diff options
| author | Lech Perczak | 2025-02-12 01:25:53 +0000 |
|---|---|---|
| committer | Hauke Mehrtens | 2025-02-12 23:24:14 +0000 |
| commit | 40fc6bd5cc679875e38ea1769527affdb5be12ba (patch) | |
| tree | 0006c53b6003ede09001797b74f77531fe8cd252 | |
| parent | 16924e55f0c5c0b06cbec46d04c6113b8f7a5975 (diff) | |
| download | openwrt-40fc6bd5cc679875e38ea1769527affdb5be12ba.tar.gz | |
ath79: mikrotik: fix reference clock of Routerboard 911G
When support for Routerboard 911G was introduced, Routerboad 912UAG
device tree was used as a base, and the common part. This led to use of
40MHz as the reference clock frequency for both [1], while RB911G uses 25MHz
crystal on the board, causing heavy system clock drift.
Split the definition, and set the reference clock frequency for RB911G
back to 25MHz.
[1] a716ac556497 ("ath79: fix reference clock for RouterBoard 912UAG")
Fixes: bcc44b1212b2 ("ath79: support for MikroTik RouterBOARD 911G-(2,5)HPnD")
Signed-off-by: Lech Perczak <lech.perczak@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/17944
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
3 files changed, 8 insertions, 4 deletions
diff --git a/target/linux/ath79/dts/ar9342_mikrotik_routerboard-911g-xhpnd.dts b/target/linux/ath79/dts/ar9342_mikrotik_routerboard-911g-xhpnd.dts index 5fa44b4412..655c590f8c 100644 --- a/target/linux/ath79/dts/ar9342_mikrotik_routerboard-911g-xhpnd.dts +++ b/target/linux/ath79/dts/ar9342_mikrotik_routerboard-911g-xhpnd.dts @@ -9,3 +9,7 @@ compatible = "mikrotik,routerboard-911g-xhpnd", "qca,ar9342"; model = "MikroTik RouterBOARD 911G-(2,5)HPnD"; }; + +&ref { + clock-frequency = <25000000>; +}; diff --git a/target/linux/ath79/dts/ar9342_mikrotik_routerboard-911g.dtsi b/target/linux/ath79/dts/ar9342_mikrotik_routerboard-911g.dtsi index 0c98a6634e..3a8c60456f 100644 --- a/target/linux/ath79/dts/ar9342_mikrotik_routerboard-911g.dtsi +++ b/target/linux/ath79/dts/ar9342_mikrotik_routerboard-911g.dtsi @@ -146,10 +146,6 @@ }; }; -&ref { - clock-frequency = <40000000>; -}; - &spi { status = "okay"; diff --git a/target/linux/ath79/dts/ar9342_mikrotik_routerboard-912uag-2hpnd.dts b/target/linux/ath79/dts/ar9342_mikrotik_routerboard-912uag-2hpnd.dts index 81d7284b3d..4cf62349f5 100644 --- a/target/linux/ath79/dts/ar9342_mikrotik_routerboard-912uag-2hpnd.dts +++ b/target/linux/ath79/dts/ar9342_mikrotik_routerboard-912uag-2hpnd.dts @@ -10,6 +10,10 @@ model = "MikroTik RouterBOARD 912UAG-(2,5)HPnD"; }; +&ref { + clock-frequency = <40000000>; +}; + &pcie { status = "okay"; }; |