From 2ad09a28a5ad6d3db732a3622975868c6434b1c6 Mon Sep 17 00:00:00 2001 From: Conor Dooley Date: Mon, 9 May 2022 15:26:06 +0100 Subject: [PATCH] riscv: dts: microchip: make the fabric dtsi board specific Currently mpfs-fabric.dtsi is included by mpfs.dtsi - which is fine currently since there is only one board with this SoC upstream. However if another board was added, it would include the fabric contents of the Icicle Kit's reference design. To avoid this, rename mpfs-fabric.dtsi to mpfs-icicle-kit-fabric.dtsi & include it in the dts rather than mpfs.dtsi. mpfs-icicle-kit-fabric.dtsi specifically matches the 22.03 reference design for the icicle kit's FPGA fabric & an older version of the design may not have the i2c or pwm devices - so add the compatible string to document this. Reviewed-by: Heiko Stuebner Signed-off-by: Conor Dooley Link: https://lore.kernel.org/r/20220509142610.128590-6-conor.dooley@microchip.com Signed-off-by: Palmer Dabbelt --- .../microchip/{mpfs-fabric.dtsi => mpfs-icicle-kit-fabric.dtsi} | 2 ++ arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts | 1 + arch/riscv/boot/dts/microchip/mpfs.dtsi | 1 - 3 files changed, 3 insertions(+), 1 deletion(-) rename arch/riscv/boot/dts/microchip/{mpfs-fabric.dtsi => mpfs-icicle-kit-fabric.dtsi} (91%) diff --git a/arch/riscv/boot/dts/microchip/mpfs-fabric.dtsi b/arch/riscv/boot/dts/microchip/mpfs-icicle-kit-fabric.dtsi similarity index 91% rename from arch/riscv/boot/dts/microchip/mpfs-fabric.dtsi rename to arch/riscv/boot/dts/microchip/mpfs-icicle-kit-fabric.dtsi index ccaac3371cf99..0d28858b83f28 100644 --- a/arch/riscv/boot/dts/microchip/mpfs-fabric.dtsi +++ b/arch/riscv/boot/dts/microchip/mpfs-icicle-kit-fabric.dtsi @@ -2,6 +2,8 @@ /* Copyright (c) 2020-2021 Microchip Technology Inc */ / { + compatible = "microchip,mpfs-icicle-reference-rtlv2203", "microchip,mpfs"; + core_pwm0: pwm@41000000 { compatible = "microchip,corepwm-rtl-v4"; reg = <0x0 0x41000000 0x0 0xF0>; diff --git a/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts b/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts index 84b0015dfd471..739dfa52bed10 100644 --- a/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts +++ b/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts @@ -4,6 +4,7 @@ /dts-v1/; #include "mpfs.dtsi" +#include "mpfs-icicle-kit-fabric.dtsi" /* Clock frequency (in Hz) of the rtcclk */ #define RTCCLK_FREQ 1000000 diff --git a/arch/riscv/boot/dts/microchip/mpfs.dtsi b/arch/riscv/boot/dts/microchip/mpfs.dtsi index 7d2c226479d36..8c32591341942 100644 --- a/arch/riscv/boot/dts/microchip/mpfs.dtsi +++ b/arch/riscv/boot/dts/microchip/mpfs.dtsi @@ -3,7 +3,6 @@ /dts-v1/; #include "dt-bindings/clock/microchip,mpfs-clock.h" -#include "mpfs-fabric.dtsi" / { #address-cells = <2>; -- 2.39.5