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Date: Tue, 8 Feb 2022 01:00:47 +0000
From: Aidan MacDonald <aidanmacdonald.0x0@...il.com>
To: paul@...pouillou.net, mturquette@...libre.com, sboyd@...nel.org
Cc: linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] clk: ingenic: Mark critical clocks in Ingenic SoCs
Consider the CPU, L2 cache, and memory as critical to ensure they
are not disabled.
Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@...il.com>
---
drivers/clk/ingenic/jz4725b-cgu.c | 2 ++
drivers/clk/ingenic/jz4740-cgu.c | 2 ++
drivers/clk/ingenic/jz4760-cgu.c | 2 ++
drivers/clk/ingenic/jz4770-cgu.c | 1 +
drivers/clk/ingenic/jz4780-cgu.c | 3 +++
drivers/clk/ingenic/x1000-cgu.c | 3 +++
drivers/clk/ingenic/x1830-cgu.c | 3 +++
7 files changed, 16 insertions(+)
diff --git a/drivers/clk/ingenic/jz4725b-cgu.c b/drivers/clk/ingenic/jz4725b-cgu.c
index 744d136b721b..639fa4e29b05 100644
--- a/drivers/clk/ingenic/jz4725b-cgu.c
+++ b/drivers/clk/ingenic/jz4725b-cgu.c
@@ -87,6 +87,7 @@ static const struct ingenic_cgu_clk_info jz4725b_cgu_clocks[] = {
[JZ4725B_CLK_CCLK] = {
"cclk", CGU_CLK_DIV,
+ .flags = CLK_IS_CRITICAL,
.parents = { JZ4725B_CLK_PLL, -1, -1, -1 },
.div = {
CGU_REG_CPCCR, 0, 1, 4, 22, -1, -1, 0,
@@ -114,6 +115,7 @@ static const struct ingenic_cgu_clk_info jz4725b_cgu_clocks[] = {
[JZ4725B_CLK_MCLK] = {
"mclk", CGU_CLK_DIV,
+ .flags = CLK_IS_CRITICAL,
.parents = { JZ4725B_CLK_PLL, -1, -1, -1 },
.div = {
CGU_REG_CPCCR, 12, 1, 4, 22, -1, -1, 0,
diff --git a/drivers/clk/ingenic/jz4740-cgu.c b/drivers/clk/ingenic/jz4740-cgu.c
index 43ffb62c42bb..2b6f7a9fcea8 100644
--- a/drivers/clk/ingenic/jz4740-cgu.c
+++ b/drivers/clk/ingenic/jz4740-cgu.c
@@ -102,6 +102,7 @@ static const struct ingenic_cgu_clk_info jz4740_cgu_clocks[] = {
[JZ4740_CLK_CCLK] = {
"cclk", CGU_CLK_DIV,
+ .flags = CLK_IS_CRITICAL,
.parents = { JZ4740_CLK_PLL, -1, -1, -1 },
.div = {
CGU_REG_CPCCR, 0, 1, 4, 22, -1, -1, 0,
@@ -129,6 +130,7 @@ static const struct ingenic_cgu_clk_info jz4740_cgu_clocks[] = {
[JZ4740_CLK_MCLK] = {
"mclk", CGU_CLK_DIV,
+ .flags = CLK_IS_CRITICAL,
.parents = { JZ4740_CLK_PLL, -1, -1, -1 },
.div = {
CGU_REG_CPCCR, 12, 1, 4, 22, -1, -1, 0,
diff --git a/drivers/clk/ingenic/jz4760-cgu.c b/drivers/clk/ingenic/jz4760-cgu.c
index 8fdd383560fb..7920df2cee1a 100644
--- a/drivers/clk/ingenic/jz4760-cgu.c
+++ b/drivers/clk/ingenic/jz4760-cgu.c
@@ -143,6 +143,7 @@ static const struct ingenic_cgu_clk_info jz4760_cgu_clocks[] = {
[JZ4760_CLK_CCLK] = {
"cclk", CGU_CLK_DIV,
+ .flags = CLK_IS_CRITICAL,
.parents = { JZ4760_CLK_PLL0, },
.div = {
CGU_REG_CPCCR, 0, 1, 4, 22, -1, -1, 0,
@@ -175,6 +176,7 @@ static const struct ingenic_cgu_clk_info jz4760_cgu_clocks[] = {
},
[JZ4760_CLK_MCLK] = {
"mclk", CGU_CLK_DIV,
+ .flags = CLK_IS_CRITICAL,
.parents = { JZ4760_CLK_PLL0, },
.div = {
CGU_REG_CPCCR, 12, 1, 4, 22, -1, -1, 0,
diff --git a/drivers/clk/ingenic/jz4770-cgu.c b/drivers/clk/ingenic/jz4770-cgu.c
index 7ef91257630e..02b266c2a537 100644
--- a/drivers/clk/ingenic/jz4770-cgu.c
+++ b/drivers/clk/ingenic/jz4770-cgu.c
@@ -149,6 +149,7 @@ static const struct ingenic_cgu_clk_info jz4770_cgu_clocks[] = {
[JZ4770_CLK_CCLK] = {
"cclk", CGU_CLK_DIV,
+ .flags = CLK_IS_CRITICAL,
