From 5825603f67bc5ff445a1847302884154f0afa627 Mon Sep 17 00:00:00 2001 From: Joel Stanley Date: Fri, 30 Sep 2022 16:20:12 +0930 Subject: [PATCH] powerpc/microwatt: Add litesd This is the register layout of the litesd peripheral for the fusesoc based Microwatt SoC. It requires a description of the system clock, which is hardcoded to 100MHz. Signed-off-by: Joel Stanley Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20220930065012.2860577-1-joel@jms.id.au --- arch/powerpc/boot/dts/microwatt.dts | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/powerpc/boot/dts/microwatt.dts b/arch/powerpc/boot/dts/microwatt.dts index b69db1d..269e930 100644 --- a/arch/powerpc/boot/dts/microwatt.dts +++ b/arch/powerpc/boot/dts/microwatt.dts @@ -21,6 +21,14 @@ reg = <0x00000000 0x00000000 0x00000000 0x10000000>; }; + clocks { + sys_clk: litex_sys_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <100000000>; + }; + }; + cpus { #size-cells = <0x00>; #address-cells = <0x01>; @@ -141,6 +149,20 @@ litex,slot-size = <0x800>; interrupts = <0x11 0x1>; }; + + mmc@8040000 { + compatible = "litex,mmc"; + reg = <0x8042800 0x800 + 0x8041000 0x800 + 0x8040800 0x800 + 0x8042000 0x800 + 0x8041800 0x800>; + reg-names = "phy", "core", "reader", "writer", "irq"; + bus-width = <4>; + interrupts = <0x13 1>; + cap-sd-highspeed; + clocks = <&sys_clk>; + }; }; chosen { -- 2.7.4