From: Judith Mendez <jm@ti.com>
Date: Fri, 20 Dec 2024 22:35:23 +0000 (-0600)
Subject: ARM: dts: ti: am437x-l4: remove autoidle for UART
X-Git-Tag: v6.14-rc1~103^2~16^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3623e1024efc00ca83820e3d78a6dbf3d982d0f2;p=thirdparty%2Fkernel%2Flinux.git

ARM: dts: ti: am437x-l4: remove autoidle for UART

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>
Reviewed-by: Sukrut Bellary <sbellary@baylibre.com>
Link: https://lore.kernel.org/r/20241220223523.2125278-1-jm@ti.com
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
---

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 @@
 			      <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 @@
 			      <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 @@
 			      <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 @@
 			      <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 @@
 			      <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 @@
 			      <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>,