[PATCH v2 12/14] soc/tegra: pmc: Add Tegra234 support

Thierry Reding thierry.reding at gmail.com
Thu Sep 17 06:07:50 EDT 2020


From: Thierry Reding <treding at nvidia.com>

The PMC block is largely similar to that found on earlier chips, but
not completely compatible. Allow binding to the instantiation found on
Tegra234.

Signed-off-by: Thierry Reding <treding at nvidia.com>
---
 drivers/soc/tegra/pmc.c | 67 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)

diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c
index 4071181a4a42..622496df6282 100644
--- a/drivers/soc/tegra/pmc.c
+++ b/drivers/soc/tegra/pmc.c
@@ -3362,6 +3362,73 @@ static const struct tegra_pmc_soc tegra194_pmc_soc = {
 	.has_blink_output = false,
 };
 
+static const struct tegra_pmc_regs tegra234_pmc_regs = {
+	.scratch0 = 0x2000,
+	.dpd_req = 0,
+	.dpd_status = 0,
+	.dpd2_req = 0,
+	.dpd2_status = 0,
+	.rst_status = 0x70,
+	.rst_source_shift = 0x2,
+	.rst_source_mask = 0xfc,
+	.rst_level_shift = 0x0,
+	.rst_level_mask = 0x3,
+};
+
+static const char * const tegra234_reset_sources[] = {
+	"SYS_RESET_N",
+	"AOWDT",
+	"BCCPLEXWDT",
+	"BPMPWDT",
+	"SCEWDT",
+	"SPEWDT",
+	"APEWDT",
+	"LCCPLEXWDT",
+	"SENSOR",
+	"AOTAG",
+	"VFSENSOR",
+	"MAINSWRST",
+	"SC7",
+	"HSM",
+	"CSITE",
+	"RCEWDT",
+	"PVA0WDT",
+	"PVA1WDT",
+	"L1A_ASYNC",
+	"BPMPBOOT",
+	"FUSECRC",
+};
+
+static const struct tegra_pmc_soc tegra234_pmc_soc = {
+	.num_powergates = 0,
+	.powergates = NULL,
+	.num_cpu_powergates = 0,
+	.cpu_powergates = NULL,
+	.has_tsense_reset = false,
+	.has_gpu_clamps = false,
+	.needs_mbist_war = false,
+	.has_impl_33v_pwr = true,
+	.maybe_tz_only = false,
+	.num_io_pads = 0,
+	.io_pads = NULL,
+	.num_pin_descs = 0,
+	.pin_descs = NULL,
+	.regs = &tegra234_pmc_regs,
+	.init = NULL,
+	.setup_irq_polarity = tegra186_pmc_setup_irq_polarity,
+	.irq_set_wake = tegra186_pmc_irq_set_wake,
+	.irq_set_type = tegra186_pmc_irq_set_type,
+	.reset_sources = tegra194_reset_sources,
+	.num_reset_sources = ARRAY_SIZE(tegra194_reset_sources),
+	.reset_levels = tegra186_reset_levels,
+	.num_reset_levels = ARRAY_SIZE(tegra186_reset_levels),
+	.num_wake_events = 0,
+	.wake_events = NULL,
+	.pmc_clks_data = NULL,
+	.num_pmc_clks = 0,
+	.has_blink_output = false,
+};
+
 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 },
-- 
2.28.0




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