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Author SHA1 Message Date
Lad PrabhakarandAnup Patel 0021b43737 lib: utils: serial: Add FDT driver for Renesas SCIF 
Add FDT driver for Renesas SCIF.

    dts example:

    soc: soc {
          ....
            scif0: serial@1004b800 {
                    compatible = "renesas,scif-r9a07g043",
                                 "renesas,scif-r9a07g044";
                    reg = <0 0x1004b800 0 0x400>;
                    interrupts = <412 IRQ_TYPE_LEVEL_HIGH>,
                                 <414 IRQ_TYPE_LEVEL_HIGH>,
                                 <415 IRQ_TYPE_LEVEL_HIGH>,
                                 <413 IRQ_TYPE_LEVEL_HIGH>,
                                 <416 IRQ_TYPE_LEVEL_HIGH>,
                                 <416 IRQ_TYPE_LEVEL_HIGH>;
                    interrupt-names = "eri", "rxi", "txi",
                                      "bri", "dri", "tei";
                    clocks = <&cpg CPG_MOD R9A07G043_SCIF0_CLK_PCK>;
                    clock-names = "fck";
                    power-domains = <&cpg>;
                    resets = <&cpg R9A07G043_SCIF0_RST_SYSTEM_N>;
                    status = "disabled";
            };
          ....
    };

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
 2022-12-12 18:50:35 +05:30
Lad PrabhakarandAnup Patel 64e8b9f72e lib: utils: serial: Add Renesas SCIF driver 
Add Renesas SCIF driver.

Based on a patch in the BSP by Takeki Hamada
<takeki.hamada.ak@bp.renesas.com>
Link: https://github.com/renesas-rz/rz_opensbi/commits/work/OpenSBI-PMA

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
 2022-12-12 18:50:26 +05:30
Lad PrabhakarandAnup Patel ed8b8f5254 platform: generic: Make use of fdt_match_node() 
It makes sense to use fdt_match_node() instead of fdt_find_match()
in fw_platform_lookup_special() as we already have the start offset
to search from.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
 2022-12-09 11:13:00 +05:30
Lad PrabhakarandAnup Patel e9775120f5 lib: utils: Add fdt_fixup_node() helper function 
Add a helper function fdt_fixup_node() based on the compatible string.
This will avoid code duplication for every new node fixup being added.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Xiang W <wxjstz@126.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
 2022-12-05 17:54:45 +05:30