openwrt/target/linux/bcm27xx/patches-6.6/950-0563-clk-bcm-rpi-Add-disp-clock.patch

From cf5aa374252dee2469c011fa517ff43148da6e42 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Fri, 24 Feb 2023 14:12:50 +0100
Subject: [PATCH 0563/1085] 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,
 };