[PATCH 1/3] clk: imx: Add ECSPI to iMX8MN

[Marek Vasut <marex@denx.de>]

Add ECSPI clock entries to iMX8MN clock driver. Only make those entries
available in case SPI support in U-Boot is enabled at all to conserve
space, esp. in SPL.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
---
 drivers/clk/imx/clk-imx8mn.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c
index e29d902544c..e398d7de02a 100644
--- a/drivers/clk/imx/clk-imx8mn.c
+++ b/drivers/clk/imx/clk-imx8mn.c
@@ -105,6 +105,20 @@ static const char *imx8mn_usdhc1_sels[] = {"clock-osc-24m", "sys_pll1_400m", "sy
 static const char *imx8mn_usdhc2_sels[] = {"clock-osc-24m", "sys_pll1_400m", "sys_pll1_800m", "sys_pll2_500m",
 					   "sys_pll3_out", "sys_pll1_266m", "audio_pll2_out", "sys_pll1_100m", };
 
+#if CONFIG_IS_ENABLED(DM_SPI)
+static const char *imx8mn_ecspi1_sels[] = {"osc_24m", "sys_pll2_200m", "sys_pll1_40m",
+					   "sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out",
+					   "sys_pll2_250m", "audio_pll2_out", };
+
+static const char *imx8mn_ecspi2_sels[] = {"osc_24m", "sys_pll2_200m", "sys_pll1_40m",
+					   "sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out",
+					   "sys_pll2_250m", "audio_pll2_out", };
+
+static const char *imx8mn_ecspi3_sels[] = {"osc_24m", "sys_pll2_200m", "sys_pll1_40m",
+					   "sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out",
+					   "sys_pll2_250m", "audio_pll2_out", };
+#endif
+
 static const char *imx8mn_i2c1_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", };
 
@@ -440,6 +454,21 @@ static int imx8mn_clk_probe(struct udevice *dev)
 	       base + 0x40a0, 0));
 #endif
 
+#if CONFIG_IS_ENABLED(DM_SPI)
+	clk_dm(IMX8MN_CLK_ECSPI1,
+	       imx8m_clk_composite("ecspi1", imx8mn_ecspi1_sels, base + 0xb280));
+	clk_dm(IMX8MN_CLK_ECSPI2,
+	       imx8m_clk_composite("ecspi2", imx8mn_ecspi2_sels, base + 0xb300));
+	clk_dm(IMX8MN_CLK_ECSPI3,
+	       imx8m_clk_composite("ecspi3", imx8mn_ecspi3_sels, base + 0xc180));
+	clk_dm(IMX8MN_CLK_ECSPI1_ROOT,
+	       imx_clk_gate4("ecspi1_root_clk", "ecspi1", base + 0x4070, 0));
+	clk_dm(IMX8MN_CLK_ECSPI2_ROOT,
+	       imx_clk_gate4("ecspi2_root_clk", "ecspi2", base + 0x4080, 0));
+	clk_dm(IMX8MN_CLK_ECSPI3_ROOT,
+	       imx_clk_gate4("ecspi3_root_clk", "ecspi3", base + 0x4090, 0));
+#endif
+
 	return 0;
 }
 
-- 
2.29.2