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proxy: hv: Add trace_dptx.py for tracing dptx-phy on j473/t8112

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Signed-off-by: Janne Grunau <j@jannau.net>
This commit is contained in:
Janne Grunau 2023-02-01 14:45:03 +01:00
parent d98b0a3aa9
commit 6f057d3395
1 changed files with 24 additions and 0 deletions
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proxyclient/hv/trace_dptx.py Normal file
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# SPDX-License-Identifier: MIT
from m1n1.trace.gpio import GPIOTracer
# trace gpio interrups, useful to follow the cascaded interrupts
aic_phandle = getattr(hv.adt["/arm-io/aic"], "AAPL,phandle")
node = hv.adt["/arm-io/aop-gpio"]
path = "/arm-io/aop-gpio"
if getattr(node, "interrupt-parent") == aic_phandle:
for irq in getattr(node, "interrupts"):
hv.trace_irq(node.name, irq, 1, hv.IRQTRACE_IRQ)
PIN_NAMES_DP2HDMI_J473 = {
0x28: "force_dfp",
0x31: "hdmi_hpd",
}
GPIOTracer = GPIOTracer._reloadcls()
gpio_tracer = GPIOTracer(hv, path, PIN_NAMES_DP2HDMI_J473, verbose=0)
gpio_tracer.start()
trace_device("/arm-io/dptx-phy")