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The Power LUT (Look-up Table) register base was missing, also
add the bit define for sending serial LED data in reverse order,
and use the BIT() macro to define the bits in the control
register.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20241010-bcm63138-leds-v4-4-cdb80780a555@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
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This adds code to optionally read the width of the shift register
chain from the device tree and use it to set up the register
controlling the shifter hardware.
If the property is not present, the boot-time default is used so
existing device trees keep working as this is what they assume.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20241010-bcm63138-leds-v4-3-cdb80780a555@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
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Use scoped helpers and guards to handle DT node iterations
and spinlocks. This cuts some lines of code and eliminates
common mistakes (such as the missing of_node_put()).
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20241010-bcm63138-leds-v4-2-cdb80780a555@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
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Fix the 'make W=1" issue:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/leds/blink/leds-bcm63138.o
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240517-md-leds-bcm63138-v1-1-247b7302edb6@quicinc.com
Signed-off-by: Lee Jones <lee@kernel.org>
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The whole "enum led_brightness" is marked as obsolete. Replace it with a
(non-)zero check.
Reported-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
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It's a new controller first introduced in BCM63138 SoC. Later it was
also used in BCM4908, some BCM68xx and some BCM63xxx SoCs.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
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