openmptcprouter/6.1/target/linux/bcm27xx/patches-6.1/950-0853-clk-bcm-rpi-Add-disp-clock.patch

From df352192f38540438e44e418bab0a38f0d7859be Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Fri, 24 Feb 2023 14:12:50 +0100
Subject: [PATCH] clk: bcm: rpi: Add disp clock

BCM2712 has an extra clock exposed by the firmware called DISP, and used
by (at least) the HVS. Let's add it to the list of clocks to register in
Linux.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
 drivers/clk/bcm/clk-raspberrypi.c          | 5 +++++
 include/soc/bcm2835/raspberrypi-firmware.h | 1 +
 2 files changed, 6 insertions(+)

--- a/drivers/clk/bcm/clk-raspberrypi.c
+++ b/drivers/clk/bcm/clk-raspberrypi.c
@@ -34,6 +34,7 @@ static char *rpi_firmware_clk_names[] =
 	[RPI_FIRMWARE_M2MC_CLK_ID]	= "m2mc",
 	[RPI_FIRMWARE_PIXEL_BVB_CLK_ID]	= "pixel-bvb",
 	[RPI_FIRMWARE_VEC_CLK_ID]	= "vec",
+	[RPI_FIRMWARE_DISP_CLK_ID]	= "disp",
 };
 
 #define RPI_FIRMWARE_STATE_ENABLE_BIT	BIT(0)
@@ -139,6 +140,10 @@ raspberrypi_clk_variants[RPI_FIRMWARE_NU
 		.export = true,
 		.minimize = true,
 	},
+	[RPI_FIRMWARE_DISP_CLK_ID] = {
+		.export = true,
+		.minimize = true,
+	},
 };
 
 /*
--- a/include/soc/bcm2835/raspberrypi-firmware.h
+++ b/include/soc/bcm2835/raspberrypi-firmware.h
@@ -176,6 +176,7 @@ enum rpi_firmware_clk_id {
 	RPI_FIRMWARE_M2MC_CLK_ID,
 	RPI_FIRMWARE_PIXEL_BVB_CLK_ID,
 	RPI_FIRMWARE_VEC_CLK_ID,
+	RPI_FIRMWARE_DISP_CLK_ID,
 	RPI_FIRMWARE_NUM_CLK_ID,
 };