diff mbox

[01/16] arm: dts: add clock controller device nodes

Message ID 1485170975-51813-2-git-send-email-john@phrozen.org (mailing list archive)
State New, archived
Headers show

Commit Message

John Crispin Jan. 23, 2017, 11:29 a.m. UTC
Add clock controller nodes for MT7623, including topckgen, infracfg,
pericfg and apmixedsys. This patch also cleans up two oscillators that
provide clocks for MT7623. Switch the uart clocks to the real ones while
at it.

Signed-off-by: John Crispin <john@phrozen.org>
---
 arch/arm/boot/dts/mt7623.dtsi |   60 ++++++++++++++++++++++++++++++++++-------
 1 file changed, 51 insertions(+), 9 deletions(-)

Comments

Sean Wang March 22, 2017, 8:04 a.m. UTC | #1
From: Sean Wang <sean.wang@mediatek.com>

Hi John,

Some nitpicking below.

>Add clock controller nodes for MT7623, including topckgen, infracfg, pericfg and apmixedsys. This patch 
>also cleans up two oscillators that provide clocks for MT7623. Switch the uart clocks to the real ones 
>while at it.
>
>Signed-off-by: John Crispin <john@phrozen.org>
>---
> arch/arm/boot/dts/mt7623.dtsi |   60 ++++++++++++++++++++++++++++++++++-------
> 1 file changed, 51 insertions(+), 9 deletions(-)
>
>diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi index fd2b614..592fc0a 
>100644
>--- a/arch/arm/boot/dts/mt7623.dtsi
>+++ b/arch/arm/boot/dts/mt7623.dtsi
>@@ -14,6 +14,8 @@
> 
> #include <dt-bindings/interrupt-controller/irq.h>
> #include <dt-bindings/interrupt-controller/arm-gic.h>
>+#include <dt-bindings/clock/mt2701-clk.h> #include 
>+<dt-bindings/reset/mt2701-resets.h>
> #include "skeleton64.dtsi"
> 
> / {
>@@ -53,16 +55,18 @@
> 		#clock-cells = <0>;
> 	};
> 
>-	rtc_clk: dummy32k {
>+	rtc32k: oscillator@1 {
> 		compatible = "fixed-clock";
>-		clock-frequency = <32000>;
> 		#clock-cells = <0>;
>+		clock-frequency = <32000>;
>+		clock-output-names = "rtc32k";
> 	};
> 
>-	uart_clk: dummy26m {
>+	clk26m: oscillator@0 {
> 		compatible = "fixed-clock";
>-		clock-frequency = <26000000>;
> 		#clock-cells = <0>;
>+		clock-frequency = <26000000>;
>+		clock-output-names = "clk26m";
> 	};
> 
> 	timer {
>@@ -74,6 +78,32 @@
> 			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
> 	};
> 
>+	topckgen: syscon@10000000 {
>+		compatible = "mediatek,mt7623-topckgen",
>+			     "mediatek,mt2701-topckgen",
>+			     "syscon";
>+		reg = <0 0x10000000 0 0x1000>;
>+		#clock-cells = <1>;
>+	};
>+
>+	infracfg: syscon@10001000 {
>+		compatible = "mediatek,mt2701-infracfg",
>+			     "mediatek,mt7623-infracfg",

the order should be 
		compatible =  "mediatek,mt7623-pericfg",
			      "mediatek,mt2701-pericfg"
?

>+			     "syscon";
>+		reg = <0 0x10001000 0 0x1000>;
>+		#clock-cells = <1>;
>+		#reset-cells = <1>;
>+	};
>+
>+	pericfg: syscon@10003000 {
>+		compatible =  "mediatek,mt7623-pericfg",
>+			      "mediatek,mt2701-pericfg",
>+			      "syscon";
>+		reg = <0 0x10003000 0 0x1000>;
>+		#clock-cells = <1>;
>+		#reset-cells = <1>;
>+	};
>+
> 	watchdog: watchdog@10007000 {
> 		compatible = "mediatek,mt7623-wdt",
> 			     "mediatek,mt6589-wdt";
>@@ -85,7 +115,7 @@
> 			     "mediatek,mt6577-timer";
> 		reg = <0 0x10008000 0 0x80>;
> 		interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_LOW>;
>-		clocks = <&system_clk>, <&rtc_clk>;
>+		clocks = <&system_clk>, <&rtc32k>;
> 		clock-names = "system-clk", "rtc-clk";
> 	};
> 
>@@ -98,6 +128,14 @@
> 		reg = <0 0x10200100 0 0x1c>;
> 	};
> 
>+	apmixedsys: syscon@10209000 {
>+		compatible = "mediatek,mt2701-apmixedsys",
>+			     "mediatek,mt2701-apmixedsys",

