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enable fan in uboot for meles

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This commit is contained in:
SkyRain
2025-02-17 13:32:29 +00:00
committed by Han Gao
parent 6278bac553
commit 93ff49d9f5
2 changed files with 11 additions and 5 deletions
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3
arch/riscv/dts/light-milkv-meles.dts
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@@ -9,7 +9,8 @@
#size-cells = <2>;
config {
select-gpio = <&gpio1_porta 16 0>;
select-gpio = <&gpio1_porta 16 0>; // Enable the blue LED on Milk-V Meles
fan-gpio = <&gpio2_porta 4 0>; // Enable the fan on Milk-V Meles, see schematic for details
};
memory@0 {

13
board/thead/light-c910/board.c
View File

@@ -244,7 +244,7 @@ int do_bootslave(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
}
#endif
static void light_c910_set_gpio_output_high(void)
static void light_c910_set_gpio_output_high(const char* gpio_name)
{
ofnode node;
struct gpio_desc select_gpio;
@@ -257,9 +257,9 @@ static void light_c910_set_gpio_output_high(void)
return;
}
if (gpio_request_by_name_nodev(node, "select-gpio", 0,
if (gpio_request_by_name_nodev(node, gpio_name, 0,
&select_gpio, GPIOD_IS_OUT)) {
printf("%s: could not find a /config/select-gpio\n", __func__);
printf("%s: could not find a /config/%s\n", __func__, gpio_name);
return;
}
@@ -268,7 +268,12 @@ static void light_c910_set_gpio_output_high(void)
int misc_init_r(void)
{
light_c910_set_gpio_output_high();
// Enable blue LED
light_c910_set_gpio_output_high("select-gpio");
// Enable fan on some boards(currently only on Meles)
// For LPi4A, the fan is controlled by PWM, see lpi4a_fan_pwm_config() in light.c
light_c910_set_gpio_output_high("fan-gpio");
return 0;
}