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-rw-r--r--target/linux/brcm2708/patches-4.19/950-0764-clk-bcm2835-remove-pllb.patch56
1 files changed, 56 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0764-clk-bcm2835-remove-pllb.patch b/target/linux/brcm2708/patches-4.19/950-0764-clk-bcm2835-remove-pllb.patch
new file mode 100644
index 0000000000..af9dde3362
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0764-clk-bcm2835-remove-pllb.patch
@@ -0,0 +1,56 @@
+From 04ebfc3e25eaa3dd77544b4b950497990b1a327e Mon Sep 17 00:00:00 2001
+From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
+Date: Wed, 12 Jun 2019 20:24:53 +0200
+Subject: [PATCH] clk: bcm2835: remove pllb
+
+Commit 2256d89333bd17b8b56b42734a7e1046d52f7fc3 upstream.
+
+Raspberry Pi's firmware controls this pll, we should use the firmware
+interface to access it.
+
+Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
+Acked-by: Eric Anholt <eric@anholt.net>
+Signed-off-by: Stephen Boyd <sboyd@kernel.org>
+---
+ drivers/clk/bcm/clk-bcm2835.c | 30 ++++--------------------------
+ 1 file changed, 4 insertions(+), 26 deletions(-)
+
+--- a/drivers/clk/bcm/clk-bcm2835.c
++++ b/drivers/clk/bcm/clk-bcm2835.c
+@@ -1755,32 +1755,10 @@ static const struct bcm2835_clk_desc clk
+ .fixed_divider = 1,
+ .flags = CLK_SET_RATE_PARENT),
+
+- /* PLLB is used for the ARM's clock. */
+- [BCM2835_PLLB] = REGISTER_PLL(
+- SOC_ALL,
+- .name = "pllb",
+- .cm_ctrl_reg = CM_PLLB,
+- .a2w_ctrl_reg = A2W_PLLB_CTRL,
+- .frac_reg = A2W_PLLB_FRAC,
+- .ana_reg_base = A2W_PLLB_ANA0,
+- .reference_enable_mask = A2W_XOSC_CTRL_PLLB_ENABLE,
+- .lock_mask = CM_LOCK_FLOCKB,
+-
+- .ana = &bcm2835_ana_default,
+-
+- .min_rate = 600000000u,
+- .max_rate = 3000000000u,
+- .max_fb_rate = BCM2835_MAX_FB_RATE),
+- [BCM2835_PLLB_ARM] = REGISTER_PLL_DIV(
+- SOC_ALL,
+- .name = "pllb_arm",
+- .source_pll = "pllb",
+- .cm_reg = CM_PLLB,
+- .a2w_reg = A2W_PLLB_ARM,
+- .load_mask = CM_PLLB_LOADARM,
+- .hold_mask = CM_PLLB_HOLDARM,
+- .fixed_divider = 1,
+- .flags = CLK_SET_RATE_PARENT),
++ /*
++ * PLLB is used for the ARM's clock. Controlled by firmware, see
++ * clk-raspberrypi.c.
++ */
+
+ /*
+ * PLLC is the core PLL, used to drive the core VPU clock.