From: Raymond Mao <[email protected]> Add Spacemit P1 SoC support in SPL. And set the default voltage for BUCKs and LDOs.
Signed-off-by: Raymond Mao <[email protected]> --- arch/riscv/dts/k1-spl.dts | 128 ++++++++++++++++++++++++++++++++++---- board/spacemit/k1/spl.c | 83 ++++++++++++++++++++---- configs/k1_defconfig | 9 +++ 3 files changed, 198 insertions(+), 22 deletions(-) diff --git a/arch/riscv/dts/k1-spl.dts b/arch/riscv/dts/k1-spl.dts index f8b280fa96f..6dedca20f51 100644 --- a/arch/riscv/dts/k1-spl.dts +++ b/arch/riscv/dts/k1-spl.dts @@ -110,17 +110,6 @@ }; }; - i2c@d401d800 { /* i2c8 */ - status = "okay"; - bootph-pre-ram; - pmic@41 { - compatible = "pmic"; - reg = <0x41>; - status = "okay"; - bootph-pre-ram; - }; - }; - reset-controller@d4050000 { status = "okay"; bootph-pre-ram; @@ -131,3 +120,120 @@ status = "okay"; bootph-pre-ram; }; + +&i2c8 { + status = "okay"; + bootph-pre-ram; + pmic@41 { + compatible = "spacemit,p1"; + reg = <0x41>; + status = "okay"; + bootph-pre-ram; + + regulators { + buck1 { + regulator-name = "vdd_core"; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3450000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + bootph-pre-ram; + }; + + buck2 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3450000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + }; + + buck3_1v8: buck3 { + regulator-name = "vdd_1v8"; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <1800000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + bootph-pre-ram; + }; + + buck4 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3300000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + }; + + buck5 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3450000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + }; + + buck6 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3450000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + }; + + aldo1 { + regulator-name = "vdd_1v8_mmc"; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + bootph-pre-ram; + }; + + aldo2 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + aldo3 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + aldo4 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + dldo1 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + dldo2 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + dldo3 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + dldo4 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + dldo5 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + dldo6 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + dldo7 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + }; + }; +}; diff --git a/board/spacemit/k1/spl.c b/board/spacemit/k1/spl.c index 54bad9000fe..c08d168fd52 100644 --- a/board/spacemit/k1/spl.c +++ b/board/spacemit/k1/spl.c @@ -8,6 +8,7 @@ #include <clk-uclass.h> #include <cpu_func.h> #include <configs/k1.h> +#include <cpu_func.h> #include <dm/device.h> #include <dm/uclass.h> #include <dt-bindings/pinctrl/k1-pinctrl.h> @@ -15,8 +16,10 @@ #include <i2c.h> #include <linux/delay.h> #include <log.h> +#include <power/regulator.h> #include <spl.h> #include <tlv_eeprom.h> +#include "tlv_codes.h" #define I2C_PIN_CONFIG(x) ((x) | EDGE_NONE | PULL_UP | PAD_1V8_DS2) #define I2C_BUF_SIZE 64 @@ -117,6 +120,73 @@ void serial_early_init(void) panic("Serial uclass init failed: %d\n", ret); } +static void set_vdd_core(void) +{ + struct udevice *dev; + int ret; + + ret = regulator_get_by_platname("vdd_core", &dev); + if (ret) + panic("Fail to detect vdd_core (%d)\n", ret); + ret = regulator_set_enable(dev, true); + if (ret) + log_warning("Fail to enable vdd_core (%d)\n", ret); + ret = regulator_get_value(dev); + if (ret < 0) + log_warning("Fail to read vdd_core (%d)\n", ret); + log_info("vdd_core, value:%d\n", ret); +} + +static void set_vdd_1v8(void) +{ + struct udevice *dev; + int ret; + + ret = regulator_get_by_platname("vdd_1v8", &dev); + if (ret) + panic("Fail to detect vdd_1v8 (%d)\n", ret); + ret = regulator_set_value(dev, 1800000); + if (ret) + log_warning("Fail to set vdd_1v8 as 1800000 (%d)\n", ret); + ret = regulator_set_enable(dev, true); + if (ret) + log_warning("Fail to enable vdd_1v8 (%d)\n", ret); + ret = regulator_get_value(dev); + if (ret < 0) + log_warning("Fail to read vdd_1v8 (%d)\n", ret); + log_info("vdd_1v8, value:%d\n", ret); +} + +static void set_vdd_mmc(void) +{ + struct udevice *dev; + int ret; + + ret = regulator_get_by_platname("vdd_1v8_mmc", &dev); + if (ret) + panic("Fail to detect vdd_1v8_mmc (%d)\n", ret); + ret = regulator_set_enable(dev, true); + if (ret) + log_warning("Fail to enable vdd_1v8_mmc (%d)\n", ret); + ret = regulator_get_value(dev); + if (ret < 0) + log_warning("Fail to read vdd_1v8_mmc (%d)\n", ret); + log_info("vdd_1v8_mmc, value:%d\n", ret); +} + +void pmic_init(void) +{ + struct udevice *pmic_dev; + int ret; + + ret = uclass_get_device(UCLASS_PMIC, 0, &pmic_dev); + if (ret) + panic("Fail to detect PMIC (%d)\n", ret); + set_vdd_core(); + set_vdd_1v8(); + set_vdd_mmc(); +} + /* Load DDR training firmware */ int init_ddr_firmware(void) { @@ -167,6 +237,8 @@ void board_init_f(ulong dummy) log_info("Fail to detect board:%d\n", ret); else log_info("Get board name:%s\n", (char *)i2c_buf); + pmic_init(); + ddr_early_init(); } @@ -175,17 +247,6 @@ u32 spl_boot_device(void) return BOOT_DEVICE_NOR; } -void pmic_init(void) -{ - struct udevice *pmic_dev = NULL; - int ret; - - ret = uclass_get_device(UCLASS_PMIC, 0, &pmic_dev); - if (ret) - panic("Fail to detect PMIC:%d\n", ret); -} - void spl_board_init(void) { - pmic_init(); } diff --git a/configs/k1_defconfig b/configs/k1_defconfig index 0d5c3932797..49a2dbca4f0 100644 --- a/configs/k1_defconfig +++ b/configs/k1_defconfig @@ -66,3 +66,12 @@ CONFIG_SPL_I2C_EEPROM=y CONFIG_CMD_TLV_EEPROM=y CONFIG_SPL_CMD_TLV_EEPROM=y CONFIG_LOG=y +CONFIG_SPL_POWER=y +CONFIG_DM_PMIC=y +CONFIG_SPL_DM_PMIC=y +CONFIG_PMIC_SPACEMIT_P1=y +CONFIG_SPL_PMIC_SPACEMIT_P1=y +CONFIG_DM_REGULATOR=y +CONFIG_SPL_DM_REGULATOR=y +CONFIG_DM_REGULATOR_SPACEMIT_P1=y +CONFIG_SPL_DM_REGULATOR_SPACEMIT_P1=y -- 2.25.1