.parents = { JZ4770_CLK_PLL0, },
.div = {
CGU_REG_CPCCR, 0, 1, 4, 22, -1, -1, 0,
diff --git a/drivers/clk/ingenic/jz4780-cgu.c b/drivers/clk/ingenic/jz4780-cgu.c
index e357c228e0f1..014674486038 100644
--- a/drivers/clk/ingenic/jz4780-cgu.c
+++ b/drivers/clk/ingenic/jz4780-cgu.c
@@ -341,12 +341,14 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = {
[JZ4780_CLK_CPU] = {
"cpu", CGU_CLK_DIV,
+ .flags = CLK_IS_CRITICAL,
.parents = { JZ4780_CLK_CPUMUX, -1, -1, -1 },
.div = { CGU_REG_CLOCKCONTROL, 0, 1, 4, 22, -1, -1 },
},
[JZ4780_CLK_L2CACHE] = {
"l2cache", CGU_CLK_DIV,
+ .flags = CLK_IS_CRITICAL,
.parents = { JZ4780_CLK_CPUMUX, -1, -1, -1 },
.div = { CGU_REG_CLOCKCONTROL, 4, 1, 4, -1, -1, -1 },
},
@@ -380,6 +382,7 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = {
[JZ4780_CLK_DDR] = {
"ddr", CGU_CLK_MUX | CGU_CLK_DIV,
+ .flags = CLK_IS_CRITICAL,
.parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, -1 },
.mux = { CGU_REG_DDRCDR, 30, 2 },
.div = { CGU_REG_DDRCDR, 0, 1, 4, 29, 28, 27 },
diff --git a/drivers/clk/ingenic/x1000-cgu.c b/drivers/clk/ingenic/x1000-cgu.c
index 3c4d5a77ccbd..1bd421cc2ab3 100644
--- a/drivers/clk/ingenic/x1000-cgu.c
+++ b/drivers/clk/ingenic/x1000-cgu.c
@@ -251,6 +251,7 @@ static const struct ingenic_cgu_clk_info x1000_cgu_clocks[] = {
[X1000_CLK_CPU] = {
"cpu", CGU_CLK_DIV | CGU_CLK_GATE,
+ .flags = CLK_IS_CRITICAL,
.parents = { X1000_CLK_CPUMUX, -1, -1, -1 },
.div = { CGU_REG_CPCCR, 0, 1, 4, 22, -1, -1 },
.gate = { CGU_REG_CLKGR, 30 },
@@ -258,6 +259,7 @@ static const struct ingenic_cgu_clk_info x1000_cgu_clocks[] = {
[X1000_CLK_L2CACHE] = {
"l2cache", CGU_CLK_DIV,
+ .flags = CLK_IS_CRITICAL,
.parents = { X1000_CLK_CPUMUX, -1, -1, -1 },
.div = { CGU_REG_CPCCR, 4, 1, 4, 22, -1, -1 },
},
@@ -290,6 +292,7 @@ static const struct ingenic_cgu_clk_info x1000_cgu_clocks[] = {
[X1000_CLK_DDR] = {
"ddr", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE,
+ .flags = CLK_IS_CRITICAL,
.parents = { -1, X1000_CLK_SCLKA, X1000_CLK_MPLL, -1 },
.mux = { CGU_REG_DDRCDR, 30, 2 },
.div = { CGU_REG_DDRCDR, 0, 1, 4, 29, 28, 27 },
diff --git a/drivers/clk/ingenic/x1830-cgu.c b/drivers/clk/ingenic/x1830-cgu.c
index e01ec2dc7a1a..b08e318aa095 100644
--- a/drivers/clk/ingenic/x1830-cgu.c
+++ b/drivers/clk/ingenic/x1830-cgu.c
@@ -225,6 +225,7 @@ static const struct ingenic_cgu_clk_info x1830_cgu_clocks[] = {
[X1830_CLK_CPU] = {
"cpu", CGU_CLK_DIV | CGU_CLK_GATE,
+ .flags = CLK_IS_CRITICAL,
.parents = { X1830_CLK_CPUMUX, -1, -1, -1 },
.div = { CGU_REG_CPCCR, 0, 1, 4, 22, -1, -1 },
.gate = { CGU_REG_CLKGR1, 15 },
@@ -232,6 +233,7 @@ static const struct ingenic_cgu_clk_info x1830_cgu_clocks[] = {
[X1830_CLK_L2CACHE] = {
"l2cache", CGU_CLK_DIV,
+ .flags = CLK_IS_CRITICAL,
.parents = { X1830_CLK_CPUMUX, -1, -1, -1 },
.div = { CGU_REG_CPCCR, 4, 1, 4, 22, -1, -1 },
},
@@ -264,6 +266,7 @@ static const struct ingenic_cgu_clk_info x1830_cgu_clocks[] = {
[X1830_CLK_DDR] = {
"ddr", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE,
+ .flags = CLK_IS_CRITICAL,
.parents = { -1, X1830_CLK_SCLKA, X1830_CLK_MPLL, -1 },
.mux = { CGU_REG_DDRCDR, 30, 2 },
.div = { CGU_REG_DDRCDR, 0, 1, 4, 29, 28, 27 },
--
2.34.1
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