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* [PATCH 1/2] ARM: dts: am335x-myirtech: Add an external clock oscillator for CPU RTC
@ 2022-04-27  8:19 Alexander Shiyan
  2022-04-27  8:19 ` [PATCH 2/2] ARM: dts: am335x-myirtech: Update NAND default partition table layout Alexander Shiyan
  2022-05-03  6:27 ` [PATCH 1/2] ARM: dts: am335x-myirtech: Add an external clock oscillator for CPU RTC Tony Lindgren
  0 siblings, 2 replies; 3+ messages in thread
From: Alexander Shiyan @ 2022-04-27  8:19 UTC (permalink / raw)
  To: linux-omap
  Cc: devicetree, Benoît Cousson, Krzysztof Kozlowski,
	Alexander Shiyan

The CPU RTC has an external crystal, so to keep time, let's define
it for devicetree.

Signed-off-by: Alexander Shiyan <eagle.alexander923@gmail.com>
---
 arch/arm/boot/dts/am335x-myirtech-myc.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/am335x-myirtech-myc.dtsi b/arch/arm/boot/dts/am335x-myirtech-myc.dtsi
index 245c35f41cdf..d94e096983c7 100644
--- a/arch/arm/boot/dts/am335x-myirtech-myc.dtsi
+++ b/arch/arm/boot/dts/am335x-myirtech-myc.dtsi
@@ -27,6 +27,13 @@ memory@80000000 {
 		reg = <0x80000000 0x10000000>;
 	};
 
+	clk32k: clk32k {
+		compatible = "fixed-clock";
+		clock-frequency = <32768>;
+
+		#clock-cells = <0>;
+	};
+
 	vdd_mod: vdd_mod_reg {
 		compatible = "regulator-fixed";
 		regulator-name = "vdd-mod";
@@ -149,6 +156,8 @@ eeprom: eeprom@50 {
 };
 
 &rtc {
+	clocks = <&clk32k>;
+	clock-names = "ext-clk";
 	system-power-controller;
 };
 
-- 
2.32.0


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [PATCH 2/2] ARM: dts: am335x-myirtech: Update NAND default partition table layout
  2022-04-27  8:19 [PATCH 1/2] ARM: dts: am335x-myirtech: Add an external clock oscillator for CPU RTC Alexander Shiyan
@ 2022-04-27  8:19 ` Alexander Shiyan
  2022-05-03  6:27 ` [PATCH 1/2] ARM: dts: am335x-myirtech: Add an external clock oscillator for CPU RTC Tony Lindgren
  1 sibling, 0 replies; 3+ messages in thread
From: Alexander Shiyan @ 2022-04-27  8:19 UTC (permalink / raw)
  To: linux-omap
  Cc: devicetree, Benoît Cousson, Krzysztof Kozlowski,
	Alexander Shiyan

This patch replaces the legacy partition table layout with a modern style.
As an additional change, we are reserving space for three backup MLO entries
and increasing space for the main bootloader.

Signed-off-by: Alexander Shiyan <eagle.alexander923@gmail.com>
---
 arch/arm/boot/dts/am335x-myirtech-myc.dtsi |  3 ---
 arch/arm/boot/dts/am335x-myirtech-myd.dts  | 20 +++++++++++++-------
 2 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/arch/arm/boot/dts/am335x-myirtech-myc.dtsi b/arch/arm/boot/dts/am335x-myirtech-myc.dtsi
index d94e096983c7..6eea18b29355 100644
--- a/arch/arm/boot/dts/am335x-myirtech-myc.dtsi
+++ b/arch/arm/boot/dts/am335x-myirtech-myc.dtsi
@@ -131,9 +131,6 @@ nand0: nand@0,0 {
 		gpmc,wr-data-mux-bus-ns = <0>;
 		ti,elm-id = <&elm>;
 		ti,nand-ecc-opt = "bch8";
-
-		#address-cells = <1>;
-		#size-cells = <1>;
 	};
 };
 
diff --git a/arch/arm/boot/dts/am335x-myirtech-myd.dts b/arch/arm/boot/dts/am335x-myirtech-myd.dts
index 1479fd95dec2..9d81d4cc6890 100644
--- a/arch/arm/boot/dts/am335x-myirtech-myd.dts
+++ b/arch/arm/boot/dts/am335x-myirtech-myd.dts
@@ -227,14 +227,20 @@ &mmc1 {
 };
 
 &nand0 {
-	partition@0 {
-		label = "MLO";
-		reg = <0x00000 0x20000>;
-	};
+	nand_parts: partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
 
-	partition@20000 {
-		label = "boot";
-		reg = <0x20000 0x80000>;
+		partition@0 {
+			label = "MLO";
+			reg = <0x00000 0x20000>;
+		};
+
+		partition@80000 {
+			label = "boot";
+			reg = <0x80000 0x100000>;
+		};
 	};
 };
 
-- 
2.32.0


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH 1/2] ARM: dts: am335x-myirtech: Add an external clock oscillator for CPU RTC
  2022-04-27  8:19 [PATCH 1/2] ARM: dts: am335x-myirtech: Add an external clock oscillator for CPU RTC Alexander Shiyan
  2022-04-27  8:19 ` [PATCH 2/2] ARM: dts: am335x-myirtech: Update NAND default partition table layout Alexander Shiyan
@ 2022-05-03  6:27 ` Tony Lindgren
  1 sibling, 0 replies; 3+ messages in thread
From: Tony Lindgren @ 2022-05-03  6:27 UTC (permalink / raw)
  To: Alexander Shiyan
  Cc: linux-omap, devicetree, Benoît Cousson, Krzysztof Kozlowski

* Alexander Shiyan <eagle.alexander923@gmail.com> [220427 11:16]:
> The CPU RTC has an external crystal, so to keep time, let's define
> it for devicetree.

I've applied both patches into omap-for-v5.19/dt thanks.

Tony

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2022-05-03  6:27 UTC | newest]

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2022-04-27  8:19 [PATCH 1/2] ARM: dts: am335x-myirtech: Add an external clock oscillator for CPU RTC Alexander Shiyan
2022-04-27  8:19 ` [PATCH 2/2] ARM: dts: am335x-myirtech: Update NAND default partition table layout Alexander Shiyan
2022-05-03  6:27 ` [PATCH 1/2] ARM: dts: am335x-myirtech: Add an external clock oscillator for CPU RTC Tony Lindgren

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