diff options
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv7/tegra124/Kconfig | 10 | ||||
| -rw-r--r-- | arch/arm/cpu/tegra20-common/pmu.c | 21 |
2 files changed, 26 insertions, 5 deletions
diff --git a/arch/arm/cpu/armv7/tegra124/Kconfig b/arch/arm/cpu/armv7/tegra124/Kconfig index 6a1c83a27b..88f627c932 100644 --- a/arch/arm/cpu/armv7/tegra124/Kconfig +++ b/arch/arm/cpu/armv7/tegra124/Kconfig @@ -6,6 +6,15 @@ choice config TARGET_JETSON_TK1 bool "NVIDIA Tegra124 Jetson TK1 board" +config TARGET_NYAN_BIG + bool "Google/NVIDIA Nyan-big Chrombook" + help + Nyan Big is a Tegra124 clamshell board that is very similar + to venice2, but it has a different panel, the sdcard CD and WP + sense are flipped, and it has a different revision of the AS3722 + PMIC. The retail name is the Acer Chromebook 13 CB5-311-T7NN + (13.3-inch HD, NVIDIA Tegra K1, 2GB). + config TARGET_VENICE2 bool "NVIDIA Tegra124 Venice2" @@ -15,6 +24,7 @@ config SYS_SOC default "tegra124" source "board/nvidia/jetson-tk1/Kconfig" +source "board/nvidia/nyan-big/Kconfig" source "board/nvidia/venice2/Kconfig" endif diff --git a/arch/arm/cpu/tegra20-common/pmu.c b/arch/arm/cpu/tegra20-common/pmu.c index c595f70e93..36a76a24d9 100644 --- a/arch/arm/cpu/tegra20-common/pmu.c +++ b/arch/arm/cpu/tegra20-common/pmu.c @@ -6,6 +6,7 @@ */ #include <common.h> +#include <i2c.h> #include <tps6586x.h> #include <asm/io.h> #include <asm/arch/tegra.h> @@ -23,9 +24,13 @@ #define VDD_TRANSITION_STEP 0x06 /* 150mv */ #define VDD_TRANSITION_RATE 0x06 /* 3.52mv/us */ +#define PMI_I2C_ADDRESS 0x34 /* chip requires this address */ + int pmu_set_nominal(void) { - int core, cpu, bus; + struct udevice *bus, *dev; + int core, cpu; + int ret; /* by default, the table has been filled with T25 settings */ switch (tegra_get_chip_sku()) { @@ -42,12 +47,18 @@ int pmu_set_nominal(void) return -1; } - bus = tegra_i2c_get_dvc_bus_num(); - if (bus == -1) { + ret = tegra_i2c_get_dvc_bus(&bus); + if (ret) { debug("%s: Cannot find DVC I2C bus\n", __func__); - return -1; + return ret; } - tps6586x_init(bus); + ret = i2c_get_chip(bus, PMI_I2C_ADDRESS, &dev); + if (ret) { + debug("%s: Cannot find DVC I2C chip\n", __func__); + return ret; + } + + tps6586x_init(dev); tps6586x_set_pwm_mode(TPS6586X_PWM_SM1); return tps6586x_adjust_sm0_sm1(core, cpu, VDD_TRANSITION_STEP, VDD_TRANSITION_RATE, VDD_RELATION); |