build/patch/kernel/archive/sunxi-6.2/patches.armbian/drv-clk-sunxi-ng-ccu-add-min-max-rate-sun50i-a64.patch

58 lines
1.8 KiB
Diff

From 0c9e2f71295e75f4c9cbce6749d118628ede121e Mon Sep 17 00:00:00 2001
From: Vasily Khoruzhick <anarsoul@gmail.com>
Date: Tue, 24 Jul 2018 10:17:55 -0700
Subject: [PATCH 029/153] drv:clk:sunxi-ng: ccu: add min/max rate sun50i-a64
---
drivers/clk/sunxi-ng/ccu-sun50i-a64.c | 2 ++
drivers/clk/sunxi-ng/ccu_nkm.c | 5 +++++
drivers/clk/sunxi-ng/ccu_nkm.h | 3 +++
3 files changed, 10 insertions(+)
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
index 761d50597..9833ab1a1 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
@@ -196,6 +196,8 @@ static struct ccu_nkm pll_mipi_clk = {
.n = _SUNXI_CCU_MULT(8, 4),
.k = _SUNXI_CCU_MULT_MIN(4, 2, 2),
.m = _SUNXI_CCU_DIV(0, 4),
+ .min_rate = 300000000,
+ .max_rate = 1400000000,
.common = {
.reg = 0x040,
.hw.init = CLK_HW_INIT("pll-mipi", "pll-video0",
diff --git a/drivers/clk/sunxi-ng/ccu_nkm.c b/drivers/clk/sunxi-ng/ccu_nkm.c
index 67da2c189..83d969db0 100644
--- a/drivers/clk/sunxi-ng/ccu_nkm.c
+++ b/drivers/clk/sunxi-ng/ccu_nkm.c
@@ -119,6 +119,11 @@ static unsigned long ccu_nkm_round_rate(struct ccu_mux_internal *mux,
_nkm.min_m = 1;
_nkm.max_m = nkm->m.max ?: 1 << nkm->m.width;
+ if (rate < nkm->min_rate)
+ rate = nkm->min_rate;
+ if (nkm->max_rate && (rate > nkm->max_rate))
+ rate = nkm->max_rate;
+
if (nkm->common.features & CCU_FEATURE_FIXED_POSTDIV)
rate *= nkm->fixed_post_div;
diff --git a/drivers/clk/sunxi-ng/ccu_nkm.h b/drivers/clk/sunxi-ng/ccu_nkm.h
index 6601defb3..57aa8087c 100644
--- a/drivers/clk/sunxi-ng/ccu_nkm.h
+++ b/drivers/clk/sunxi-ng/ccu_nkm.h
@@ -28,6 +28,9 @@ struct ccu_nkm {
unsigned int fixed_post_div;
+ unsigned int min_rate;
+ unsigned int max_rate;
+
struct ccu_common common;
};
--
2.35.3