From: Maxime Ripard <mripard@kernel.org>

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

Signed-off-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.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

Hi Dave,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 91e21479c81dd4e9e22a78d7446f92f6b96a7284]

url:    https://github.com/intel-lab-lkp/linux/commits/Dave-Stevenson/drm-vc4-Limit-max_bpc-to-8-on-Pi0-3/20241024-005239
base:   91e21479c81dd4e9e22a78d7446f92f6b96a7284
patch link:    https://lore.kernel.org/r/20241023-drm-vc4-2712-support-v1-22-1cc2d5594907%40raspberrypi.com
patch subject: [PATCH 22/37] drm/vc4: txp: Add BCM2712 MOPLET support
config: arc-randconfig-r111-20241025 (https://download.01.org/0day-ci/archive/20241025/202410251938.rnvcIesU-lkp@intel.com/config)
compiler: arc-elf-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20241025/202410251938.rnvcIesU-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410251938.rnvcIesU-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   drivers/gpu/drm/vc4/vc4_txp.c:513:27: sparse: sparse: symbol 'bcm2712_mop_data' was not declared. Should it be static?
>> drivers/gpu/drm/vc4/vc4_txp.c:527:27: sparse: sparse: symbol 'bcm2712_moplet_data' was not declared. Should it be static?

vim +/bcm2712_moplet_data +527 drivers/gpu/drm/vc4/vc4_txp.c

   526	
 > 527	const struct vc4_txp_data bcm2712_moplet_data = {
   528		.base = {
   529			.name = "moplet",
   530			.debugfs_name = "moplet_regs",
   531			.hvs_available_channels = BIT(1),
   532			.hvs_output = 4,
   533		},
   534		.encoder_type = VC4_ENCODER_TYPE_TXP1,
   535		.high_addr_ptr_reg = TXP_DST_PTR_HIGH_MOPLET,
   536		.size_minus_one = true,
   537		.supports_40bit_addresses = true,
   538	};
   539	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki