linux-kernel - [PATCH v3 1/2] arm64: dts: ti: k3-am654: Add Support for eMMC host controller

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Message-ID: <20190117094424.7683-2-faiz_abbas@ti.com>
Date:   Thu, 17 Jan 2019 15:14:23 +0530
From:   Faiz Abbas <faiz_abbas@...com>
To:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     <mark.rutland@....com>, <robh+dt@...nel.org>, <nm@...com>,
        <t-kristo@...com>, <faiz_abbas@...com>
Subject: [PATCH v3 1/2] arm64: dts: ti: k3-am654: Add Support for eMMC host controller

Add support for the Secure Digital Host Controller Interface (SDHCI)
present on TI's AM654 SOCs. It is compatible with eMMC5.1 Host
Specifications.

Enable only upto HS200 speed mode.

Signed-off-by: Faiz Abbas <faiz_abbas@...com>
Acked-by: Nishanth Menon <nm@...com>
---
 arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
index 272cf8fc8d30..9338315b0ca9 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
@@ -191,4 +191,18 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 	};
+
+	sdhci0: sdhci@...0000 {
+		compatible = "ti,am654-sdhci-5.1";
+		reg = <0x0 0x4f80000 0x0 0x260>, <0x0 0x4f90000 0x0 0x134>;
+		power-domains = <&k3_pds 47>;
+		clocks = <&k3_clks 47 0>, <&k3_clks 47 1>;
+		clock-names = "clk_ahb", "clk_xin";
+		interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;
+		mmc-ddr-1_8v;
+		mmc-hs200-1_8v;
+		ti,otap-del-sel = <0x2>;
+		ti,trm-icp = <0x8>;
+		dma-coherent;
+	};
 };
-- 
2.19.2