[PATCH 07/10] clk: imx: scu: Add A72 frequency scaling support

Dong Aisheng aisheng.dong at nxp.com
Fri Jun 4 02:09:40 PDT 2021


From: Anson Huang <Anson.Huang at nxp.com>

Add A72 clock to support cpufreq on A72 cluster.

Signed-off-by: Anson Huang <Anson.Huang at nxp.com>
Signed-off-by: Dong Aisheng <aisheng.dong at nxp.com>
---
 drivers/clk/imx/clk-scu.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c
index 8b3eb58e6d12..9f7ad3ca1039 100644
--- a/drivers/clk/imx/clk-scu.c
+++ b/drivers/clk/imx/clk-scu.c
@@ -275,6 +275,8 @@ static int clk_scu_atf_set_cpu_rate(struct clk_hw *hw, unsigned long rate,
 
 	if (clk->rsrc_id == IMX_SC_R_A35 || clk->rsrc_id == IMX_SC_R_A53)
 		cluster_id = 0;
+	else if (clk->rsrc_id == IMX_SC_R_A72)
+		cluster_id = 1;
 	else
 		return -EINVAL;
 
@@ -449,7 +451,7 @@ struct clk_hw *__imx_clk_scu(struct device *dev, const char *name,
 
 	init.name = name;
 	init.ops = &clk_scu_ops;
-	if (rsrc_id == IMX_SC_R_A35 || rsrc_id == IMX_SC_R_A53)
+	if (rsrc_id == IMX_SC_R_A35 || rsrc_id == IMX_SC_R_A53 || rsrc_id == IMX_SC_R_A72)
 		init.ops = &clk_scu_cpu_ops;
 	else if (rsrc_id == IMX_SC_R_PI_0_PLL)
 		init.ops = &clk_scu_pi_ops;
-- 
2.25.1




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