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path: root/drivers/clk/tegra/clk-tegra124.c
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Diffstat (limited to 'drivers/clk/tegra/clk-tegra124.c')
-rw-r--r--drivers/clk/tegra/clk-tegra124.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c
index 106ec45..a488674 100644
--- a/drivers/clk/tegra/clk-tegra124.c
+++ b/drivers/clk/tegra/clk-tegra124.c
@@ -98,6 +98,8 @@
#define PMC_PLLM_WB0_OVERRIDE 0x1dc
#define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
+#define CCLKG_BURST_POLICY 0x368
+
#define UTMIP_PLL_CFG2 0x488
#define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xffff) << 6)
#define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
@@ -130,6 +132,8 @@
#ifdef CONFIG_PM_SLEEP
static struct cpu_clk_suspend_context {
u32 clk_csite_src;
+ u32 cclkg_burst;
+ u32 cclkg_divider;
} tegra124_cpu_clk_sctx;
#endif
@@ -1323,12 +1327,22 @@ static void tegra124_cpu_clock_suspend(void)
tegra124_cpu_clk_sctx.clk_csite_src =
readl(clk_base + CLK_SOURCE_CSITE);
writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
+
+ tegra124_cpu_clk_sctx.cclkg_burst =
+ readl(clk_base + CCLKG_BURST_POLICY);
+ tegra124_cpu_clk_sctx.cclkg_divider =
+ readl(clk_base + CCLKG_BURST_POLICY + 4);
}
static void tegra124_cpu_clock_resume(void)
{
writel(tegra124_cpu_clk_sctx.clk_csite_src,
clk_base + CLK_SOURCE_CSITE);
+
+ writel(tegra124_cpu_clk_sctx.cclkg_burst,
+ clk_base + CCLKG_BURST_POLICY);
+ writel(tegra124_cpu_clk_sctx.cclkg_divider,
+ clk_base + CCLKG_BURST_POLICY + 4);
}
#endif