[PATCH v4 01/11] clk: imx8mp: Add support for PCIe clocks

[Sumit Garg]

Add support for PCIe clocks required to enable PCIe support on
iMX8MP SoC.

Tested-by: Tim Harvey <thar...@gateworks.com> #imx8mp-venice*
Tested-by: Adam Ford <aford...@gmail.com> #imx8mp-beacon-kit
Reviewed-by: Marek Vasut <ma...@denx.de>
Signed-off-by: Sumit Garg <sumit.g...@linaro.org>
---
 drivers/clk/imx/clk-imx8mp.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c
index a21a3ce34bb..7dfc829df2c 100644
--- a/drivers/clk/imx/clk-imx8mp.c
+++ b/drivers/clk/imx/clk-imx8mp.c
@@ -62,6 +62,10 @@ static const char *imx8mp_dram_apb_sels[] = 
{"clock-osc-24m", "sys_pll2_200m", "
                                             "sys_pll1_160m", "sys_pll1_800m", 
"sys_pll3_out",
                                             "sys_pll2_250m", "audio_pll2_out", 
};
 
+static const char * const imx8mp_pcie_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", };
+
 static const char *imx8mp_i2c5_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", };
@@ -272,6 +276,7 @@ static int imx8mp_clk_probe(struct udevice *dev)
 
        clk_dm(IMX8MP_CLK_DRAM_ALT, imx8m_clk_composite("dram_alt", 
imx8mp_dram_alt_sels, base + 0xa000));
        clk_dm(IMX8MP_CLK_DRAM_APB, imx8m_clk_composite_critical("dram_apb", 
imx8mp_dram_apb_sels, base + 0xa080));
+       clk_dm(IMX8MP_CLK_PCIE_AUX, imx8m_clk_composite("pcie_aux", 
imx8mp_pcie_aux_sels, base + 0xa400));
        clk_dm(IMX8MP_CLK_I2C5, imx8m_clk_composite("i2c5", imx8mp_i2c5_sels, 
base + 0xa480));
        clk_dm(IMX8MP_CLK_I2C6, imx8m_clk_composite("i2c6", imx8mp_i2c6_sels, 
base + 0xa500));
        clk_dm(IMX8MP_CLK_ENET_QOS, imx8m_clk_composite("enet_qos", 
imx8mp_enet_qos_sels, base + 0xa880));
@@ -322,6 +327,7 @@ static int imx8mp_clk_probe(struct udevice *dev)
        clk_dm(IMX8MP_CLK_I2C2_ROOT, imx_clk_gate4("i2c2_root_clk", "i2c2", 
base + 0x4180, 0));
        clk_dm(IMX8MP_CLK_I2C3_ROOT, imx_clk_gate4("i2c3_root_clk", "i2c3", 
base + 0x4190, 0));
        clk_dm(IMX8MP_CLK_I2C4_ROOT, imx_clk_gate4("i2c4_root_clk", "i2c4", 
base + 0x41a0, 0));
+       clk_dm(IMX8MP_CLK_PCIE_ROOT, imx_clk_gate4("pcie_root_clk", "pcie_aux", 
base + 0x4250, 0));
        clk_dm(IMX8MP_CLK_PWM1_ROOT, imx_clk_gate4("pwm1_root_clk", "pwm1", 
base + 0x4280, 0));
        clk_dm(IMX8MP_CLK_PWM2_ROOT, imx_clk_gate4("pwm2_root_clk", "pwm2", 
base + 0x4290, 0));
        clk_dm(IMX8MP_CLK_PWM3_ROOT, imx_clk_gate4("pwm3_root_clk", "pwm3", 
base + 0x42a0, 0));
-- 
2.34.1