clk: imx: fracn-gppll: disable hardware select control

[platform/kernel/linux-starfive.git] / drivers / clk / imx / clk-fracn-gppll.c

diff --git a/drivers/clk/imx/clk-fracn-gppll.c b/drivers/clk/imx/clk-fracn-gppll.c
index ec50c41..f667411 100644 (file)
--- a/drivers/clk/imx/clk-fracn-gppll.c
+++ b/drivers/clk/imx/clk-fracn-gppll.c
@@ -15,6 +15,7 @@
 #include "clk.h"
 
 #define PLL_CTRL               0x0
+#define HW_CTRL_SEL            BIT(16)
 #define CLKMUX_BYPASS          BIT(2)
 #define CLKMUX_EN              BIT(1)
 #define POWERUP_MASK           BIT(0)
@@ -193,6 +194,11 @@ static int clk_fracn_gppll_set_rate(struct clk_hw *hw, unsigned long drate,
 
        rate = imx_get_pll_settings(pll, drate);
 
+       /* Hardware control select disable. PLL is control by register */
+       tmp = readl_relaxed(pll->base + PLL_CTRL);
+       tmp &= ~HW_CTRL_SEL;
+       writel_relaxed(tmp, pll->base + PLL_CTRL);
+
        /* Disable output */
        tmp = readl_relaxed(pll->base + PLL_CTRL);
        tmp &= ~CLKMUX_EN;