Message ID | 20230724-th1520-emmc-v2-3-132ed2e2171e@baylibre.com |
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State | New |
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Fri, 04 Aug 2023 20:15:16 -0700 (PDT) From: Drew Fustini <dfustini@baylibre.com> Date: Fri, 04 Aug 2023 20:14:47 -0700 Subject: [PATCH RFC v2 3/4] riscv: dts: thead: Enable BeagleV Ahead eMMC controller MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20230724-th1520-emmc-v2-3-132ed2e2171e@baylibre.com> References: <20230724-th1520-emmc-v2-0-132ed2e2171e@baylibre.com> In-Reply-To: <20230724-th1520-emmc-v2-0-132ed2e2171e@baylibre.com> To: Jisheng Zhang <jszhang@kernel.org>, Guo Ren <guoren@kernel.org>, Fu Wei <wefu@redhat.com>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, Conor Dooley <conor@kernel.org>, Adrian Hunter <adrian.hunter@intel.com>, Ulf Hansson <ulf.hansson@linaro.org> Cc: linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, Robert Nelson <robertcnelson@beagleboard.org>, Jason Kridner <jkridner@beagleboard.org>, Drew Fustini <dfustini@baylibre.com> X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; 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Series |
RISC-V: Add basic eMMC support for BeagleV Ahead
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Commit Message
Drew Fustini
Aug. 5, 2023, 3:14 a.m. UTC
Add properties to the emmc node and enable it and set the frequency for
the sdhci clock.
Signed-off-by: Drew Fustini <dfustini@baylibre.com>
---
arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts index c315e5bd3d2d..f93c11754639 100644 --- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts +++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts @@ -52,6 +52,10 @@ &uart_sclk { clock-frequency = <100000000>; }; +&sdhci_clk { + clock-frequency = <198000000>; +}; + &dmac0 { status = "okay"; }; @@ -59,3 +63,16 @@ &dmac0 { &uart0 { status = "okay"; }; + +&mmc0 { + max-frequency = <198000000>; + non-removable; + mmc-hs400-1_8v; + thead,io-fixed-1v8; + no-sdio; + no-sd; + thead,pull-up; + bus-width = <8>; + status = "okay"; + +};