linux-kernel - [PATCH 37/37] arm64: dts: broadcom: Add DT for D-step version of BCM2712

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Message-Id: <20241023-drm-vc4-2712-support-v1-37-1cc2d5594907@raspberrypi.com>
Date: Wed, 23 Oct 2024 17:50:34 +0100
From: Dave Stevenson <dave.stevenson@...pberrypi.com>
To: Maxime Ripard <mripard@...nel.org>, 
 Maíra Canal <mcanal@...lia.com>, 
 Raspberry Pi Kernel Maintenance <kernel-list@...pberrypi.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, 
 Simona Vetter <simona@...ll.ch>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Florian Fainelli <florian.fainelli@...adcom.com>, 
 Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>, 
 Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, 
 Javier Martinez Canillas <javierm@...hat.com>, 
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org, 
 linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org, 
 Dave Stevenson <dave.stevenson@...pberrypi.com>
Subject: [PATCH 37/37] arm64: dts: broadcom: Add DT for D-step version of
 BCM2712

The D-Step has some minor variations in the hardware, so needs
matching changes to DT.

Add a new DTS file that modifies the existing (C-step) devicetree.

Signed-off-by: Dave Stevenson <dave.stevenson@...pberrypi.com>
---
 arch/arm64/boot/dts/broadcom/Makefile              |  1 +
 arch/arm64/boot/dts/broadcom/bcm2712-d-rpi-5-b.dts | 37 ++++++++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/arch/arm64/boot/dts/broadcom/Makefile b/arch/arm64/boot/dts/broadcom/Makefile
index 92565e9781ad..3d0efb93b06d 100644
--- a/arch/arm64/boot/dts/broadcom/Makefile
+++ b/arch/arm64/boot/dts/broadcom/Makefile
@@ -7,6 +7,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += bcm2711-rpi-400.dtb \
 			      bcm2711-rpi-4-b.dtb \
 			      bcm2711-rpi-cm4-io.dtb \
 			      bcm2712-rpi-5-b.dtb \
+			      bcm2712-d-rpi-5-b.dtb \
 			      bcm2837-rpi-3-a-plus.dtb \
 			      bcm2837-rpi-3-b.dtb \
 			      bcm2837-rpi-3-b-plus.dtb \
diff --git a/arch/arm64/boot/dts/broadcom/bcm2712-d-rpi-5-b.dts b/arch/arm64/boot/dts/broadcom/bcm2712-d-rpi-5-b.dts
new file mode 100644
index 000000000000..7de24d60bcd1
--- /dev/null
+++ b/arch/arm64/boot/dts/broadcom/bcm2712-d-rpi-5-b.dts
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/dts-v1/;
+
+#include "bcm2712-rpi-5-b.dts"
+
+&gio_aon {
+	brcm,gpio-bank-widths = <15 6>;
+
+	gpio-line-names =
+		"RP1_SDA", // AON_GPIO_00
+		"RP1_SCL", // AON_GPIO_01
+		"RP1_RUN", // AON_GPIO_02
+		"SD_IOVDD_SEL", // AON_GPIO_03
+		"SD_PWR_ON", // AON_GPIO_04
+		"SD_CDET_N", // AON_GPIO_05
+		"SD_FLG_N", // AON_GPIO_06
+		"", // AON_GPIO_07
+		"2712_WAKE", // AON_GPIO_08
+		"2712_STAT_LED", // AON_GPIO_09
+		"", // AON_GPIO_10
+		"", // AON_GPIO_11
+		"PMIC_INT", // AON_GPIO_12
+		"UART_TX_FS", // AON_GPIO_13
+		"UART_RX_FS", // AON_GPIO_14
+		"", // AON_GPIO_15
+		"", // AON_GPIO_16
+
+		// Pad bank0 out to 32 entries
+		"", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
+
+		"HDMI0_SCL", // AON_SGPIO_00
+		"HDMI0_SDA", // AON_SGPIO_01
+		"HDMI1_SCL", // AON_SGPIO_02
+		"HDMI1_SDA", // AON_SGPIO_03
+		"PMIC_SCL", // AON_SGPIO_04
+		"PMIC_SDA"; // AON_SGPIO_05
+};

-- 
2.34.1