This code has been ported from Linux kernel v5.5.5 (tag) and has been adjusted to U-Boot's DM.
It adds support for correct recognition of IMX_PLLV3_ENET flag in the clk-pllv3.c driver.
Signed-off-by: Lukasz Majewski lukma@denx.de ---
drivers/clk/imx/clk-pllv3.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+)
diff --git a/drivers/clk/imx/clk-pllv3.c b/drivers/clk/imx/clk-pllv3.c index 525442debf..88baf10f6a 100644 --- a/drivers/clk/imx/clk-pllv3.c +++ b/drivers/clk/imx/clk-pllv3.c @@ -20,6 +20,7 @@ #define UBOOT_DM_CLK_IMX_PLLV3_SYS "imx_clk_pllv3_sys" #define UBOOT_DM_CLK_IMX_PLLV3_USB "imx_clk_pllv3_usb" #define UBOOT_DM_CLK_IMX_PLLV3_AV "imx_clk_pllv3_av" +#define UBOOT_DM_CLK_IMX_PLLV3_ENET "imx_clk_pllv3_enet"
#define PLL_NUM_OFFSET 0x10 #define PLL_DENOM_OFFSET 0x20 @@ -34,6 +35,7 @@ struct clk_pllv3 { bool powerup_set; u32 div_mask; u32 div_shift; + unsigned long ref_clock; };
#define to_clk_pllv3(_clk) container_of(_clk, struct clk_pllv3, clk) @@ -224,6 +226,19 @@ static const struct clk_ops clk_pllv3_av_ops = { .set_rate = clk_pllv3_av_set_rate, };
+static ulong clk_pllv3_enet_get_rate(struct clk *clk) +{ + struct clk_pllv3 *pll = to_clk_pllv3(clk); + + return pll->ref_clock; +} + +static const struct clk_ops clk_pllv3_enet_ops = { + .enable = clk_pllv3_generic_enable, + .disable = clk_pllv3_generic_disable, + .get_rate = clk_pllv3_enet_get_rate, +}; + struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name, const char *parent_name, void __iomem *base, u32 div_mask) @@ -260,6 +275,10 @@ struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name, pll->div_shift = 0; pll->powerup_set = false; break; + case IMX_PLLV3_ENET: + drv_name = UBOOT_DM_CLK_IMX_PLLV3_ENET; + pll->ref_clock = 500000000; + break; default: kfree(pll); return ERR_PTR(-ENOTSUPP); @@ -305,3 +324,9 @@ U_BOOT_DRIVER(clk_pllv3_av) = { .ops = &clk_pllv3_av_ops, .flags = DM_FLAG_PRE_RELOC, }; + +U_BOOT_DRIVER(clk_pllv3_enet) = { + .name = UBOOT_DM_CLK_IMX_PLLV3_ENET, + .id = UCLASS_CLK, + .ops = &clk_pllv3_enet_ops, +};