From: Judith Mendez <jm@ti.com>
To: Tony Lindgren <tony@atomide.com>, Kevin Hilman <khilman@ti.com>
Cc: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, <linux-omap@vger.kernel.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
Sukrut Bellary <sbellary@baylibre.com>, Bin Liu <b-liu@ti.com>
Subject: [PATCH] ARM: dts: ti: am437x-l4: remove autoidle for UART
Date: Fri, 20 Dec 2024 16:35:23 -0600 [thread overview]
Message-ID: <20241220223523.2125278-1-jm@ti.com> (raw)
According to the TRM [0] in 21.5.1.42 UART_SYSC Register,
the autoidle bit should not be set for UART, so remove the
appropriate SYSC_OMAP2_AUTOIDLE flag.
[0] https://www.ti.com/lit/ug/spruhl7i/spruhl7i.pdf
Signed-off-by: Judith Mendez <jm@ti.com>
---
arch/arm/boot/dts/ti/omap/am437x-l4.dtsi | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)
diff --git a/arch/arm/boot/dts/ti/omap/am437x-l4.dtsi b/arch/arm/boot/dts/ti/omap/am437x-l4.dtsi
index 824b9415ebbe9..fd4634f8c6293 100644
--- a/arch/arm/boot/dts/ti/omap/am437x-l4.dtsi
+++ b/arch/arm/boot/dts/ti/omap/am437x-l4.dtsi
@@ -180,8 +180,7 @@ target-module@9000 { /* 0x44e09000, ap 16 04.0 */
<0x9058 0x4>;
reg-names = "rev", "sysc", "syss";
ti,sysc-mask = <(SYSC_OMAP2_ENAWAKEUP |
- SYSC_OMAP2_SOFTRESET |
- SYSC_OMAP2_AUTOIDLE)>;
+ SYSC_OMAP2_SOFTRESET)>;
ti,sysc-sidle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>,
@@ -698,8 +697,7 @@ target-module@22000 { /* 0x48022000, ap 8 0a.0 */
<0x22058 0x4>;
reg-names = "rev", "sysc", "syss";
ti,sysc-mask = <(SYSC_OMAP2_ENAWAKEUP |
- SYSC_OMAP2_SOFTRESET |
- SYSC_OMAP2_AUTOIDLE)>;
+ SYSC_OMAP2_SOFTRESET)>;
ti,sysc-sidle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>,
@@ -726,8 +724,7 @@ target-module@24000 { /* 0x48024000, ap 10 1c.0 */
<0x24058 0x4>;
reg-names = "rev", "sysc", "syss";
ti,sysc-mask = <(SYSC_OMAP2_ENAWAKEUP |
- SYSC_OMAP2_SOFTRESET |
- SYSC_OMAP2_AUTOIDLE)>;
+ SYSC_OMAP2_SOFTRESET)>;
ti,sysc-sidle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>,
@@ -1385,8 +1382,7 @@ target-module@a6000 { /* 0x481a6000, ap 40 16.0 */
<0xa6058 0x4>;
reg-names = "rev", "sysc", "syss";
ti,sysc-mask = <(SYSC_OMAP2_ENAWAKEUP |
- SYSC_OMAP2_SOFTRESET |
- SYSC_OMAP2_AUTOIDLE)>;
+ SYSC_OMAP2_SOFTRESET)>;
ti,sysc-sidle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>,
@@ -1413,8 +1409,7 @@ target-module@a8000 { /* 0x481a8000, ap 42 20.0 */
<0xa8058 0x4>;
reg-names = "rev", "sysc", "syss";
ti,sysc-mask = <(SYSC_OMAP2_ENAWAKEUP |
- SYSC_OMAP2_SOFTRESET |
- SYSC_OMAP2_AUTOIDLE)>;
+ SYSC_OMAP2_SOFTRESET)>;
ti,sysc-sidle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>,
@@ -1441,8 +1436,7 @@ target-module@aa000 { /* 0x481aa000, ap 44 12.0 */
<0xaa058 0x4>;
reg-names = "rev", "sysc", "syss";
ti,sysc-mask = <(SYSC_OMAP2_ENAWAKEUP |
- SYSC_OMAP2_SOFTRESET |
- SYSC_OMAP2_AUTOIDLE)>;
+ SYSC_OMAP2_SOFTRESET)>;
ti,sysc-sidle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>,
--
2.47.1
next reply other threads:[~2024-12-20 22:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-20 22:35 Judith Mendez [this message]
2024-12-21 11:16 ` [PATCH] ARM: dts: ti: am437x-l4: remove autoidle for UART Sukrut Bellary
2025-01-06 23:07 ` Kevin Hilman
2025-01-06 23:45 ` Kevin Hilman
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