linux-kernel - [PATCH 3/3] arm64: dts: ti: k3-am64-tqma64xxl-mbax4xxl: add SD-card and WLAN overlays

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Date:   Fri, 21 Jul 2023 12:59:02 +0200
From:   Matthias Schiffer <matthias.schiffer@...tq-group.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, Nishanth Menon <nm@...com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux@...tq-group.com,
        Matthias Schiffer <matthias.schiffer@...tq-group.com>
Subject: [PATCH 3/3] arm64: dts: ti: k3-am64-tqma64xxl-mbax4xxl: add SD-card and WLAN overlays

As the SD-card and WLAN are connected to the same SDHC interface (with a
GPIO-controlled mux), they are mutually exclusive. Provide Device Tree
overlays for both configurations.

Signed-off-by: Matthias Schiffer <matthias.schiffer@...tq-group.com>
---
 arch/arm64/boot/dts/ti/Makefile               |  8 +++++++
 .../ti/k3-am64-tqma64xxl-mbax4xxl-sdcard.dtso | 22 +++++++++++++++++++
 .../ti/k3-am64-tqma64xxl-mbax4xxl-wlan.dtso   | 22 +++++++++++++++++++
 3 files changed, 52 insertions(+)
 create mode 100644 arch/arm64/boot/dts/ti/k3-am64-tqma64xxl-mbax4xxl-sdcard.dtso
 create mode 100644 arch/arm64/boot/dts/ti/k3-am64-tqma64xxl-mbax4xxl-wlan.dtso

diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
index 7dbd8a9c02225..24ea0e78dd3b9 100644
--- a/arch/arm64/boot/dts/ti/Makefile
+++ b/arch/arm64/boot/dts/ti/Makefile
@@ -29,6 +29,14 @@ dtb-$(CONFIG_ARCH_K3) += k3-am642-phyboard-electra-rdk.dtb
 dtb-$(CONFIG_ARCH_K3) += k3-am642-sk.dtb
 dtb-$(CONFIG_ARCH_K3) += k3-am642-tqma64xxl-mbax4xxl.dtb
 
+k3-am642-tqma64xxl-mbax4xxl-sdcard-dtbs := \
+	k3-am642-tqma64xxl-mbax4xxl.dtb k3-am64-tqma64xxl-mbax4xxl-sdcard.dtbo
+k3-am642-tqma64xxl-mbax4xxl-wlan-dtbs := \
+	k3-am642-tqma64xxl-mbax4xxl.dtb k3-am64-tqma64xxl-mbax4xxl-wlan.dtbo
+
+dtb-$(CONFIG_ARCH_K3) += k3-am642-tqma64xxl-mbax4xxl-sdcard.dtb
+dtb-$(CONFIG_ARCH_K3) += k3-am642-tqma64xxl-mbax4xxl-wlan.dtb
+
 # Boards with AM65x SoC
 k3-am654-gp-evm-dtbs := k3-am654-base-board.dtb k3-am654-base-board-rocktech-rk101-panel.dtbo
 dtb-$(CONFIG_ARCH_K3) += k3-am6528-iot2050-basic.dtb
diff --git a/arch/arm64/boot/dts/ti/k3-am64-tqma64xxl-mbax4xxl-sdcard.dtso b/arch/arm64/boot/dts/ti/k3-am64-tqma64xxl-mbax4xxl-sdcard.dtso
new file mode 100644
index 0000000000000..79ed19c6c0e90
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am64-tqma64xxl-mbax4xxl-sdcard.dtso
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022-2023 TQ-Systems GmbH <linux@...tq-group.com>, D-82229 Seefeld, Germany.
+ */
+
+/dts-v1/;
+/plugin/;
+
+&sdhci1 {
+	vmmc-supply = <&reg_sd>;
+	no-sdio;
+	status = "okay";
+};
+
+&main_gpio0 {
+	line43-hog {
+		gpio-hog;
+		gpios = <43 0>;
+		line-name = "MMC1_CTRL";
+		output-low;
+	};
+};
diff --git a/arch/arm64/boot/dts/ti/k3-am64-tqma64xxl-mbax4xxl-wlan.dtso b/arch/arm64/boot/dts/ti/k3-am64-tqma64xxl-mbax4xxl-wlan.dtso
new file mode 100644
index 0000000000000..32596a84b7ba1
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am64-tqma64xxl-mbax4xxl-wlan.dtso
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022-2023 TQ-Systems GmbH <linux@...tq-group.com>, D-82229 Seefeld, Germany.
+ */
+
+/dts-v1/;
+/plugin/;
+
+&sdhci1 {
+	mmc-pwrseq = <&wifi_pwrseq>;
+	no-sd;
+	status = "okay";
+};
+
+&main_gpio0 {
+	line43-hog {
+		gpio-hog;
+		gpios = <43 0>;
+		line-name = "MMC1_CTRL";
+		output-high;
+	};
+};
-- 
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Amtsgericht München, HRB 105018
Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider
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