/board/lg/x3-t30/x3-t30-spl.c
index 864f2de45f..00f79dd1db 100644
--- a/board/lg/x3-t30/x3-t30-spl.c
+++ b/board/lg/x3-t30/x3-t30-spl.c
@@ -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>
 
diff --git a/board/lg/x3-t30/x3-t30.c b/board/lg/x3-t30/x3-t30.c
index a08e00dd87..2eaf16ded4 100644
--- a/board/lg/x3-t30/x3-t30.c
+++ b/board/lg/x3-t30/x3-t30.c
@@ -7,60 +7,14 @@
  *  Svyatoslav Ryhel <clamor95@gmail.com>
  */
 
-#include <common.h>
 #include <dm.h>
 #include <fdt_support.h>
-#include <i2c.h>
-#include <log.h>
 #include <asm/arch/pinmux.h>
 #include <asm/arch/clock.h>
-#include <asm/arch/gpio.h>
-#include <asm/arch/tegra.h>
 #include <asm/arch-tegra/fuse.h>
-#include <asm/gpio.h>
-#include <linux/delay.h>
-#include "pinmux-config-x3.h"
-
-#define MAX77663_I2C_ADDR		0x1C
-
-#define MAX77663_REG_SD2		0x18
-#define MAX77663_REG_LDO2		0x27
-#define MAX77663_REG_LDO3		0x29
-#define MAX77663_REG_LDO5		0x2D
-#define MAX77663_REG_ONOFF_CFG1		0x41
-#define   ONOFF_PWR_OFF			BIT(1)
-
-#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, MAX77663_I2C_ADDR, 1, &dev);
-	if (ret) {
-		log_debug("cannot find PMIC I2C chip\n");
-		return 0;
-	}
-
-	ret = dm_i2c_read(dev, MAX77663_REG_ONOFF_CFG1, data_buffer, 1);
-	if (ret)
-		return ret;
+#include <power/regulator.h>
 
-	data_buffer[0] |= ONOFF_PWR_OFF;
-
-	ret = dm_i2c_write(dev, MAX77663_REG_ONOFF_CFG1, 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
+#include "pinmux-config-x3.h"
 
 /*
  * Routine: pinmux_init
@@ -82,52 +36,11 @@ void pinmux_init(void)
 #endif
 }
 
-#ifdef CONFIG_MMC_SDHCI_TEGRA
-static void max77663_voltage_init(void)
-{
-	struct udevice *dev;
-	int ret;
-
-	ret = i2c_get_chip_for_busnum(0, MAX77663_I2C_ADDR, 1, &dev);
-	if (ret) {
-		log_debug("cannot find PMIC I2C chip\n");
-		return;
-	}
-
-	/* 0x60 for 1.8v, bit7:0 = voltage */
-	ret = dm_i2c_reg_write(dev, MAX77663_REG_SD2, 0x60);
-	if (ret)
-		log_debug("vdd_1v8_vio set failed: %d\n", ret);
-
-	/* 0xF2 for 3.30v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
-	ret = dm_i2c_reg_write(dev, MAX77663_REG_LDO2, 0xF2);
-	if (ret)
-		log_debug("avdd_usb set failed: %d\n", ret);
-
-	/* 0xEC for 3.00v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
-	ret = dm_i2c_reg_write(dev, MAX77663_REG_LDO3, 0xEC);
-	if (ret)
-		log_debug("vdd_usd set failed: %d\n", ret);
-
-	/* 0xE9 for 2.85v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
-	ret = dm_i2c_reg_write(dev, MAX77663_REG_LDO5, 0xE9);
-	if (ret)
-		log_debug("vcore_emmc 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 */
-	max77663_voltage_init();
-}
-#endif	/* MMC */
-
 int nvidia_board_init(void)
 {
+	/* Set up boot-on regulators */
+	regulators_enable_boot_on(true);
+
 	/* Set up panel bridge clocks */
 	clock_start_periph_pll(PERIPH_ID_EXTPERIPH3, CLOCK_ID_PERIPH,
 			       24 * 1000000);
diff --git a/configs/x3_t30_defconfig b/configs/x3_t30_defconfig
index a151f58524..90cbc2078a 100644
--- a/configs/x3_t30_defconfig
+++ b/configs/x3_t30_defconfig
@@ -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
@@ -64,11 +65,14 @@ CONFIG_FASTBOOT_CMD_OEM_FORMAT=y
 CONFIG_SYS_I2C_TEGRA=y
 CONFIG_BUTTON_KEYBOARD=y
 CONFIG_DM_PMIC=y
+CONFIG_DM_PMIC_MAX77663=y
 CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_MAX77663=y
 CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_PWM_TEGRA=y
 CONFIG_SYS_NS16550=y
 CONFIG_TEGRA20_SLINK=y
+CONFIG_SYSRESET_MAX77663=y
 CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_TEGRA=y
-- 
2.40.1