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From 03bead9276653dc842f6970250bc7eba41faf777 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Thu, 31 Mar 2016 06:46:51 +0200
Subject: [PATCH 13/57] clk: mediatek: enable critical clocks
Signed-off-by: John Crispin <blogic@openwrt.org>
---
drivers/clk/mediatek/clk-mt2701.c | 22 ++++++++++++++++++++--
1 file changed, 20 insertions(+), 2 deletions(-)
--- a/drivers/clk/mediatek/clk-mt2701.c
+++ b/drivers/clk/mediatek/clk-mt2701.c
@@ -573,6 +573,20 @@ static const struct mtk_gate top_clks[]
GATE_TOP_AUD(CLK_TOP_AUD_I2S6_MCLK, "aud_i2s6_mclk", "aud_k6_src_div", 28),
};
+static struct clk_onecell_data *mt7623_top_clk_data __initdata;
+static struct clk_onecell_data *mt7623_pll_clk_data __initdata;
+
+static void __init mtk_clk_enable_critical(void)
+{
+ if (!mt7623_top_clk_data || !mt7623_pll_clk_data)
+ return;
+
+ clk_prepare_enable(mt7623_pll_clk_data->clks[CLK_APMIXED_ARMPLL]);
+ clk_prepare_enable(mt7623_top_clk_data->clks[CLK_TOP_MEM_SEL]);
+ clk_prepare_enable(mt7623_top_clk_data->clks[CLK_TOP_DDRPHYCFG_SEL]);
+ clk_prepare_enable(mt7623_top_clk_data->clks[CLK_TOP_RTC_SEL]);
+}
+
static void __init mtk_topckgen_init(struct device_node *node)
{
struct clk_onecell_data *clk_data;
@@ -585,7 +599,7 @@ static void __init mtk_topckgen_init(str
return;
}
- clk_data = mtk_alloc_clk_data(CLK_TOP_NR);
+ mt7623_top_clk_data = clk_data = mtk_alloc_clk_data(CLK_TOP_NR);
mtk_clk_register_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks),
clk_data);
@@ -606,6 +620,8 @@ static void __init mtk_topckgen_init(str
if (r)
pr_err("%s(): could not register clock provider: %d\n",
__func__, r);
+
+ mtk_clk_enable_critical();
}
CLK_OF_DECLARE(mtk_topckgen, "mediatek,mt2701-topckgen", mtk_topckgen_init);
@@ -1202,7 +1218,7 @@ static void __init mtk_apmixedsys_init(s
struct clk_onecell_data *clk_data;
int r;
- clk_data = mtk_alloc_clk_data(ARRAY_SIZE(apmixed_plls));
+ mt7623_pll_clk_data = clk_data = mtk_alloc_clk_data(ARRAY_SIZE(apmixed_plls));
if (!clk_data)
return;
@@ -1213,6 +1229,8 @@ static void __init mtk_apmixedsys_init(s
if (r)
pr_err("%s(): could not register clock provider: %d\n",
__func__, r);
+
+ mtk_clk_enable_critical();
}
CLK_OF_DECLARE(mtk_apmixedsys, "mediatek,mt2701-apmixedsys",
mtk_apmixedsys_init);
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