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([109.76.58.63]) by smtp.gmail.com with ESMTPSA id s17-20020a1cf211000000b003a603fbad5bsm4015482wmc.45.2022.08.16.11.26.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Aug 2022 11:26:00 -0700 (PDT) From: Conor Dooley To: Daire McNamara , Bjorn Helgaas , Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Greentime Hu , Palmer Dabbelt , Albert Ou , Lorenzo Pieralisi , Conor Dooley Cc: linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Subject: [PATCH v2 5/6] riscv: dts: microchip: mpfs: remove bogus card-detect-delay Date: Tue, 16 Aug 2022 19:25:47 +0100 Message-Id: <20220816182547.3454843-6-mail@conchuod.ie> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220816182547.3454843-1-mail@conchuod.ie> References: <20220816182547.3454843-1-mail@conchuod.ie> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Conor Dooley Recent versions of dt-schema warn about a previously undetected undocumented property: arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dtb: mmc@20008000: Unevaluate= d properties are not allowed ('card-detect-delay' was unexpected) From schema: Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml There are no GPIOs connected to MSSIO6B4 pin K3 so adding the common cd-debounce-delay-ms property makes no sense. The Cadence IP has a register that sets the card detect delay as "DP * tclk". On MPFS, this clock frequency is not configurable (it must be 200 MHz) & the FPGA comes out of reset with this register already set. Fixes: bc47b2217f24 ("riscv: dts: microchip: add the sundance polarberry") Fixes: 0fa6107eca41 ("RISC-V: Initial DTS for Microchip ICICLE board") Signed-off-by: Conor Dooley --- v2022.08 or later of dt-schema is required. --- arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts | 1 - arch/riscv/boot/dts/microchip/mpfs-polarberry.dts | 1 - 2 files changed, 2 deletions(-) diff --git a/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts b/arch/riscv= /boot/dts/microchip/mpfs-icicle-kit.dts index ee548ab61a2a..f3f87ed2007f 100644 --- a/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts +++ b/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts @@ -100,7 +100,6 @@ &mmc { disable-wp; cap-sd-highspeed; cap-mmc-highspeed; - card-detect-delay =3D <200>; mmc-ddr-1_8v; mmc-hs200-1_8v; sd-uhs-sdr12; diff --git a/arch/riscv/boot/dts/microchip/mpfs-polarberry.dts b/arch/riscv= /boot/dts/microchip/mpfs-polarberry.dts index dc11bb8fc833..c87cc2d8fe29 100644 --- a/arch/riscv/boot/dts/microchip/mpfs-polarberry.dts +++ b/arch/riscv/boot/dts/microchip/mpfs-polarberry.dts @@ -70,7 +70,6 @@ &mmc { disable-wp; cap-sd-highspeed; cap-mmc-highspeed; - card-detect-delay =3D <200>; mmc-ddr-1_8v; mmc-hs200-1_8v; sd-uhs-sdr12; --=20 2.37.1