openwrt/target/linux/bcm27xx/patches-6.6/950-1427-clk-rp1-Add-RP1_CLK_DMA.patch

From d4e41ed9954fa86c4774f98d393aa401c81a68e7 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Wed, 13 Nov 2024 13:10:27 +0000
Subject: [PATCH 1427/1482] clk: rp1: Add RP1_CLK_DMA.

The DMA block has a clock, but wasn't defined in the driver. This
resulted in the parent being disabled as unused, and then DMA
stopped working.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
 drivers/clk/clk-rp1.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

--- a/drivers/clk/clk-rp1.c
+++ b/drivers/clk/clk-rp1.c
@@ -1874,6 +1874,27 @@ static const struct rp1_clk_desc clk_des
 				.flags = CLK_IS_CRITICAL,
 				),
 
+	[RP1_CLK_DMA] = REGISTER_CLK(
+				.name = "clk_dma",
+				.parents = {"pll_sys_pri_ph",
+					    "pll_video",
+					    "xosc",
+					    "clksrc_gp0",
+					    "clksrc_gp1",
+					    "clksrc_gp2",
+					    "clksrc_gp3",
+					    "clksrc_gp4",
+					    "clksrc_gp5"},
+				.num_std_parents = 0,
+				.num_aux_parents = 9,
+				.ctrl_reg = CLK_DMA_CTRL,
+				.div_int_reg = CLK_DMA_DIV_INT,
+				.sel_reg = CLK_DMA_SEL,
+				.div_int_max = DIV_INT_8BIT_MAX,
+				.max_freq = 100 * MHz,
+				.fc0_src = FC_NUM(2, 2),
+				),
+
 	[RP1_CLK_UART] = REGISTER_CLK(
 				.name = "clk_uart",
 				.parents = {"pll_sys_pri_ph",