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Mon, 21 Sep 2026 04:01:55 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Cosmin Tanislav , David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Magnus Damm Cc: linux-iio@vger.kernel.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH 1/3] dt-bindings: iio: adc: renesas,r9a09g077-adc: Drop unwired interrupts Date: Mon, 21 Sep 2026 12:01:42 +0100 Message-ID: <20260921110144.44425-2-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260921110144.44425-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20260921110144.44425-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Lad Prabhakar Remove the compare match and compare mismatch interrupts from the binding, as these interrupts are not wired to the GIC on RZ/T2H and RZ/N2H SoCs according to the hardware manual Rev. 1.30. While this change introduces an ABI break, the expected impact on existing users is minimal, if any, since the interrupts are not wired to the GIC and are not used by the driver. Fixes: 4d8d58987cb5 ("dt-bindings: iio: adc: document RZ/T2H and RZ/N2H ADC= ") Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- .../bindings/iio/adc/renesas,r9a09g077-adc.yaml | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/Documentation/devicetree/bindings/iio/adc/renesas,r9a09g077-ad= c.yaml b/Documentation/devicetree/bindings/iio/adc/renesas,r9a09g077-adc.ya= ml index 4b5934ac296b..5b496729022e 100644 --- a/Documentation/devicetree/bindings/iio/adc/renesas,r9a09g077-adc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/renesas,r9a09g077-adc.yaml @@ -34,8 +34,6 @@ properties: - description: A/D scan end interrupt for Group C - description: Window A compare match - description: Window B compare match - - description: Compare match - - description: Compare mismatch =20 interrupt-names: items: @@ -44,8 +42,6 @@ properties: - const: gcadi - const: cmpai - const: cmpbi - - const: wcmpm - - const: wcmpum =20 clocks: items: @@ -119,11 +115,9 @@ examples: , , , - , - , - ; 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charset="utf-8" From: Lad Prabhakar Remove the compare match and compare mismatch interrupts from the ADC device nodes, as these interrupts are not wired to the GIC according to the hardware manual Rev.1.30. Fixes: a82a42963c89 ("arm64: dts: renesas: r9a09g077: Add ADCs support") Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- arch/arm64/boot/dts/renesas/r9a09g077.dtsi | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) diff --git a/arch/arm64/boot/dts/renesas/r9a09g077.dtsi b/arch/arm64/boot/d= ts/renesas/r9a09g077.dtsi index 486692bb84cf..674e35e4f242 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g077.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a09g077.dtsi @@ -1271,11 +1271,9 @@ adc0: adc@90014000 { , , , - , - , - ; + ; interrupt-names =3D "adi", "gbadi", "gcadi", - "cmpai", "cmpbi", "wcmpm", "wcmpum"; + "cmpai", "cmpbi"; clocks =3D <&cpg CPG_CORE R9A09G077_CLK_PCLKL>, <&cpg CPG_MOD 206>; clock-names =3D "adclk", "pclk"; @@ -1295,11 +1293,9 @@ adc1: adc@90014400 { , , , - , - , - ; + ; interrupt-names =3D "adi", "gbadi", "gcadi", - "cmpai", "cmpbi", "wcmpm", "wcmpum"; + "cmpai", "cmpbi"; clocks =3D <&cpg CPG_CORE R9A09G077_CLK_PCLKL>, <&cpg CPG_MOD 207>; 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Mon, 21 Sep 2026 04:01:58 -0700 (PDT) Received: from iku.Home ([2a06:5906:61b:2d00:856:ad4f:1ab5:71b6]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49fcd07bc34sm214267425e9.10.2026.09.21.04.01.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Sep 2026 04:01:57 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Cosmin Tanislav , David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Magnus Damm Cc: linux-iio@vger.kernel.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH 3/3] arm64: dts: renesas: r9a09g087: Drop unwired ADC interrupts Date: Mon, 21 Sep 2026 12:01:44 +0100 Message-ID: <20260921110144.44425-4-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260921110144.44425-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20260921110144.44425-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Lad Prabhakar Remove the compare match and compare mismatch interrupts from the ADC device nodes, as these interrupts are not wired to the GIC according to the hardware manual Rev.1.30. Fixes: 4ed27b4fdeb1 ("arm64: dts: renesas: r9a09g087: Add ADCs support") Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- arch/arm64/boot/dts/renesas/r9a09g087.dtsi | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) diff --git a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi b/arch/arm64/boot/d= ts/renesas/r9a09g087.dtsi index bf81ab9b64c5..68c8daed557b 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi @@ -1274,11 +1274,9 @@ adc0: adc@90014000 { , , , - , - , - ; + ; interrupt-names =3D "adi", "gbadi", "gcadi", - "cmpai", "cmpbi", "wcmpm", "wcmpum"; + "cmpai", "cmpbi"; clocks =3D <&cpg CPG_CORE R9A09G087_CLK_PCLKL>, <&cpg CPG_MOD 206>; clock-names =3D "adclk", "pclk"; @@ -1298,11 +1296,9 @@ adc1: adc@90014400 { , , , - , - , - ; + ; interrupt-names =3D "adi", "gbadi", "gcadi", - "cmpai", "cmpbi", "wcmpm", "wcmpum"; + "cmpai", "cmpbi"; clocks =3D <&cpg CPG_CORE R9A09G087_CLK_PCLKL>, <&cpg CPG_MOD 207>; clock-names =3D "adclk", "pclk"; @@ -1322,11 +1318,9 @@ adc2: adc@80008000 { , , , - , - , - ; + ; interrupt-names =3D "adi", "gbadi", "gcadi", - "cmpai", "cmpbi", "wcmpm", "wcmpum"; + "cmpai", "cmpbi"; clocks =3D <&cpg CPG_CORE R9A09G087_CLK_PCLKL>, <&cpg CPG_MOD 225>; clock-names =3D "adclk", "pclk"; --=20 2.55.0