board: grouper: convert ASUS Google Nexus 7 (2012) to use DM PMIC

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>

12 files changed, 24 insertions, 167 deletions

diff --git a/arch/arm/dts/tegra30-asus-nexus7-grouper-E1565.dts b/arch/arm/dts/tegra30-asus-nexus7-grouper-E1565.dts
index 945ae404acc..bfc675ca926 100644
--- a/arch/arm/dts/tegra30-asus-nexus7-grouper-E1565.dts
+++ b/arch/arm/dts/tegra30-asus-nexus7-grouper-E1565.dts
@@ -35,6 +35,7 @@
 					regulator-name = "vcore_emmc";
 					regulator-min-microvolt = <2850000>;
 					regulator-max-microvolt = <2850000>;
+					regulator-boot-on;
 				};
 			};
 		};
diff --git a/arch/arm/dts/tegra30-asus-nexus7-grouper-PM269.dts b/arch/arm/dts/tegra30-asus-nexus7-grouper-PM269.dts
index 4363bfc87d8..cf03011bc1f 100644
--- a/arch/arm/dts/tegra30-asus-nexus7-grouper-PM269.dts
+++ b/arch/arm/dts/tegra30-asus-nexus7-grouper-PM269.dts
@@ -36,6 +36,7 @@
 					regulator-name = "vdd_emmc_core";
 					regulator-min-microvolt = <3300000>;
 					regulator-max-microvolt = <3300000>;
+					regulator-boot-on;
 				};
 			};
 		};
diff --git a/arch/arm/dts/tegra30-asus-nexus7-tilapia-E1565.dts b/arch/arm/dts/tegra30-asus-nexus7-tilapia-E1565.dts
index 89348fde134..ef8b2b5049b 100644
--- a/arch/arm/dts/tegra30-asus-nexus7-tilapia-E1565.dts
+++ b/arch/arm/dts/tegra30-asus-nexus7-tilapia-E1565.dts
@@ -35,6 +35,7 @@
 					regulator-name = "vcore_emmc";
 					regulator-min-microvolt = <2850000>;
 					regulator-max-microvolt = <2850000>;
+					regulator-boot-on;
 				};
 			};
 		};
diff --git a/board/asus/grouper/Kconfig b/board/asus/grouper/Kconfig
index 47d9bae9468..f935cce4225 100644
--- a/board/asus/grouper/Kconfig
+++ b/board/asus/grouper/Kconfig
@@ -9,12 +9,4 @@ config SYS_VENDOR
 config SYS_CONFIG_NAME
 	default "grouper"
 
-config GROUPER_TPS65911
-	bool "Enable support TI TPS65911 PMIC"
-	select CMD_POWEROFF
-
-config GROUPER_MAX77663
-	bool "Enable support MAXIM MAX77663 PMIC"
-	select CMD_POWEROFF
-
 endif
diff --git a/board/asus/grouper/Makefile b/board/asus/grouper/Makefile
index e4a477a3669..d041cf80870 100644
--- a/board/asus/grouper/Makefile
+++ b/board/asus/grouper/Makefile
@@ -7,8 +7,8 @@
 #  Svyatoslav Ryhel <clamor95@gmail.com>
 
 ifdef CONFIG_SPL_BUILD
-obj-$(CONFIG_GROUPER_MAX77663) += grouper-spl-max.o
-obj-$(CONFIG_GROUPER_TPS65911) += grouper-spl-ti.o
+obj-$(CONFIG_DM_PMIC_MAX77663) += grouper-spl-max.o
+obj-$(CONFIG_DM_PMIC_TPS65910) += grouper-spl-ti.o
 endif
 
