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([51.37.234.167]) by smtp.gmail.com with ESMTPSA id az10-20020adfe18a000000b00210396b2eaesm9292305wrb.45.2022.06.18.05.32.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Jun 2022 05:32:07 -0700 (PDT) From: Conor Dooley To: David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Thierry Reding , Sam Ravnborg , Eugeniy Paltsev , Vinod Koul , Liam Girdwood , Mark Brown , Serge Semin , Daniel Lezcano , Palmer Dabbelt , Palmer Dabbelt Subject: [PATCH 05/14] dt-bindings: timer: add Canaan k210 to Synopsys DesignWare timer Date: Sat, 18 Jun 2022 13:30:27 +0100 Message-Id: <20220618123035.563070-6-mail@conchuod.ie> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220618123035.563070-1-mail@conchuod.ie> References: <20220618123035.563070-1-mail@conchuod.ie> MIME-Version: 1.0 X-Mailman-Approved-At: Mon, 20 Jun 2022 17:06:46 +0200 Cc: linux-riscv@lists.infradead.org, Niklas Cassel , alsa-devel@alsa-project.org, Albert Ou , devicetree@vger.kernel.org, Damien Le Moal , linux-kernel@vger.kernel.org, Heng Sia , linux-spi@vger.kernel.org, Conor Dooley , Jose Abreu , Geert Uytterhoeven , dri-devel@lists.freedesktop.org, Paul Walmsley , dmaengine@vger.kernel.org, Thomas Gleixner , Dillon Min , Masahiro Yamada X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Conor Dooley The Canaan k210 apparently has a Sysnopsys Designware timer but according to the documentation & devicetree it has 2 interrupts rather than the standard one. Add a custom compatible that supports the 2 interrupt configuration and falls back to the standard binding (which is currently the one in use in the devicetree entry). Link: https://canaan-creative.com/wp-content/uploads/2020/03/kendryte_standalone_programming_guide_20190311144158_en.pdf #Page 58 Signed-off-by: Conor Dooley --- .../bindings/timer/snps,dw-apb-timer.yaml | 28 +++++++++++++++---- 1 file changed, 22 insertions(+), 6 deletions(-) diff --git a/Documentation/devicetree/bindings/timer/snps,dw-apb-timer.yaml b/Documentation/devicetree/bindings/timer/snps,dw-apb-timer.yaml index d33c9205a909..9a76acc7a66f 100644 --- a/Documentation/devicetree/bindings/timer/snps,dw-apb-timer.yaml +++ b/Documentation/devicetree/bindings/timer/snps,dw-apb-timer.yaml @@ -12,6 +12,9 @@ maintainers: properties: compatible: oneOf: + - items: + - const: canaan,k210-apb-timer + - const: snps,dw-apb-timer - const: snps,dw-apb-timer - enum: - snps,dw-apb-timer-sp @@ -21,9 +24,6 @@ properties: reg: maxItems: 1 - interrupts: - maxItems: 1 - resets: maxItems: 1 @@ -41,7 +41,23 @@ properties: clock-frequency: true -additionalProperties: false +unevaluatedProperties: false + +if: + properties: + compatible: + contains: + const: canaan,k210-apb-timer + +then: + properties: + interrupts: + maxItems: 2 + +else: + properties: + interrupts: + maxItems: 1 required: - compatible @@ -60,8 +76,8 @@ oneOf: examples: - | timer@ffe00000 { - compatible = "snps,dw-apb-timer"; - interrupts = <0 170 4>; + compatible = "canaan,k210-apb-timer", "snps,dw-apb-timer"; + interrupts = <0 170 4>, <0 170 4>; reg = <0xffe00000 0x1000>; clocks = <&timer_clk>, <&timer_pclk>; clock-names = "timer", "pclk";