[PATCH v3 11/21] imx9: Add 233Mhz DDR PLL frequency

[Peng Fan (OSS)]

From: Ye Li <ye.li at nxp.com>

To support 1.866GTS LPDDR4x timing script, need to add 233Mhz freq
to DDR PLL for second mission point at 933MTS. Otherwise DDR training
will fail.

Reviewed-by: Peng Fan <peng.fan at nxp.com>
Signed-off-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     | 1 +
 drivers/ddr/imx/phy/ddrphy_utils.c | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/arch/arm/mach-imx/imx9/clock.c b/arch/arm/mach-imx/imx9/clock.c
index 76d19f1cba3..12685f970de 100644
--- a/arch/arm/mach-imx/imx9/clock.c
+++ b/arch/arm/mach-imx/imx9/clock.c
@@ -41,6 +41,7 @@ static struct imx_fracpll_rate_table imx9_fracpll_tbl[] = {
 	FRAC_PLL_RATE(466000000U, 1, 155, 8, 1, 3), /* 466Mhz */
 	FRAC_PLL_RATE(400000000U, 1, 200, 12, 0, 1), /* 400Mhz */
 	FRAC_PLL_RATE(300000000U, 1, 150, 12, 0, 1),
+	FRAC_PLL_RATE(233000000U, 1, 174, 18, 3, 4), /* 233Mhz */
 };
 
 /* return in khz */
diff --git a/drivers/ddr/imx/phy/ddrphy_utils.c b/drivers/ddr/imx/phy/ddrphy_utils.c
index cf5bdad7abe..14278f5ad8f 100644
--- a/drivers/ddr/imx/phy/ddrphy_utils.c
+++ b/drivers/ddr/imx/phy/ddrphy_utils.c
@@ -148,6 +148,10 @@ void ddrphy_init_set_dfi_clk(unsigned int drate)
 		dram_pll_init(MHZ(266));
 		dram_disable_bypass();
 		break;
+	case 933:
+		dram_pll_init(MHZ(233));
+		dram_disable_bypass();
+		break;
 	case 667:
 		dram_pll_init(MHZ(167));
 		dram_disable_bypass();

-- 
2.35.3