linux-kernel - [PATCH v7 3/4] riscv: dts: thead: Enable BeagleV Ahead eMMC and microSD

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Message-Id: <20231129-th1520_mmc_dts-v7-3-c77fc19caa6f@baylibre.com>
Date:   Wed, 29 Nov 2023 17:48:49 -0800
From:   Drew Fustini <dfustini@...libre.com>
To:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Jisheng Zhang <jszhang@...nel.org>,
        Guo Ren <guoren@...nel.org>, Fu Wei <wefu@...hat.com>,
        Conor Dooley <conor@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Jason Kridner <jkridner@...gleboard.org>,
        Robert Nelson <robertcnelson@...gleboard.org>,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Drew Fustini <dfustini@...libre.com>
Subject: [PATCH v7 3/4] riscv: dts: thead: Enable BeagleV Ahead eMMC and
 microSD

Add mmc0 properties for the eMMC device and add mmc1 properties for
the microSD slot. Set the frequency for the sdhci clock.

Signed-off-by: Drew Fustini <dfustini@...libre.com>
---
 arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
index 70e8042c8304..b767d3f078d7 100644
--- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
+++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
@@ -48,6 +48,10 @@ &apb_clk {
 	clock-frequency = <62500000>;
 };
 
+&sdhci_clk {
+	clock-frequency = <198000000>;
+};
+
 &uart_sclk {
 	clock-frequency = <100000000>;
 };
@@ -56,6 +60,22 @@ &dmac0 {
 	status = "okay";
 };
 
+&mmc0 {
+	bus-width = <8>;
+	max-frequency = <198000000>;
+	mmc-hs400-1_8v;
+	non-removable;
+	no-sdio;
+	no-sd;
+	status = "okay";
+};
+
+&mmc1 {
+	bus-width = <4>;
+	max-frequency = <198000000>;
+	status = "okay";
+};
+
 &uart0 {
 	status = "okay";
 };

-- 
2.34.1