linux-kernel - [PATCH v2 2/2] arm64: dts: ac5: add mmc node and clock

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Date: Wed, 3 Jan 2024 19:28:03 +0200
From: Elad Nachman <enachman@...vell.com>
To: <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <conor+dt@...nel.org>, <andrew@...n.ch>, <gregory.clement@...tlin.com>,
        <sebastian.hesselbarth@...il.com>, <huziji@...vell.com>,
        <ulf.hansson@...aro.org>, <linux-mmc@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC: <enachman@...vell.com>
Subject: [PATCH v2 2/2] arm64: dts: ac5: add mmc node and clock

From: Elad Nachman <enachman@...vell.com>

Add mmc and mmc clock nodes to ac5 and ac5x device tree files

Signed-off-by: Elad Nachman <enachman@...vell.com>
---
 arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi | 31 ++++++++++++++++++-
 .../boot/dts/marvell/ac5-98dx35xx-rd.dts      |  4 +++
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi b/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi
index b5e042b8e929..5591939e057b 100644
--- a/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi
+++ b/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi
@@ -77,7 +77,6 @@ soc {
 		#address-cells = <2>;
 		#size-cells = <2>;
 		ranges;
-		dma-ranges;
 
 		internal-regs@...00000 {
 			#address-cells = <1>;
@@ -204,6 +203,30 @@ gpio1: gpio@...40 {
 			};
 		};
 
+		mmc_dma: bus@...00000 {
+				compatible = "simple-bus";
+				ranges;
+				#address-cells = <0x2>;
+				#size-cells = <0x2>;
+				reg = <0x0 0x80500000 0x0 0x100000>;
+				dma-ranges = <0x0 0x0 0x2 0x0 0x0 0x80000000>;
+				dma-coherent;
+
+				sdhci: mmc@...c0000 {
+					compatible = "marvell,ac5-sdhci",
+						     "marvell,armada-ap806-sdhci";
+					reg = <0x0 0x805c0000 0x0 0x1000>;
+					interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&emmc_clock>, <&cnm_clock>;
+					clock-names = "core", "axi";
+					bus-width = <8>;
+					non-removable;
+					mmc-ddr-1_8v;
+					mmc-hs200-1_8v;
+					mmc-hs400-1_8v;
+				};
+		};
+
 		/*
 		 * Dedicated section for devices behind 32bit controllers so we
 		 * can configure specific DMA mapping for them
@@ -335,5 +358,11 @@ nand_clock: nand-clock {
 			#clock-cells = <0>;
 			clock-frequency = <400000000>;
 		};
+
+		emmc_clock: emmc-clock {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <400000000>;
+		};
 	};
 };
diff --git a/arch/arm64/boot/dts/marvell/ac5-98dx35xx-rd.dts b/arch/arm64/boot/dts/marvell/ac5-98dx35xx-rd.dts
index f0ebdb84eec9..0c973d7a215a 100644
--- a/arch/arm64/boot/dts/marvell/ac5-98dx35xx-rd.dts
+++ b/arch/arm64/boot/dts/marvell/ac5-98dx35xx-rd.dts
@@ -99,3 +99,7 @@ parition@2 {
 		};
 	};
 };
+
+&sdhci {
+	status = "okay";
+};
-- 
2.25.1