[PATCH 1/2] clk: imx8mp Enable SPI clock

Arendt, Steffen s.arendt at sensopart.de
Fri Feb 19 13:35:16 CET 2021


Enable SPI clock for imx8mp

Signed-off-by: Steffen Arendt <s.arendt at sensopart.de>
---

diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c
index c77500bcce..b31afb31c0 100644
--- a/drivers/clk/imx/clk-imx8mp.c
+++ b/drivers/clk/imx/clk-imx8mp.c
@@ -116,6 +116,20 @@ static const char *imx8mp_i2c6_sels[] = "clock-osc-24m", "sys_pll1_160m", "sys_
                                         "sys_pll3_out", "audio_pll1_out", "video_pll1_out",
                                         "audio_pll2_out", "sys_pll1_133m", ;

+#if CONFIG_IS_ENABLED(DM_SPI)
+static const char *imx8mp_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 *imx8mp_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 *imx8mp_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 *imx8mp_usdhc1_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", ;
@@ -397,6 +411,21 @@ static int imx8mp_clk_probe(struct udevice *dev)

        clk_dm(IMX8MP_CLK_USDHC3_ROOT, imx_clk_gate4("usdhc3_root_clk", "usdhc3", base + 0x45e0, 0));

+#if CONFIG_IS_ENABLED(DM_SPI)
+       clk_dm(IMX8MP_CLK_ECSPI1,
+              imx8m_clk_composite("ecspi1", imx8mp_ecspi1_sels, base + 0xb280));
+       clk_dm(IMX8MP_CLK_ECSPI2,
+              imx8m_clk_composite("ecspi2", imx8mp_ecspi2_sels, base + 0xb300));
+       clk_dm(IMX8MP_CLK_ECSPI3,
+              imx8m_clk_composite("ecspi3", imx8mp_ecspi3_sels, base + 0xc180));
+       clk_dm(IMX8MP_CLK_ECSPI1_ROOT,
+              imx_clk_gate4("ecspi1_root_clk", "ecspi1", base + 0x4070, 0));
+       clk_dm(IMX8MP_CLK_ECSPI2_ROOT,
+              imx_clk_gate4("ecspi2_root_clk", "ecspi2", base + 0x4080, 0));
+       clk_dm(IMX8MP_CLK_ECSPI3_ROOT,
+              imx_clk_gate4("ecspi3_root_clk", "ecspi3", base + 0x4090, 0));
+#endif
+
        return 0;



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