diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pwm/tegra_pwm.c | 10 | ||||
| -rw-r--r-- | drivers/spi/tegra20_slink.c | 19 | ||||
| -rw-r--r-- | drivers/usb/gadget/Kconfig | 3 |
3 files changed, 20 insertions, 12 deletions
diff --git a/drivers/pwm/tegra_pwm.c b/drivers/pwm/tegra_pwm.c index 36c35c608b..95fc26458b 100644 --- a/drivers/pwm/tegra_pwm.c +++ b/drivers/pwm/tegra_pwm.c @@ -20,19 +20,21 @@ static int tegra_pwm_set_config(struct udevice *dev, uint channel, { struct tegra_pwm_priv *priv = dev_get_priv(dev); struct pwm_ctlr *regs = priv->regs; + const u32 pwm_max_freq = dev_get_driver_data(dev); uint pulse_width; u32 reg; if (channel >= 4) return -EINVAL; debug("%s: Configure '%s' channel %u\n", __func__, dev->name, channel); - /* We ignore the period here and just use 32KHz */ - clock_start_periph_pll(PERIPH_ID_PWM, CLOCK_ID_SFROM32KHZ, 32768); + + clock_start_periph_pll(PERIPH_ID_PWM, CLOCK_ID_PERIPH, pwm_max_freq); pulse_width = duty_ns * 255 / period_ns; reg = pulse_width << PWM_WIDTH_SHIFT; reg |= 1 << PWM_DIVIDER_SHIFT; + reg |= PWM_ENABLE_MASK; writel(reg, ®s[channel].control); debug("%s: pulse_width=%u\n", __func__, pulse_width); @@ -68,8 +70,8 @@ static const struct pwm_ops tegra_pwm_ops = { }; static const struct udevice_id tegra_pwm_ids[] = { - { .compatible = "nvidia,tegra124-pwm" }, - { .compatible = "nvidia,tegra20-pwm" }, + { .compatible = "nvidia,tegra20-pwm", .data = 48 * 1000000 }, + { .compatible = "nvidia,tegra114-pwm", .data = 408 * 1000000 }, { } }; diff --git a/drivers/spi/tegra20_slink.c b/drivers/spi/tegra20_slink.c index 209ba8b0cc..d0e788539e 100644 --- a/drivers/spi/tegra20_slink.c +++ b/drivers/spi/tegra20_slink.c @@ -208,16 +208,14 @@ static int tegra30_spi_xfer(struct udevice *dev, unsigned int bitlen, u32 reg, tmpdout, tmpdin = 0; const u8 *dout = data_out; u8 *din = data_in; - int num_bytes; - int ret; + int num_bytes, overflow; + int ret = 0; debug("%s: slave %u:%u dout %p din %p bitlen %u\n", __func__, dev_seq(bus), spi_chip_select(dev), dout, din, bitlen); - if (bitlen % 8) - return -1; - num_bytes = bitlen / 8; - ret = 0; + num_bytes = DIV_ROUND_UP(bitlen, 8); + overflow = bitlen % 8; reg = readl(®s->status); writel(reg, ®s->status); /* Clear all SPI events via R/W */ @@ -254,8 +252,13 @@ static int tegra30_spi_xfer(struct udevice *dev, unsigned int bitlen, num_bytes -= bytes; - clrsetbits_le32(®s->command, SLINK_CMD_BIT_LENGTH_MASK, - bytes * 8 - 1); + if (overflow && !num_bytes) + clrsetbits_le32(®s->command, SLINK_CMD_BIT_LENGTH_MASK, + (bytes - 1) * 8 + overflow - 1); + else + clrsetbits_le32(®s->command, SLINK_CMD_BIT_LENGTH_MASK, + bytes * 8 - 1); + writel(tmpdout, ®s->tx_fifo); setbits_le32(®s->command, SLINK_CMD_GO); diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index e120efeb00..941f97c96d 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -40,6 +40,7 @@ if USB_GADGET config USB_GADGET_MANUFACTURER string "Vendor name of the USB device" + default "NVIDIA" if ARCH_TEGRA default "Allwinner Technology" if ARCH_SUNXI default "Rockchip" if ARCH_ROCKCHIP default "U-Boot" @@ -49,6 +50,7 @@ config USB_GADGET_MANUFACTURER config USB_GADGET_VENDOR_NUM hex "Vendor ID of the USB device" + default 0x0955 if ARCH_TEGRA default 0x1f3a if ARCH_SUNXI default 0x2207 if ARCH_ROCKCHIP default 0x0 @@ -59,6 +61,7 @@ config USB_GADGET_VENDOR_NUM config USB_GADGET_PRODUCT_NUM hex "Product ID of the USB device" + default 0x701a if ARCH_TEGRA default 0x1010 if ARCH_SUNXI default 0x310a if ROCKCHIP_RK3036 default 0x300a if ROCKCHIP_RK3066 |