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clk: ingenic: jz4770: Modify C1CLK clock to disable CPU clock stop on idle

When the main processor goes idle, by default its clock is stopped.
However, this also stops the clock of the co-processor.

Here, if the C1CLK clock is enabled, we disable this functionality.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Paul Cercueil 7 年之前
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共有 1 个文件被更改,包括 2 次插入1 次删除
  1. 2 1
      drivers/clk/ingenic/jz4770-cgu.c

+ 2 - 1
drivers/clk/ingenic/jz4770-cgu.c

@@ -162,9 +162,10 @@ static const struct ingenic_cgu_clk_info jz4770_cgu_clocks[] = {
 		.div = { CGU_REG_CPCCR, 16, 1, 4, 22, -1, -1 },
 	},
 	[JZ4770_CLK_C1CLK] = {
-		"c1clk", CGU_CLK_DIV,
+		"c1clk", CGU_CLK_DIV | CGU_CLK_GATE,
 		.parents = { JZ4770_CLK_PLL0, },
 		.div = { CGU_REG_CPCCR, 12, 1, 4, 22, -1, -1 },
+		.gate = { CGU_REG_OPCR, 31, true }, // disable CCLK stop on idle
 	},
 	[JZ4770_CLK_PCLK] = {
 		"pclk", CGU_CLK_DIV,