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* [PATCH 6.6 v2 1/4] riscv: dts: starfive: add assigned-clock* to limit frquency
@ 2024-09-12  2:55 WangYuli
  2024-09-13 12:42 ` Greg KH
  2024-09-13 14:56 ` Christophe JAILLET
  0 siblings, 2 replies; 5+ messages in thread
From: WangYuli @ 2024-09-12  2:55 UTC (permalink / raw)
  To: stable, gregkh, sashal, william.qiu, emil.renner.berthing,
	conor.dooley, wangyuli, xingyu.wu, walker.chen, robh, hal.feng
  Cc: kernel, robh+dt, krzysztof.kozlowski+dt, conor+dt, paul.walmsley,
	palmer, aou, devicetree, linux-riscv, linux-kernel,
	richardcochran, netdev

From: William Qiu <william.qiu@starfivetech.com>

[ Upstream commit af571133f7ae028ec9b5fdab78f483af13bf28d3 ]

In JH7110 SoC, we need to go by-pass mode, so we need add the
assigned-clock* properties to limit clock frquency.

Signed-off-by: William Qiu <william.qiu@starfivetech.com>
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: WangYuli <wangyuli@uniontech.com>
---
 .../riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
index 062b97c6e7df..4874e3bb42ab 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
@@ -204,6 +204,8 @@ &i2c6 {
 
 &mmc0 {
 	max-frequency = <100000000>;
+	assigned-clocks = <&syscrg JH7110_SYSCLK_SDIO0_SDCARD>;
+	assigned-clock-rates = <50000000>;
 	bus-width = <8>;
 	cap-mmc-highspeed;
 	mmc-ddr-1_8v;
@@ -220,6 +222,8 @@ &mmc0 {
 
 &mmc1 {
 	max-frequency = <100000000>;
+	assigned-clocks = <&syscrg JH7110_SYSCLK_SDIO1_SDCARD>;
+	assigned-clock-rates = <50000000>;
 	bus-width = <4>;
 	no-sdio;
 	no-mmc;
-- 
2.43.4


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2024-09-12  2:55 [PATCH 6.6 v2 1/4] riscv: dts: starfive: add assigned-clock* to limit frquency WangYuli
2024-09-13 12:42 ` Greg KH
2024-09-16  3:49   ` WangYuli
2024-09-13 14:56 ` Christophe JAILLET
2024-09-16  3:56   ` WangYuli

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