diff options
| -rw-r--r-- | drivers/clk/sunxi-ng/ccu-sun8i-v3s.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c index 7744fc632ea6..0c01aca4e19b 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c @@ -347,11 +347,13 @@ static SUNXI_CCU_GATE(dram_ohci_clk, "dram-ohci", "dram", static const char * const de_parents[] = { "pll-video", "pll-periph0" }; static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents, - 0x104, 0, 4, 24, 3, BIT(31), 0); + 0x104, 0, 4, 24, 3, BIT(31), + CLK_SET_RATE_NO_REPARENT); static const char * const tcon_parents[] = { "pll-video" }; static SUNXI_CCU_M_WITH_MUX_GATE(tcon_clk, "tcon", tcon_parents, - 0x118, 0, 4, 24, 3, BIT(31), 0); + 0x118, 0, 4, 24, 3, BIT(31), + CLK_SET_RATE_NO_REPARENT); static SUNXI_CCU_GATE(csi_misc_clk, "csi-misc", "osc24M", 0x130, BIT(31), 0); @@ -753,6 +755,21 @@ static int sun8i_v3s_ccu_probe(struct platform_device *pdev) val &= ~GENMASK(19, 16); writel(val, reg + SUN8I_V3S_PLL_AUDIO_REG); + /* + * Assign the DE and TCON clock to the video PLL. Both clocks need to + * have the same parent for the units to work together. + */ + + val = readl(reg + de_clk.common.reg); + val &= ~GENMASK(de_clk.mux.shift + de_clk.mux.width - 1, + de_clk.mux.shift); + writel(val, reg + de_clk.common.reg); + + val = readl(reg + tcon_clk.common.reg); + val &= ~GENMASK(tcon_clk.mux.shift + tcon_clk.mux.width - 1, + tcon_clk.mux.shift); + writel(val, reg + tcon_clk.common.reg); + return devm_sunxi_ccu_probe(&pdev->dev, reg, desc); } |