Re: [PATCH] pinctrl: qcom: ipq5018: add missing pwm3 function on gpio13
From: Konrad Dybcio
Date: Mon Sep 21 2026 - 08:03:02 EST
On 9/21/26 11:34 AM, Gilberto Conde wrote:
> GPIO13 supports the PWM3 function at mux select value 4, but the
> pingroup table leaves that slot empty and gpio13 is not listed in
> pwm3_groups. Selecting pwm3 on gpio13 is therefore rejected by the
> pinmux core:
>
> ipq5018-tlmm: invalid group "gpio13" for function "pwm3"
>
> The GL.iNet GL-X2000 drives its fan from PWM3 on this pin, and the
> vendor firmware muxes it with select value 4:
>
> gpio13 : out low func4 8mA no pull
>
> Add pwm3 to the fourth function slot of gpio13 and list gpio13 in
> pwm3_groups. With this the pin muxes as expected:
>
> pin 13 (GPIO_13): device 1941010.pwm function pwm3 group gpio13
>
> Fixes: 725d1c891658 ("pinctrl: qcom: Add IPQ5018 pinctrl driver")
> Signed-off-by: Gilberto Conde <gilbertorconde@xxxxxxxxx>
> ---
> drivers/pinctrl/qcom/pinctrl-ipq5018.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/pinctrl/qcom/pinctrl-ipq5018.c b/drivers/pinctrl/qcom/pinctrl-ipq5018.c
> index 03cfba9534f..84392fe258c 100644
> --- a/drivers/pinctrl/qcom/pinctrl-ipq5018.c
> +++ b/drivers/pinctrl/qcom/pinctrl-ipq5018.c
> @@ -563,7 +563,7 @@ static const char * const qdss_cti_trig_out_b1_groups[] = {
> };
>
> static const char * const pwm3_groups[] = {
> - "gpio45",
> + "gpio45", "gpio13",
nit: usually these are sorted but I don't think it matters..
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
Konrad
> };
>
> static const char * const qdss_cti_trig_in_b1_groups[] = {
> @@ -689,7 +689,7 @@ static const struct msm_pingroup ipq5018_groups[] = {
> PINGROUP(10, blsp0_spi, blsp1_uart0, led0, gcc_plltest, qdss_tracedata_a, _, _, _, _),
> PINGROUP(11, blsp0_spi, blsp1_uart0, _, gcc_tlmm, qdss_tracedata_a, _, _, _, _),
> PINGROUP(12, blsp0_spi, blsp0_i2c, blsp1_uart0, _, gcc_plltest, qdss_tracedata_a, _, _, _),
> - PINGROUP(13, blsp0_spi, blsp0_i2c, blsp1_uart0, _, qdss_tracedata_a, _, _, _, _),
> + PINGROUP(13, blsp0_spi, blsp0_i2c, blsp1_uart0, pwm3, qdss_tracedata_a, _, _, _, _),
> PINGROUP(14, pcie0_clk, _, _, cri_trng0, qdss_tracedata_a, _, _, _, _),
> PINGROUP(15, _, _, cri_trng1, qdss_tracedata_a, _, _, _, _, _),
> PINGROUP(16, pcie0_wake, _, _, cri_trng, qdss_tracedata_a, _, _, _, _),