From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Jones Subject: Re: [PATCH 03/11] ARM: DT: STiH407: Add SPI 3 wire and 4 wire pinctrl configs Date: Fri, 11 Sep 2015 19:02:21 +0100 Message-ID: <20150911180221.GO18779@x1> References: <1441991194-11948-1-git-send-email-peter.griffin@linaro.org> <1441991194-11948-4-git-send-email-peter.griffin@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <1441991194-11948-4-git-send-email-peter.griffin@linaro.org> Sender: linux-kernel-owner@vger.kernel.org To: Peter Griffin Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, srinivas.kandagatla@gmail.com, maxime.coquelin@st.com, patrice.chotard@st.com, devicetree@vger.kernel.org, Christophe Kerello List-Id: devicetree@vger.kernel.org On Fri, 11 Sep 2015, Peter Griffin wrote: > This patch adds the spi pinctrl configurations for all SPI > controllers, and also the alternate muxings which > can be used depending on board design. >=20 > Signed-off-by: Christophe Kerello > Signed-off-by: Peter Griffin > --- > arch/arm/boot/dts/stih407-pinctrl.dtsi | 239 +++++++++++++++++++++++= +++++++++- > 1 file changed, 235 insertions(+), 4 deletions(-) Acked-by: Lee Jones > diff --git a/arch/arm/boot/dts/stih407-pinctrl.dtsi b/arch/arm/boot/d= ts/stih407-pinctrl.dtsi > index ce219a1..bb3b0c7 100644 > --- a/arch/arm/boot/dts/stih407-pinctrl.dtsi > +++ b/arch/arm/boot/dts/stih407-pinctrl.dtsi > @@ -262,6 +262,57 @@ > }; > }; > }; > + > + spi10 { > + pinctrl_spi10_default: spi10-4w-alt1-0 { > + st,pins { > + mtsr =3D <&pio4 6 ALT1 OUT>; > + mrst =3D <&pio4 7 ALT1 IN>; > + scl =3D <&pio4 5 ALT1 OUT>; > + }; > + }; > + > + pinctrl_spi10_3w_alt1_0: spi10-3w-alt1-0 { > + st,pins { > + mtsr =3D <&pio4 6 ALT1 BIDIR_PU>; > + scl =3D <&pio4 5 ALT1 OUT>; > + }; > + }; > + }; > + > + spi11 { > + pinctrl_spi11_default: spi11-4w-alt2-0 { > + st,pins { > + mtsr =3D <&pio3 1 ALT2 OUT>; > + mrst =3D <&pio3 0 ALT2 IN>; > + scl =3D <&pio3 2 ALT2 OUT>; > + }; > + }; > + > + pinctrl_spi11_3w_alt2_0: spi11-3w-alt2-0 { > + st,pins { > + mtsr =3D <&pio3 1 ALT2 BIDIR_PU>; > + scl =3D <&pio3 2 ALT2 OUT>; > + }; > + }; > + }; > + > + spi12 { > + pinctrl_spi12_default: spi12-4w-alt2-0 { > + st,pins { > + mtsr =3D <&pio3 6 ALT2 OUT>; > + mrst =3D <&pio3 4 ALT2 IN>; > + scl =3D <&pio3 7 ALT2 OUT>; > + }; > + }; > + > + pinctrl_spi12_3w_alt2_0: spi12-3w-alt2-0 { > + st,pins { > + mtsr =3D <&pio3 6 ALT2 BIDIR_PU>; > + scl =3D <&pio3 7 ALT2 OUT>; > + }; > + }; > + }; > }; > =20 > pin-controller-front0 { > @@ -451,11 +502,159 @@ > }; > =20 > spi0 { > - pinctrl_spi0_default: spi0-default { > + pinctrl_spi0_default: spi0-4w-alt2-0 { > + st,pins { > + mtsr =3D <&pio10 6 ALT2 OUT>; > + mrst =3D <&pio10 7 ALT2 IN>; > + scl =3D <&pio10 5 ALT2 OUT>; > + }; > + }; > + > + pinctrl_spi0_3w_alt2_0: spi0-3w-alt2-0 { > st,pins { > - mtsr =3D <&pio12 6 ALT2 BIDIR>; > - mrst =3D <&pio12 7 ALT2 BIDIR>; > - scl =3D <&pio12 5 ALT2 BIDIR>; > + mtsr =3D <&pio10 6 ALT2 BIDIR_PU>; > + scl =3D <&pio10 5 ALT2 OUT>; > + }; > + }; > + > + pinctrl_spi0_4w_alt1_0: spi0-4w-alt1-0 { > + st,pins { > + mtsr =3D <&pio19 7 ALT1 OUT>; > + mrst =3D <&pio19 5 ALT1 IN>; > + scl =3D <&pio19 6 ALT1 OUT>; > + }; > + }; > + > + pinctrl_spi0_3w_alt1_0: spi0-3w-alt1-0 { > + st,pins { > + mtsr =3D <&pio19 7 ALT1 BIDIR_PU>; > + scl =3D <&pio19 6 ALT1 OUT>; > + }; > + }; > + }; > + > + spi1 { > + pinctrl_spi1_default: spi1-4w-alt2-0 { > + st,pins { > + mtsr =3D <&pio11 1 ALT2 