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clk: imx8mm: Add support for PCIe clocks

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Add support for PCIe clocks required to enable PCIe support on
iMX8MM SoC.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Tim Harvey
2024-04-20 00:37:51 -03:00
committed by Fabio Estevam
parent 51aaaf5e79
commit 2b3310ef13
1 changed files with 27 additions and 0 deletions
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drivers/clk/imx/clk-imx8mm.c
+27
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@@ -66,6 +66,17 @@ static const char *imx8mm_i2c3_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_
static const char *imx8mm_i2c4_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m", "sys_pll3_out", "audio_pll1_out",
"video_pll1_out", "audio_pll2_out", "sys_pll1_133m", };
#if CONFIG_IS_ENABLED(PCIE_DW_IMX)
static const char *imx8mm_pcie1_ctrl_sels[] = {"clock-osc-24m", "sys_pll2_250m", "sys_pll2_200m", "sys_pll1_266m",
"sys_pll1_800m", "sys_pll2_500m", "sys_pll2_333m", "sys_pll3_out", };
static const char *imx8mm_pcie1_phy_sels[] = {"clock-osc-24m", "sys_pll2_100m", "sys_pll2_500m", "clk_ext1", "clk_ext2",
"clk_ext3", "clk_ext4", "sys_pll1_400m", };
static const char *imx8mm_pcie1_aux_sels[] = {"clock-osc-24m", "sys_pll2_200m", "sys_pll2_50m", "sys_pll3_out",
"sys_pll2_100m", "sys_pll1_80m", "sys_pll1_160m", "sys_pll1_200m", };
#endif
#ifndef CONFIG_SPL_BUILD
static const char *imx8mm_pwm1_sels[] = {"clock-osc-24m", "sys_pll2_100m", "sys_pll1_160m", "sys_pll1_40m",
"sys_pll3_out", "clk_ext1", "sys_pll1_80m", "video_pll1_out", };
@@ -256,6 +267,17 @@ static int imx8mm_clk_probe(struct udevice *dev)
imx8m_clk_composite("usb_bus", imx8mm_usb_bus_sels, base + 0x8b80));
/* IP */
#if CONFIG_IS_ENABLED(PCIE_DW_IMX)
clk_dm(IMX8MM_CLK_PCIE1_CTRL,
imx8m_clk_composite("pcie1_ctrl", imx8mm_pcie1_ctrl_sels,
base + 0xa300));
clk_dm(IMX8MM_CLK_PCIE1_PHY,
imx8m_clk_composite("pcie1_phy", imx8mm_pcie1_phy_sels,
base + 0xa380));
clk_dm(IMX8MM_CLK_PCIE1_AUX,
imx8m_clk_composite("pcie1_aux", imx8mm_pcie1_aux_sels,
base + 0xa400));
#endif
clk_dm(IMX8MM_CLK_USDHC1,
imx8m_clk_composite("usdhc1", imx8mm_usdhc1_sels,
base + 0xac00));
@@ -339,6 +361,11 @@ static int imx8mm_clk_probe(struct udevice *dev)
imx_clk_gate4("pwm4_root_clk", "pwm4", base + 0x42b0, 0));
#endif
#if CONFIG_IS_ENABLED(PCIE_DW_IMX)
clk_dm(IMX8MM_CLK_PCIE1_ROOT,
imx_clk_gate4("pcie1_root_clk", "pcie1_ctrl", base + 0x4250, 0));
#endif
#if CONFIG_IS_ENABLED(DM_SPI)
clk_dm(IMX8MM_CLK_ECSPI1,
imx8m_clk_composite("ecspi1", imx8mm_ecspi1_sels, base + 0xb280));