[PATCH 1/2] phy: freescale: fsl-samsung-hdmi: Add references for calculating LUT parameters to comment

From: Frieder Schrempf
Date: Tue Sep 10 2024 - 14:16:45 EST


Mention the Reference Manual and the scripts and tools available
to help calculating the PLL parameters for additional LUT entries.

Suggested-by: Dominique Martinet <dominique.martinet@xxxxxxxxxxxxxxxxx>
Signed-off-by: Frieder Schrempf <frieder@xxxxxxx>
---
drivers/phy/freescale/phy-fsl-samsung-hdmi.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/freescale/phy-fsl-samsung-hdmi.c b/drivers/phy/freescale/phy-fsl-samsung-hdmi.c
index 1203143bad7a..401178bfcdda 100644
--- a/drivers/phy/freescale/phy-fsl-samsung-hdmi.c
+++ b/drivers/phy/freescale/phy-fsl-samsung-hdmi.c
@@ -61,7 +61,13 @@ static struct phy_config calculated_phy_pll_cfg = {
.pll_div_regs = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00 },
};

-/* The lookup table contains values for which the fractional divder is used */
+/*
+ * The lookup table contains values for which the fractional divder is used.
+ * Please see the i.MX8MP Reference Manual and the resources at [1] for
+ * additional information on calculating values for table entries.
+ *
+ * [1] https://codeberg.org/fschrempf/samsung-hdmi-phy-pll-calculator
+ */
static const struct phy_config phy_pll_cfg[] = {
{
.pixclk = 22250000,
--
2.46.0