OUT>; > + mrst =3D <&pio11 2 ALT2 IN>; > + scl =3D <&pio11 0 ALT2 OUT>; > + }; > + }; > + > + pinctrl_spi1_3w_alt2_0: spi1-3w-alt2-0 { > + st,pins { > + mtsr =3D <&pio11 1 ALT2 BIDIR_PU>; > + scl =3D <&pio11 0 ALT2 OUT>; > + }; > + }; > + > + pinctrl_spi1_4w_alt1_0: spi1-4w-alt1-0 { > + st,pins { > + mtsr =3D <&pio14 3 ALT1 OUT>; > + mrst =3D <&pio14 4 ALT1 IN>; > + scl =3D <&pio14 2 ALT1 OUT>; > + }; > + }; > + > + pinctrl_spi1_3w_alt1_0: spi1-3w-alt1-0 { > + st,pins { > + mtsr =3D <&pio14 3 ALT1 BIDIR_PU>; > + scl =3D <&pio14 2 ALT1 OUT>; > + }; > + }; > + }; > + > + spi2 { > + pinctrl_spi2_default: spi2-4w-alt2-0 { > + st,pins { > + mtsr =3D <&pio12 6 ALT2 OUT>; > + mrst =3D <&pio12 7 ALT2 IN>; > + scl =3D <&pio12 5 ALT2 OUT>; > + }; > + }; > + > + pinctrl_spi2_3w_alt2_0: spi2-3w-alt2-0 { > + st,pins { > + mtsr =3D <&pio12 6 ALT2 BIDIR_PU>; > + scl =3D <&pio12 5 ALT2 OUT>; > + }; > + }; > + > + pinctrl_spi2_4w_alt1_0: spi2-4w-alt1-0 { > + st,pins { > + mtsr =3D <&pio14 6 ALT1 OUT>; > + mrst =3D <&pio14 7 ALT1 IN>; > + scl =3D <&pio14 5 ALT1 OUT>; > + }; > + }; > + > + pinctrl_spi2_3w_alt1_0: spi2-3w-alt1-0 { > + st,pins { > + mtsr =3D <&pio14 6 ALT1 BIDIR_PU>; > + scl =3D <&pio14 5 ALT1 OUT>; > + }; > + }; > + > + pinctrl_spi2_4w_alt2_1: spi2-4w-alt2-1 { > + st,pins { > + mtsr =3D <&pio15 6 ALT2 OUT>; > + mrst =3D <&pio15 7 ALT2 IN>; > + scl =3D <&pio15 5 ALT2 OUT>; > + }; > + }; > + > + pinctrl_spi2_3w_alt2_1: spi2-3w-alt2-1 { > + st,pins { > + mtsr =3D <&pio15 6 ALT2 BIDIR_PU>; > + scl =3D <&pio15 5 ALT2 OUT>; > + }; > + }; > + }; > + > + spi3 { > + pinctrl_spi3_default: spi3-4w-alt3-0 { > + st,pins { > + mtsr =3D <&pio13 6 ALT3 OUT>; > + mrst =3D <&pio13 7 ALT3 IN>; > + scl =3D <&pio13 5 ALT3 OUT>; > + }; > + }; > + > + pinctrl_spi3_3w_alt3_0: spi3-3w-alt3-0 { > + st,pins { > + mtsr =3D <&pio13 6 ALT3 BIDIR_PU>; > + scl =3D <&pio13 5 ALT3 OUT>; > + }; > + }; > + > + pinctrl_spi3_4w_alt1_0: spi3-4w-alt1-0 { > + st,pins { > + mtsr =3D <&pio17 7 ALT1 OUT>; > + mrst =3D <&pio17 5 ALT1 IN>; > + scl =3D <&pio17 6 ALT1 OUT>; > + }; > + }; > + > + pinctrl_spi3_3w_alt1_0: spi3-3w-alt1-0 { > + st,pins { > + mtsr =3D <&pio17 7 ALT1 BIDIR_PU>; > + scl =3D <&pio17 6 ALT1 OUT>; > + }; > + }; > + > + pinctrl_spi3_4w_alt1_1: spi3-4w-alt1-1 { > + st,pins { > + mtsr =3D <&pio18 6 ALT1 OUT>; > + mrst =3D <&pio18 7 ALT1 IN>; > + scl =3D <&pio18 5 ALT1 OUT>; > + }; > + }; > + > + pinctrl_spi3_3w_alt1_1: spi3-3w-alt1-1 { > + st,pins { > + mtsr =3D <&pio18 6 ALT1 BIDIR_PU>; > + scl =3D <&pio18 5 ALT1 OUT>; > }; > }; > }; > @@ -578,6 +777,38 @@ > }; > }; > }; > + > + spi4 { > + pinctrl_spi4_default: spi4-4w-alt1-0 { > + st,pins { > + mtsr =3D <&pio30 1 ALT1 OUT>; > + mrst =3D <&pio30 2 ALT1 IN>; > + scl =3D <&pio30 0 ALT1 OUT>; > + }; > + }; > + > + pinctrl_spi4_3w_alt1_0: spi4-3w-alt1-0 { > + st,pins { > + mtsr =3D <&pio30 1 ALT1 BIDIR_PU>; > + scl =3D <&pio30 0 ALT1 OUT>; > + }; > + }; > + > + pinctrl_spi4_4w_alt3_0: spi4-4w-alt3-0 { > + st,pins { > + mtsr =3D <&pio34 1 ALT3 OUT>; > + mrst =3D <&pio34 2 ALT3 IN>; > + scl =3D <&pio34 0 ALT3 OUT>; > + }; > + }; > + > + pinctrl_spi4_3w_alt3_0: spi4-3w-alt3-0 { > + st,pins { > + mtsr =3D <&pio34 1 ALT3 BIDIR_PU>; > + scl =3D <&pio34 0 ALT3 OUT>; > + }; > + }; > + }; > }; > =20 > pin-controller-flash { --=20 Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org =E2=94=82 Open source software for ARM SoCs =46ollow Linaro: Facebook | Twitter | Blog