 obj-y += grouper.o
diff --git a/board/asus/grouper/configs/grouper_E1565.config b/board/asus/grouper/configs/grouper_E1565.config
index 4d8d5263fa9..265295c8b3e 100644
--- a/board/asus/grouper/configs/grouper_E1565.config
+++ b/board/asus/grouper/configs/grouper_E1565.config
@@ -1,2 +1,6 @@
 CONFIG_DEFAULT_DEVICE_TREE="tegra30-asus-nexus7-grouper-E1565"
-CONFIG_GROUPER_MAX77663=y
+CONFIG_CMD_POWEROFF=y
+# CONFIG_MAX77663_GPIO is not set
+CONFIG_DM_PMIC_MAX77663=y
+CONFIG_DM_REGULATOR_MAX77663=y
+CONFIG_SYSRESET_MAX77663=y
diff --git a/board/asus/grouper/configs/grouper_PM269.config b/board/asus/grouper/configs/grouper_PM269.config
index fc768b20517..a7ee3587edd 100644
--- a/board/asus/grouper/configs/grouper_PM269.config
+++ b/board/asus/grouper/configs/grouper_PM269.config
@@ -1,2 +1,6 @@
 CONFIG_DEFAULT_DEVICE_TREE="tegra30-asus-nexus7-grouper-PM269"
-CONFIG_GROUPER_TPS65911=y
+CONFIG_CMD_POWEROFF=y
+CONFIG_DM_PMIC_TPS65910=y
+# CONFIG_DM_REGULATOR_TPS65910 is not set
+CONFIG_DM_REGULATOR_TPS65911=y
+CONFIG_SYSRESET_TPS65910=y
diff --git a/board/asus/grouper/configs/tilapia.config b/board/asus/grouper/configs/tilapia.config
index 1fb0633e3a7..d461b4752a9 100644
--- a/board/asus/grouper/configs/tilapia.config
+++ b/board/asus/grouper/configs/tilapia.config
@@ -1,3 +1,7 @@
 CONFIG_DEFAULT_DEVICE_TREE="tegra30-asus-nexus7-tilapia-E1565"
-CONFIG_GROUPER_MAX77663=y
 CONFIG_SYS_PROMPT="Tegra30 (Tilapia) # "
+CONFIG_CMD_POWEROFF=y
+# CONFIG_MAX77663_GPIO is not set
+CONFIG_DM_PMIC_MAX77663=y
+CONFIG_DM_REGULATOR_MAX77663=y
+CONFIG_SYSRESET_MAX77663=y
diff --git a/board/asus/grouper/grouper-spl-max.c b/board/asus/grouper/grouper-spl-max.c
index 844383766a7..3e58bf97cc4 100644
--- a/board/asus/grouper/grouper-spl-max.c
+++ b/board/asus/grouper/grouper-spl-max.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/asus/grouper/grouper-spl-ti.c b/board/asus/grouper/grouper-spl-ti.c
index e5b78f01215..1dcce80b48c 100644
--- a/board/asus/grouper/grouper-spl-ti.c
+++ b/board/asus/grouper/grouper-spl-ti.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/asus/grouper/grouper.c b/board/asus/grouper/grouper.c
index 5398ec8b9f8..dc1d1102c3f 100644
--- a/board/asus/grouper/grouper.c
+++ b/board/asus/grouper/grouper.c
@@ -7,105 +7,12 @@
  *  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/gp_padctrl.h>
-#include <asm/arch/gpio.h>
-#include <asm/gpio.h>
-#include <linux/delay.h>
-#include "pinmux-config-grouper.h"
-
-#define TPS65911_I2C_ADDRESS		0x2D
-
-#define TPS65911_REG_LDO1		0x30
-#define TPS65911_REG_DEVCTRL		0x3F
-#define   DEVCTRL_PWR_OFF_MASK		BIT(7)
-#define   DEVCTRL_DEV_ON_MASK		BIT(2)
-#define   DEVCTRL_DEV_OFF_MASK		BIT(0)
-
-#define MAX77663_I2C_ADDRESS		0x3C
-
-#define MAX77663_REG_SD2		0x18
-#define MAX77663_REG_LDO3		0x29
-#define MAX77663_REG_ONOFF_CFG1		0x41
-#define   ONOFF_PWR_OFF			BIT(1)
-
-#ifdef CONFIG_CMD_POWEROFF
-#ifdef CONFIG_GROUPER_TPS65911
-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_REG_DEVCTRL, data_buffer, 1);
-	if (ret)
-		return ret;
-
-	data_buffer[0] |= DEVCTRL_PWR_OFF_MASK;
-
-	ret = dm_i2c_write(dev, TPS65911_REG_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_REG_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 /* CONFIG_GROUPER_TPS65911 */
-
-#ifdef CONFIG_GROUPER_MAX77663
-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_ADDRESS, 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;
-
-	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 /* CONFIG_GROUPER_MAX77663 */
-#endif /* CONFIG_CMD_POWEROFF */
+#include "pinmux-config-grouper.h"
 
 /*
  * Routine: pinmux_init
@@ -120,64 +27,6 @@ void pinmux_init(void)
 		ARRAY_SIZE(grouper_padctrl));
 }
 
-#ifdef CONFIG_MMC_SDHCI_TEGRA
-static void __maybe_unused 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_REG_LDO1, 0xC9);
-	if (ret)
-		log_debug("vcore_emmc set failed: %d\n", ret);
-}
-
-static void __maybe_unused max77663_voltage_init(void)
-{
-	struct udevice *dev;
-	int ret;
-
-	ret = i2c_get_chip_for_busnum(0, MAX77663_I2C_ADDRESS, 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);
-
-	/* 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("vcore_emmc set failed: %d\n", ret);
-}
-
-/*
- * Routine: pin_mux_mmc
- * Description: setup the MMC muxes, power rails, etc.
- */
-void pin_mux_mmc(void)
-{
-#ifdef CONFIG_GROUPER_MAX77663
-	/* Bring up eMMC power on MAX PMIC */
-	max77663_voltage_init();
-#endif
-
-#ifdef CONFIG_GROUPER_TPS65911
-	/* Bring up eMMC power on TI PMIC */
-	tps65911_voltage_init();
-#endif
-}
-#endif	/* MMC */
-
 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
 int ft_board_setup(void *blob, struct bd_info *bd)
 {
diff --git a/configs/grouper_common_defconfig b/configs/grouper_common_defconfig
index 258d7b1139c..616540f7d50 100644
--- a/configs/grouper_common_defconfig
+++ b/configs/grouper_common_defconfig
@@ -43,6 +43,7 @@ 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