[PATCH 07/10] clk: imx: scu: Add A72 frequency scaling support
From: Dong Aisheng <aisheng.dong@nxp.com>
Date: 2021-06-04 09:11:16
Also in:
linux-arm-kernel
Subsystem:
common clk framework, nxp i.mx clock drivers, the rest · Maintainers:
Stephen Boyd, Brian Masney, Jerome Brunet, Abel Vesa, Linus Torvalds
From: Anson Huang <redacted> Add A72 clock to support cpufreq on A72 cluster. Signed-off-by: Anson Huang <redacted> Signed-off-by: Dong Aisheng <aisheng.dong@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