Linux 7.0.11 cm q64 v1.1#577
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document the Lontium LT8712SX and LT8713SX eDP to HDMI bridge. Signed-off-by: Jiali Chen <chenjiali@radxa.com>
drive the optional reset GPIO with the active-low polarity used by the bridge and leave it deasserted after reset. Signed-off-by: Jiali Chen <chenjiali@radxa.com>
register named CEC notifiers for LT8712SX bridges and update the physical address on HPD and EDID changes. Signed-off-by: Jiali Chen <chenjiali@radxa.com>
allow GPIO CEC adapters to name the connector notifier they bind to through the port-name property. Signed-off-by: Jiali Chen <chenjiali@radxa.com>
read the optional port-name property and pass it to CEC notifier registration so adapters can bind to a named connector. Signed-off-by: Jiali Chen <chenjiali@radxa.com>
update the CM-Q64 description to follow the v1.1 hardware revision. the fan driver circuit is on the core module, so move the fan PWM, tachometer and thermal cooling nodes from the Raspberry Pi CM5 IO carrier DTS into the shared CM-Q64 DTSI. add the L5C regulator because GPIO110 belongs to that power domain. Signed-off-by: Jiali Chen <chenjiali@radxa.com>
Replace the coarse high-duty-cycle table with evenly spaced steps from 0 to 255. This gives the thermal governor finer control over fan speed across the full PWM range. Signed-off-by: Jiali Chen <chenjiali@radxa.com>
The module is powered from a 5 V DC input, which feeds the 5 V system rail and the 4.3 V PMIC input rail. Model that path and describe the PCIe analog and 3.3 V supplies. On the CM5 IO board, model the GPIO-controlled M.2 3.3 V rail. Signed-off-by: Jiali Chen <chenjiali@radxa.com>
The two CEC GPIOs show an elevated communication error rate with 2 mA drive strength. Raise both pins to 16 mA to improve signal integrity. Signed-off-by: Jiali Chen <chenjiali@radxa.com>
The smaller CM-Q64 form factor reaches its thermal limits sooner than the reference platform. Lower the CPU and GPU passive trip points and poll the cluster sensors more frequently. Add per-CPU idle injection as a stronger mitigation stage while keeping fan cooling active from the first cluster alert. Signed-off-by: Jiali Chen <chenjiali@radxa.com>
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| if (lt8712sx->reset_gpio) | ||
| gpiod_set_value_cansleep(lt8712sx->reset_gpio, 1); | ||
| gpiod_set_value_cansleep(lt8712sx->reset_gpio, 0); |
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这里的极性配置如果都要反转的话是不是DTS active low/high设置不对？
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是的，但是按照一般惯例来说reset 是 active low，所以这里按照惯例修正一下极性
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上一版reset没连接，所以reset部分逻辑是凭感觉写的
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