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Fri, 17 Jul 2026 13:35:17 -0700 (PDT) Received: from jkangas-thinkpadp1gen3.rmtuswa.csb ([2601:1c2:4480:2110:932e:45ef:6b6c:ddd0]) by smtp.gmail.com with ESMTPSA id af79cd13be357-930b545e253sm232859985a.36.2026.07.17.13.35.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Jul 2026 13:35:15 -0700 (PDT) From: Jared Kangas Date: Fri, 17 Jul 2026 13:33:56 -0700 Subject: [PATCH v7] arm64: dts: s32g: Add GPR syscon region Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260717-upstream-s32g-gpr-syscon-v7-1-ee198f287682@redhat.com> X-B4-Tracking: v=1; b=H4sIAAAAAAAC/x3MMQ6DMAxA0asgz1iiARLKVVAHBE7wQIjsFhUh7 k7E+Ib/T1ASJoW+OEFoZ+UtZriygGkZYyDkORtMZWzlXg5/Sb9C44pam4AhCeqh0xbRtf5trO9 sNzeQ8yTk+f+sh8913XcTkxpqAAAA X-Change-ID: 20260717-upstream-s32g-gpr-syscon-75f926f868d4 To: Chester Lin , Matthias Brugger , Ghennadi Procopciuc , NXP S32 Linux Team , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Dan Carpenter , Jared Kangas , Dan Carpenter X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1784320513; l=2673; i=jkangas@redhat.com; s=20251111; h=from:subject:message-id; bh=Su44JoHUNIT+NILqohVHQyIxNtJALtkgLhgf6U3PzRs=; b=yu/MhwLbciKwwtbena2H4ob80CIrdSVWImmgvPDfdQYil0HgnUhDWGX8kWATuLCNUqkPL5X2N wWNF+/HbdMLDhuEOGC3Q65MuEZGnrTmnS9P3sZgL8Fmho2Q0bTXkoZZ X-Developer-Key: i=jkangas@redhat.com; a=ed25519; pk=eFM2Mqcfarb4qox390655bUATO0fG9gwgaw7kGmOEZQ= From: Dan Carpenter Add the GPR syscon region for the s32 chipset. Signed-off-by: Dan Carpenter [jkangas@redhat.com: GPR syscon resized from 0x3000 to 0x100] Tested-by: Jared Kangas Signed-off-by: Jared Kangas --- Revision of Dan's v6 patch based on discussion in [1] to avoid a panic when reading the debugfs regmap's registers file. [1]: https://lore.kernel.org/all/aej2X2Gp-UI3Vmvo@rh-jkangas-kernel/ v7: Shrink gpr size from 0x3000 -> 0x100, add 'arm64:' prefix to subject v6: no change v5: no change v4: no change v3: no change v2: Remove #address-cells and #size-cells --- arch/arm64/boot/dts/freescale/s32g2.dtsi | 6 ++++++ arch/arm64/boot/dts/freescale/s32g3.dtsi | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/s32g2.dtsi b/arch/arm64/boot/dts= /freescale/s32g2.dtsi index 809019ea0e299..81280ec6b07a9 100644 --- a/arch/arm64/boot/dts/freescale/s32g2.dtsi +++ b/arch/arm64/boot/dts/freescale/s32g2.dtsi @@ -325,6 +325,11 @@ usdhc0-200mhz-grp4 { }; }; =20 + gpr: syscon@4007c000 { + compatible =3D "nxp,s32g2-gpr", "syscon"; + reg =3D <0x4007c000 0x100>; + }; + ocotp: nvmem@400a4000 { compatible =3D "nxp,s32g2-ocotp"; reg =3D <0x400a4000 0x400>; @@ -795,6 +800,7 @@ gmac0: ethernet@4033c000 { compatible =3D "nxp,s32g2-dwmac"; reg =3D <0x4033c000 0x2000>, /* gmac IP */ <0x4007c004 0x4>; /* GMAC_0_CTRL_STS */ + nxp,phy-sel =3D <&gpr 0x4>; interrupt-parent =3D <&gic>; interrupts =3D ; interrupt-names =3D "macirq"; diff --git a/arch/arm64/boot/dts/freescale/s32g3.dtsi b/arch/arm64/boot/dts= /freescale/s32g3.dtsi index 22e80fc03f9c7..da35083a5e0e5 100644 --- a/arch/arm64/boot/dts/freescale/s32g3.dtsi +++ b/arch/arm64/boot/dts/freescale/s32g3.dtsi @@ -383,6 +383,11 @@ usdhc0-200mhz-grp4 { }; }; =20 + gpr: syscon@4007c000 { + compatible =3D "nxp,s32g3-gpr", "syscon"; + reg =3D <0x4007c000 0x100>; + }; + ocotp: nvmem@400a4000 { compatible =3D "nxp,s32g3-ocotp", "nxp,s32g2-ocotp"; reg =3D <0x400a4000 0x400>; @@ -874,6 +879,7 @@ gmac0: ethernet@4033c000 { compatible =3D "nxp,s32g2-dwmac"; reg =3D <0x4033c000 0x2000>, /* gmac IP */ <0x4007c004 0x4>; /* GMAC_0_CTRL_STS */ + nxp,phy-sel =3D <&gpr 0x4>; interrupt-parent =3D <&gic>; interrupts =3D ; interrupt-names =3D "macirq"; --- base-commit: fce2dfa773ced15f27dd27cd0b482a7473cdcf2a change-id: 20260717-upstream-s32g-gpr-syscon-75f926f868d4 Best regards, --=20 Jared Kangas