From c8fd103d6c07af5db47f061b70759b7c69169656 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Thu, 31 Mar 2016 06:46:51 +0200 Subject: [PATCH 053/102] clk: mediatek: enable critical clocks Signed-off-by: John Crispin --- drivers/clk/mediatek/clk-mt2701.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c index 812b347..1634288 100644 --- 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[] __initconst = { 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(struct device_node *node) 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(struct device_node *node) 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(struct device_node *node) 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(struct device_node *node) 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); -- 1.7.10.4