On Thu, Feb 29, 2024 at 7:10 PM Théo Lebrun <theo.lebrun@xxxxxxxxxxx> wrote: > Add compatible for the integration of the same DB8500 IP block into the > Mobileye EyeQ5 platform. Two quirks are present: > > - The memory bus only supports 32-bit accesses. Avoid writeb() and > readb() by introducing helper functions that fallback to writel() > and readl(). > > - A register must be configured for the I2C speed mode; it is located > in a shared register region called OLB. We access that memory region > using a syscon & regmap that gets passed as a phandle (mobileye,olb). > > A two-bit enum per controller is written into the register; that > requires us to know the global index of the I2C controller (cell arg > to the mobileye,olb phandle). > > We add #include <linux/mfd/syscon.h> and <linux/regmap.h> and sort > headers. > > Signed-off-by: Théo Lebrun <theo.lebrun@xxxxxxxxxxx> Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Yours, Linus Walleij
