From: Kevin Hilman <khilman@baylibre.com>
To: Andrew Goodbody <andrew.goodbody@linaro.org>,
Aaro Koskinen <aaro.koskinen@iki.fi>,
Andreas Kemnade <andreas@kemnade.info>,
Roger Quadros <rogerq@kernel.org>,
Tony Lindgren <tony@atomide.com>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: linux-omap@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Christopher Obbard <christopher.obbard@linaro.org>,
Andrew Goodbody <andrew.goodbody@linaro.org>
Subject: Re: [PATCH] ARM: dts: omap: dm816x: Correct pinctrl register
Date: Thu, 12 Mar 2026 17:17:21 -0700 [thread overview]
Message-ID: <7htsuk1t2m.fsf@baylibre.com> (raw)
In-Reply-To: <20260312-dm816x_dt-v1-1-ed3370b20799@linaro.org>
Andrew Goodbody <andrew.goodbody@linaro.org> writes:
> The delcaration in the pinmux device for the pinctrl registers is not
minor nit: s/delcaration/declaration/, but no need to respin. I'll fix
up when applying.
> correct. These registers are actually 32 bits wide, not 16. Also the
> mask for functional bits is also wrong. Functional bits are 0-4, not
> 0-3. So the mask needs to changed to 0x1f.
>
> This information is taken from the TMS320DM816x DaVinci
> Digital Media Processors Technical Reference Manual.
> SPRUGX8C March 2015
>
> Signed-off-by: Andrew Goodbody <andrew.goodbody@linaro.org>
good catch! Thank you for the fix.
Kevin
> ---
> arch/arm/boot/dts/ti/omap/dm816x.dtsi | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/boot/dts/ti/omap/dm816x.dtsi b/arch/arm/boot/dts/ti/omap/dm816x.dtsi
> index 407d7bc5b13a364548087dd5fb2659286bbd8537..a1e0e904e0f05cd725e71da70bffbde2dd2b2e38 100644
> --- a/arch/arm/boot/dts/ti/omap/dm816x.dtsi
> +++ b/arch/arm/boot/dts/ti/omap/dm816x.dtsi
> @@ -94,8 +94,8 @@ dm816x_pinmux: pinmux@800 {
> #address-cells = <1>;
> #size-cells = <0>;
> #pinctrl-cells = <1>;
> - pinctrl-single,register-width = <16>;
> - pinctrl-single,function-mask = <0xf>;
> + pinctrl-single,register-width = <32>;
> + pinctrl-single,function-mask = <0x1f>;
> };
>
> /* Device Configuration Registers */
>
> ---
> base-commit: f90aadf1c67c8b4969d1e5e6d4fd7227adb6e4d7
> change-id: 20260312-dm816x_dt-abe888f372e3
>
> Best regards,
> --
> Andrew Goodbody <andrew.goodbody@linaro.org>
next prev parent reply other threads:[~2026-03-13 0:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-12 14:16 [PATCH] ARM: dts: omap: dm816x: Correct pinctrl register Andrew Goodbody
2026-03-12 14:31 ` Christopher Obbard
2026-03-13 0:17 ` Kevin Hilman [this message]
2026-03-13 0:59 ` Kevin Hilman
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