From: Joel Stanley <joel@jms.id.au>
To: linuxppc-dev@lists.ozlabs.org
Cc: Jeremy Kerr <jk@codeconstruct.com.au>,
Matt Johnston <matt@codeconstruct.com.au>
Subject: [PATCH v2] powerpc/microwatt: Add litesd
Date: Fri, 30 Sep 2022 16:20:12 +0930 [thread overview]
Message-ID: <20220930065012.2860577-1-joel@jms.id.au> (raw)
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 <joel@jms.id.au>
---
v2:
* remove non-removable property
* Remove status=disabled
* Add clock
---
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 b69db1d275cd..269e930b3b0b 100644
--- a/arch/powerpc/boot/dts/microwatt.dts
+++ b/arch/powerpc/boot/dts/microwatt.dts
@@ -21,6 +21,14 @@ memory@0 {
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 @@ ethernet@8020000 {
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 {
--
2.35.1
next reply other threads:[~2022-09-30 6:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-30 6:50 Joel Stanley [this message]
2022-11-30 9:24 ` [PATCH v2] powerpc/microwatt: Add litesd Michael Ellerman
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