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Message-ID: <20231027093950.1202549-2-n-yadav@ti.com>
Date: Fri, 27 Oct 2023 15:09:49 +0530
From: Nitin Yadav <n-yadav@...com>
To: <nm@...com>, <vigneshr@...com>, <kristo@...nel.org>,
<robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
<conor+dt@...nel.org>
CC: <linux-arm-kernel@...ts.infradead.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/2] arm64: dts: ti: k3-am62a-main: Add sdhci0 instance
Add sdhci0 DT node in k3-am62a-main for eMMC support. Droping
ITAP values as they are NA in datasheet[0] for lower speed modes.
Add mmc0 alias for sdhci0 in k3-am62a7-sk.dts.
[0]https://www.ti.com/lit/gpn/am62a3 Table: 7-79 (Page No. 179)
Signed-off-by: Nitin Yadav <n-yadav@...com>
---
arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 19 +++++++++++++++++++
arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 1 +
2 files changed, 20 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
index de36abb243f1..89b8b7d302cd 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
@@ -488,6 +488,25 @@ main_gpio1: gpio@...000 {
status = "disabled";
};
+ sdhci0: mmc@...0000 {
+ compatible = "ti,am62-sdhci";
+ reg = <0x00 0xfa10000 0x00 0x260>, <0x00 0xfa18000 0x00 0x134>;
+ interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
+ power-domains = <&k3_pds 57 TI_SCI_PD_EXCLUSIVE>;
+ clocks = <&k3_clks 57 5>, <&k3_clks 57 6>;
+ clock-names = "clk_ahb", "clk_xin";
+ assigned-clocks = <&k3_clks 57 6>;
+ assigned-clock-parents = <&k3_clks 57 8>;
+ mmc-hs200-1_8v;
+ ti,trm-icp = <0x2>;
+ ti,otap-del-sel-legacy = <0x0>;
+ ti,otap-del-sel-mmc-hs = <0x0>;
+ ti,otap-del-sel-hs200 = <0x6>;
+ bus-width = <8>;
+ ti,clkbuf-sel = <0x7>;
+ status = "disabled";
+ };
+
sdhci1: mmc@...0000 {
compatible = "ti,am62-sdhci";
reg = <0x00 0xfa00000 0x00 0x260>, <0x00 0xfa08000 0x00 0x134>;
diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
index cff283c75f8e..5d28c390b28e 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
@@ -20,6 +20,7 @@ aliases {
serial0 = &wkup_uart0;
serial2 = &main_uart0;
serial3 = &main_uart1;
+ mmc0 = &sdhci0;
mmc1 = &sdhci1;
};
--
2.25.1
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