linux-kernel - [PATCH 1/2] arm64: dts: ti: k3-am65-main: Add support for sdhci1

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Date:   Sat, 11 Jul 2020 00:32:14 +0530
From:   Faiz Abbas <faiz_abbas@...com>
To:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     <robh+dt@...nel.org>, <nm@...com>, <t-kristo@...com>,
        <faiz_abbas@...com>
Subject: [PATCH 1/2] arm64: dts: ti: k3-am65-main: Add support for sdhci1

Add support for the 2nd SDHCI controller on TI's AM654x SoCs.
Although it supports upto SDR104 (100 MBps @ 200 MHz) speed mode,
only enable support upto High Speed (25 MBps @ 50 MHz) for now.

Signed-off-by: Faiz Abbas <faiz_abbas@...com>
---
 arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
index 3a4effee8fba..dfb429bed56d 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
@@ -259,6 +259,30 @@
 		dma-coherent;
 	};
 
+	sdhci1: sdhci@...0000 {
+		compatible = "ti,am654-sdhci-5.1";
+		reg = <0x0 0x4fa0000 0x0 0x260>, <0x0 0x4fb0000 0x0 0x134>;
+		power-domains = <&k3_pds 48 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 48 0>, <&k3_clks 48 1>;
+		clock-names = "clk_ahb", "clk_xin";
+		interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>;
+		ti,otap-del-sel-legacy = <0x0>;
+		ti,otap-del-sel-mmc-hs = <0x0>;
+		ti,otap-del-sel-sd-hs = <0x0>;
+		ti,otap-del-sel-sdr12 = <0x0>;
+		ti,otap-del-sel-sdr25 = <0x0>;
+		ti,otap-del-sel-sdr50 = <0x8>;
+		ti,otap-del-sel-sdr104 = <0x7>;
+		ti,otap-del-sel-ddr50 = <0x4>;
+		ti,otap-del-sel-ddr52 = <0x4>;
+		ti,otap-del-sel-hs200 = <0x7>;
+		ti,clkbuf-sel = <0x7>;
+		ti,otap-del-sel = <0x2>;
+		ti,trm-icp = <0x8>;
+		dma-coherent;
+		no-1-8-v;
+	};
+
 	scm_conf: scm_conf@...000 {
 		compatible = "syscon", "simple-mfd";
 		reg = <0 0x00100000 0 0x1c000>;
-- 
2.17.1