Add imx93-var-som support

Add support for the Variscite VAR-SOM-IMX93 evaluation kit. The SoM
consists of an NXP iMX93 dual A55 CPU. The SoM is mounted on a Variscite
Symphony SBC.

Signed-off-by: Mathieu Othacehe <m.othacehe@gmail.com>

imx9: simplify clk settings

Simplify the clk root settings with an array

Signed-off-by: Peng Fan <peng.fan@nxp.com>

imx: imx93_evk: Set ARM clock to 1.7Ghz

Set ARM clock to OD frequency 1.7Ghz, since we have set PMIC VDD_SOC
to Overdrive voltage 0.9V

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>

imx: imx9: clock: Add DDR clock support

Implement the DDR driver clock interfaces for set DDR rate and
bypass DDR PLL

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>

imx: imx9: Add CCM and clock API support

Add clock API to support CCM root clock and LPCG setting
Set the CCM AUTHEN register to allow non-secure world to set
root clock and lpcg.

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>

imx: add basic i.MX9 support

Add i.MX9 Kconfig and basic files for the new SoC

Signed-off-by: Peng Fan <peng.fan@nxp.com>

imx9: simplify clk settings

Simplify the clk root settings with an array

Signed-off-by: Peng Fan <peng.fan@nxp.com>

imx: imx93_evk: Set ARM clock to 1.7Ghz

Set ARM clock to OD frequency 1.7Ghz, since we have set PMIC VDD_SOC
to Overdrive voltage 0.9V

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>

imx: imx9: clock: Add DDR clock support

Implement the DDR driver clock interfaces for set DDR rate and
bypass DDR PLL

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>

imx: imx9: Add CCM and clock API support

Add clock API to support CCM root clock and LPCG setting
Set the CCM AUTHEN register to allow non-secure world to set
root clock and lpcg.

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>

imx: add basic i.MX9 support

Add i.MX9 Kconfig and basic files for the new SoC

Signed-off-by: Peng Fan <peng.fan@nxp.com>

imx: imx93_evk: Set ARM clock to 1.7Ghz

Set ARM clock to OD frequency 1.7Ghz, since we have set PMIC VDD_SOC
to Overdrive voltage 0.9V

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>

imx: imx9: clock: Add DDR clock support

Implement the DDR driver clock interfaces for set DDR rate and
bypass DDR PLL

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>

imx: imx9: Add CCM and clock API support

Add clock API to support CCM root clock and LPCG setting
Set the CCM AUTHEN register to allow non-secure world to set
root clock and lpcg.

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>

imx: add basic i.MX9 support

Add i.MX9 Kconfig and basic files for the new SoC

Signed-off-by: Peng Fan <peng.fan@nxp.com>