[PATCH 37/42] ddr: imx93: Add 625M bypass clock support

[Peng Fan (OSS)]

From: Jacky Bai <ping.bai at nxp.com>

Add 625M bypass clock that may be used DRAM 625M
bypass mode support.

Signed-off-by: Jacky Bai <ping.bai at nxp.com>
Reviewed-by: Ye Li <ye.li at nxp.com>
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 arch/arm/mach-imx/imx9/clock.c     | 3 +++
 drivers/ddr/imx/phy/ddrphy_utils.c | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/arch/arm/mach-imx/imx9/clock.c b/arch/arm/mach-imx/imx9/clock.c
index 957f80fce2e..a7ecccaf879 100644
--- a/arch/arm/mach-imx/imx9/clock.c
+++ b/arch/arm/mach-imx/imx9/clock.c
@@ -648,6 +648,9 @@ void dram_pll_init(ulong pll_val)
 void dram_enable_bypass(ulong clk_val)
 {
 	switch (clk_val) {
+	case MHZ(625):
+		ccm_clk_root_cfg(DRAM_ALT_CLK_ROOT, SYS_PLL_PFD2, 1);
+		break;
 	case MHZ(400):
 		ccm_clk_root_cfg(DRAM_ALT_CLK_ROOT, SYS_PLL_PFD1, 2);
 		break;
diff --git a/drivers/ddr/imx/phy/ddrphy_utils.c b/drivers/ddr/imx/phy/ddrphy_utils.c
index 6a8b6be42b2..fd8b4113b7b 100644
--- a/drivers/ddr/imx/phy/ddrphy_utils.c
+++ b/drivers/ddr/imx/phy/ddrphy_utils.c
@@ -148,6 +148,9 @@ void ddrphy_init_set_dfi_clk(unsigned int drate)
 		dram_pll_init(MHZ(167));
 		dram_disable_bypass();
 		break;
+	case 625:
+		dram_enable_bypass(MHZ(625));
+		break;
 	case 400:
 		dram_enable_bypass(MHZ(400));
 		break;
-- 
2.40.0