linux-kernel - [PATCH 22/37] drm/vc4: txp: Add BCM2712 MOPLET support

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Message-Id: <20241023-drm-vc4-2712-support-v1-22-1cc2d5594907@raspberrypi.com>
Date: Wed, 23 Oct 2024 17:50:19 +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 22/37] drm/vc4: txp: Add BCM2712 MOPLET support

From: Maxime Ripard <mripard@...nel.org>

The BCM2712 features a simpler TXP called MOPLET. Let's add support for
it.

Signed-off-by: Maxime Ripard <mripard@...nel.org>
Signed-off-by: Dave Stevenson <dave.stevenson@...pberrypi.com>
---
 drivers/gpu/drm/vc4/vc4_txp.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/gpu/drm/vc4/vc4_txp.c b/drivers/gpu/drm/vc4/vc4_txp.c
index befb99c9b5bb..aab6fa7a8838 100644
--- a/drivers/gpu/drm/vc4/vc4_txp.c
+++ b/drivers/gpu/drm/vc4/vc4_txp.c
@@ -524,6 +524,19 @@ const struct vc4_txp_data bcm2712_mop_data = {
 	.supports_40bit_addresses = true,
 };
 
+const struct vc4_txp_data bcm2712_moplet_data = {
+	.base = {
+		.name = "moplet",
+		.debugfs_name = "moplet_regs",
+		.hvs_available_channels = BIT(1),
+		.hvs_output = 4,
+	},
+	.encoder_type = VC4_ENCODER_TYPE_TXP1,
+	.high_addr_ptr_reg = TXP_DST_PTR_HIGH_MOPLET,
+	.size_minus_one = true,
+	.supports_40bit_addresses = true,
+};
+
 const struct vc4_txp_data bcm2835_txp_data = {
 	.base = {
 		.name = "txp",
@@ -630,6 +643,7 @@ static void vc4_txp_remove(struct platform_device *pdev)
 
 static const struct of_device_id vc4_txp_dt_match[] = {
 	{ .compatible = "brcm,bcm2712-mop", .data = &bcm2712_mop_data },
+	{ .compatible = "brcm,bcm2712-moplet", .data = &bcm2712_moplet_data },
 	{ .compatible = "brcm,bcm2835-txp", .data = &bcm2835_txp_data },
 	{ /* sentinel */ },
 };

-- 
2.34.1