openwrt/target/linux/bcm27xx/patches-5.10/950-0178-clk-bcm2835-Disabl...

59 lines
1.6 KiB
Diff

From dcfed6cdcd38f9b0ca706af74710969aa8082c38 Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Tue, 3 Sep 2019 20:28:00 +0100
Subject: [PATCH] clk-bcm2835: Disable v3d clock
This is controlled by firmware, see clk-raspberrypi.c
Signed-off-by: popcornmix <popcornmix@gmail.com>
---
drivers/clk/bcm/clk-bcm2835.c | 30 ++++++++++++------------------
1 file changed, 12 insertions(+), 18 deletions(-)
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -1741,16 +1741,12 @@ static const struct bcm2835_clk_desc clk
.hold_mask = CM_PLLA_HOLDCORE,
.fixed_divider = 1,
.flags = CLK_SET_RATE_PARENT),
- [BCM2835_PLLA_PER] = REGISTER_PLL_DIV(
- SOC_ALL,
- .name = "plla_per",
- .source_pll = "plla",
- .cm_reg = CM_PLLA,
- .a2w_reg = A2W_PLLA_PER,
- .load_mask = CM_PLLA_LOADPER,
- .hold_mask = CM_PLLA_HOLDPER,
- .fixed_divider = 1,
- .flags = CLK_SET_RATE_PARENT),
+
+ /*
+ * PLLA_PER is used for gpu clocks. Controlled by firmware, see
+ * clk-raspberrypi.c.
+ */
+
[BCM2835_PLLA_DSI0] = REGISTER_PLL_DIV(
SOC_ALL,
.name = "plla_dsi0",
@@ -2051,14 +2047,12 @@ static const struct bcm2835_clk_desc clk
.int_bits = 6,
.frac_bits = 0,
.tcnt_mux = 3),
- [BCM2835_CLOCK_V3D] = REGISTER_VPU_CLK(
- SOC_ALL,
- .name = "v3d",
- .ctl_reg = CM_V3DCTL,
- .div_reg = CM_V3DDIV,
- .int_bits = 4,
- .frac_bits = 8,
- .tcnt_mux = 4),
+
+ /*
+ * CLOCK_V3D is used for v3d clock. Controlled by firmware, see
+ * clk-raspberrypi.c.
+ */
+
/*
* VPU clock. This doesn't have an enable bit, since it drives
* the bus for everything else, and is special so it doesn't need