[PATCH 4/6] clk: ingenic: jz4770: Modify C1CLK clock to disable CPU clock stop on idle

From: Paul Cercueil
Date: Sun May 20 2018 - 11:37:15 EST


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@xxxxxxxxxxxxxxx>
---
drivers/clk/ingenic/jz4770-cgu.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/ingenic/jz4770-cgu.c b/drivers/clk/ingenic/jz4770-cgu.c
index 226c8016f6b0..2a4209a9f53f 100644
--- a/drivers/clk/ingenic/jz4770-cgu.c
+++ b/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,
--
2.17.0