openwrt/target/linux/bcm27xx/patches-6.6/950-1427-clk-rp1-Add-RP1_CLK_DMA.patch
John Audia f4c5d0e77e bcm27xx: patches: cherry-pick for RP1 kmods
Cherry-pick patches to support building RP1 modules.

Signed-off-by: John Audia <therealgraysky@proton.me>
Link: https://github.com/openwrt/openwrt/pull/17233
Signed-off-by: Robert Marko <robimarko@gmail.com>
(cherry picked from commit 613dd79d5eabe53f07a7b74cc062d91cfc550403)
2024-12-28 14:11:52 +01:00

45 lines
1.3 KiB
Diff

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",