linux-kernel - [PATCH v4 5/7] riscv: dts: thead: Add TH1520 mmc controllers and sdhci clock

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Date:   Wed, 01 Nov 2023 19:48:56 -0700
From:   Drew Fustini <dfustini@...libre.com>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Jisheng Zhang <jszhang@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Guo Ren <guoren@...nel.org>, Fu Wei <wefu@...hat.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Conor Dooley <conor@...nel.org>
Cc:     Robert Nelson <robertcnelson@...gleboard.org>,
        Jason Kridner <jkridner@...gleboard.org>,
        Xi Ruoyao <xry111@...111.site>, Han Gao <gaohan@...as.ac.cn>,
        Icenowy Zheng <uwu@...nowy.me>, linux-mmc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org,
        Drew Fustini <dfustini@...libre.com>
Subject: [PATCH v4 5/7] riscv: dts: thead: Add TH1520 mmc controllers and
 sdhci clock

Add node for the SDHCI fixed clock. Add mmc0 node for the first mmc
controller instance which is typically connected to the eMMC device.
Add mmc1 node for the second mmc controller instance which is typically
connected to microSD slot.

Signed-off-by: Drew Fustini <dfustini@...libre.com>
---
 arch/riscv/boot/dts/thead/th1520.dtsi | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index ff364709a6df..f5ec9326c4b8 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -134,6 +134,13 @@ uart_sclk: uart-sclk-clock {
 		#clock-cells = <0>;
 	};
 
+	sdhci_clk: sdhci-clock {
+		compatible = "fixed-clock";
+		clock-frequency = <198000000>;
+		clock-output-names = "sdhci_clk";
+		#clock-cells = <0>;
+	};
+
 	soc {
 		compatible = "simple-bus";
 		interrupt-parent = <&plic>;
@@ -292,6 +299,22 @@ dmac0: dma-controller@...fc00000 {
 			status = "disabled";
 		};
 
+		mmc0: mmc@...7080000 {
+			compatible = "thead,th1520-dwcmshc";
+			reg = <0xff 0xe7080000 0x0 0x10000>;
+			interrupts = <62 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&sdhci_clk>;
+			clock-names = "core";
+		};
+
+		mmc1: mmc@...7090000 {
+			compatible = "thead,th1520-dwcmshc";
+			reg = <0xff 0xe7090000 0x0 0x10000>;
+			interrupts = <64 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&sdhci_clk>;
+			clock-names = "core";
+		};
+
 		timer0: timer@...fc32000 {
 			compatible = "snps,dw-apb-timer";
 			reg = <0xff 0xefc32000 0x0 0x14>;

-- 
2.34.1