Re: [PATCH v3 2/2] soc/tegra: pmc: Add Tegra210B01 support

From: Mikko Perttunen

Date: Thu Jul 23 2026 - 00:10:34 EST


On Thursday, July 23, 2026 11:46 AM Aaron Kling via B4 Relay wrote:
> From: Alexandre Hamamdjian <azkali.limited@xxxxxxxxx>
>
> The PMC in Tegra210B01 is very similar to the one in the original
> Tegra210, but has a few powergate differences. Specifically sata, venc,

I believe VENC does exist on T210B01.

Aside that,

Reviewed-by: Mikko Perttunen <mperttunen@xxxxxxxxxx>

> and ve2 are removed.
>
> Signed-off-by: Alexandre Hamamdjian <azkali.limited@xxxxxxxxx>
> Co-developed-by: Thomas Makin <halorocker89@xxxxxxxxx>
> Signed-off-by: Thomas Makin <halorocker89@xxxxxxxxx>
> Co-developed-by: Aaron Kling <webgeek1234@xxxxxxxxx>
> Signed-off-by: Aaron Kling <webgeek1234@xxxxxxxxx>
> ---
> drivers/soc/tegra/pmc.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 61 insertions(+)
>
> diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c
> index f419a5395545f..d133f445e4ec4 100644
> --- a/drivers/soc/tegra/pmc.c
> +++ b/drivers/soc/tegra/pmc.c
> @@ -3897,6 +3897,66 @@ static const struct tegra_pmc_soc tegra210_pmc_soc = {
> .has_single_mmio_aperture = true,
> };
>
> +static const char * const tegra210b01_powergates[] = {
> + [TEGRA_POWERGATE_CPU] = "crail",
> + [TEGRA_POWERGATE_3D] = "3d",
> + [TEGRA_POWERGATE_PCIE] = "pcie",
> + [TEGRA_POWERGATE_MPE] = "mpe",
> + [TEGRA_POWERGATE_CPU1] = "cpu1",
> + [TEGRA_POWERGATE_CPU2] = "cpu2",
> + [TEGRA_POWERGATE_CPU3] = "cpu3",
> + [TEGRA_POWERGATE_CPU0] = "cpu0",
> + [TEGRA_POWERGATE_C0NC] = "c0nc",
> + [TEGRA_POWERGATE_SOR] = "sor",
> + [TEGRA_POWERGATE_DIS] = "dis",
> + [TEGRA_POWERGATE_DISB] = "disb",
> + [TEGRA_POWERGATE_XUSBA] = "xusba",
> + [TEGRA_POWERGATE_XUSBB] = "xusbb",
> + [TEGRA_POWERGATE_XUSBC] = "xusbc",
> + [TEGRA_POWERGATE_VIC] = "vic",
> + [TEGRA_POWERGATE_IRAM] = "iram",
> + [TEGRA_POWERGATE_NVDEC] = "nvdec",
> + [TEGRA_POWERGATE_NVJPG] = "nvjpg",
> + [TEGRA_POWERGATE_AUD] = "aud",
> + [TEGRA_POWERGATE_DFD] = "dfd",
> +};
> +
> +static const struct tegra_pmc_soc tegra210b01_pmc_soc = {
> + .supports_core_domain = false,
> + .num_powergates = ARRAY_SIZE(tegra210b01_powergates),
> + .powergates = tegra210b01_powergates,
> + .num_cpu_powergates = ARRAY_SIZE(tegra210_cpu_powergates),
> + .cpu_powergates = tegra210_cpu_powergates,
> + .has_tsense_reset = true,
> + .has_gpu_clamps = true,
> + .needs_mbist_war = false,
> + .has_io_pad_wren = true,
> + .maybe_tz_only = true,
> + .num_io_pads = ARRAY_SIZE(tegra210_io_pads),
> + .io_pads = tegra210_io_pads,
> + .num_io_pad_vctrls = ARRAY_SIZE(tegra210_io_pad_vctrls),
> + .io_pad_vctrls = tegra210_io_pad_vctrls,
> + .num_pin_descs = ARRAY_SIZE(tegra210_pin_descs),
> + .pin_descs = tegra210_pin_descs,
> + .regs = &tegra20_pmc_regs,
> + .init = tegra20_pmc_init,
> + .setup_irq_polarity = tegra20_pmc_setup_irq_polarity,
> + .powergate_set = tegra114_powergate_set,
> + .irq_set_wake = tegra210_pmc_irq_set_wake,
> + .irq_set_type = tegra210_pmc_irq_set_type,
> + .reset_sources = tegra210_reset_sources,
> + .num_reset_sources = ARRAY_SIZE(tegra210_reset_sources),
> + .reset_levels = NULL,
> + .num_reset_levels = 0,
> + .num_wake_events = ARRAY_SIZE(tegra210_wake_events),
> + .wake_events = tegra210_wake_events,
> + .pmc_clks_data = tegra_pmc_clks_data,
> + .num_pmc_clks = ARRAY_SIZE(tegra_pmc_clks_data),
> + .has_blink_output = true,
> + .has_usb_sleepwalk = true,
> + .has_single_mmio_aperture = true,
> +};
> +
> static const struct tegra_io_pad_soc tegra186_io_pads[] = {
> TEGRA_IO_PAD(TEGRA_IO_PAD_CSIA, 0, 0x74, 0x78, "csia"),
> TEGRA_IO_PAD(TEGRA_IO_PAD_CSIB, 1, 0x74, 0x78, "csib"),
> @@ -4824,6 +4884,7 @@ static const struct of_device_id tegra_pmc_match[] = {
> { .compatible = "nvidia,tegra194-pmc", .data = &tegra194_pmc_soc },
> { .compatible = "nvidia,tegra186-pmc", .data = &tegra186_pmc_soc },
> { .compatible = "nvidia,tegra210-pmc", .data = &tegra210_pmc_soc },
> + { .compatible = "nvidia,tegra210b01-pmc", .data = &tegra210b01_pmc_soc },
> { .compatible = "nvidia,tegra132-pmc", .data = &tegra124_pmc_soc },
> { .compatible = "nvidia,tegra124-pmc", .data = &tegra124_pmc_soc },
> { .compatible = "nvidia,tegra114-pmc", .data = &tegra114_pmc_soc },
>
> --
> 2.54.0
>
>
>