duplicated items which seems wrong to type

>+			     "syscon";
>+		reg = <0 0x10209000 0 0x1000>;
>+		#clock-cells = <1>;
>+	};
>+
> 	gic: interrupt-controller@10211000 {
> 		compatible = "arm,cortex-a7-gic";
> 		interrupt-controller;
>@@ -114,7 +152,8 @@
> 			     "mediatek,mt6577-uart";
> 		reg = <0 0x11002000 0 0x400>;
> 		interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_LOW>;
>-		clocks = <&uart_clk>;
>+		clocks = <&pericfg CLK_PERI_UART0_SEL>, <&pericfg CLK_PERI_UART0>;
>+		clock-names = "baud", "bus";
> 		status = "disabled";
> 	};
> 
>@@ -123,7 +162,8 @@
> 			     "mediatek,mt6577-uart";
> 		reg = <0 0x11003000 0 0x400>;
> 		interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_LOW>;
>-		clocks = <&uart_clk>;
>+		clocks = <&pericfg CLK_PERI_UART1_SEL>, <&pericfg CLK_PERI_UART1>;
>+		clock-names = "baud", "bus";
> 		status = "disabled";
> 	};
> 
>@@ -132,7 +172,8 @@
> 			     "mediatek,mt6577-uart";
> 		reg = <0 0x11004000 0 0x400>;
> 		interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_LOW>;
>-		clocks = <&uart_clk>;
>+		clocks = <&pericfg CLK_PERI_UART2_SEL>, <&pericfg CLK_PERI_UART2>;
>+		clock-names = "baud", "bus";
> 		status = "disabled";
> 	};
> 
>@@ -141,7 +182,8 @@
> 			     "mediatek,mt6577-uart";
> 		reg = <0 0x11005000 0 0x400>;
> 		interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_LOW>;
>-		clocks = <&uart_clk>;
>+		clocks = <&pericfg CLK_PERI_UART3_SEL>, <&pericfg CLK_PERI_UART3>;
>+		clock-names = "baud", "bus";
> 		status = "disabled";
> 	};
>};
--
1.7.10.4
Sean Wang March 22, 2017, 8:16 a.m. UTC | #2
From: Sean Wang <sean.wang@mediatek.com>

Hi John,

Some nitpicking below.

>Add clock controller nodes for MT7623, including topckgen, infracfg, pericfg and apmixedsys. This patch 
>also cleans up two oscillators that provide clocks for MT7623. Switch the uart clocks to the real ones 
>while at it.
>
>Signed-off-by: John Crispin <john@phrozen.org>
>---
> arch/arm/boot/dts/mt7623.dtsi |   60 ++++++++++++++++++++++++++++++++++-------
> 1 file changed, 51 insertions(+), 9 deletions(-)
>
>diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi index fd2b614..592fc0a 
>100644
>--- a/arch/arm/boot/dts/mt7623.dtsi
>+++ b/arch/arm/boot/dts/mt7623.dtsi
>@@ -14,6 +14,8 @@
> 
> #include <dt-bindings/interrupt-controller/irq.h>
> #include <dt-bindings/interrupt-controller/arm-gic.h>
>+#include <dt-bindings/clock/mt2701-clk.h> #include 
>+<dt-bindings/reset/mt2701-resets.h>
> #include "skeleton64.dtsi"
> 
> / {
>@@ -53,16 +55,18 @@
> 		#clock-cells = <0>;
> 	};
> 
>-	rtc_clk: dummy32k {
>+	rtc32k: oscillator@1 {
> 		compatible = "fixed-clock";
>-		clock-frequency = <32000>;
> 		#clock-cells = <0>;
>+		clock-frequency = <32000>;
>+		clock-output-names = "rtc32k";
> 	};
> 
>-	uart_clk: dummy26m {
>+	clk26m: oscillator@0 {
> 		compatible = "fixed-clock";
>-		clock-frequency = <26000000>;
> 		#clock-cells = <0>;
>+		clock-frequency = <26000000>;
>+		clock-output-names = "clk26m";
> 	};
> 
> 	timer {
>@@ -74,6 +78,32 @@
> 			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
> 	};
> 
>+	topckgen: syscon@10000000 {
>+		compatible = "mediatek,mt7623-topckgen",
>+			     "mediatek,mt2701-topckgen",
>+			     "syscon";
>+		reg = <0 0x10000000 0 0x1000>;
>+		#clock-cells = <1>;
>+	};
>+
>+	infracfg: syscon@10001000 {
>+		compatible = "mediatek,mt2701-infracfg",
>+			     "mediatek,mt7623-infracfg",

the order should be 
		compatible =  "mediatek,mt7623-pericfg",
			      "mediatek,mt2701-pericfg"
?

>+			     "syscon";
>+		reg = <0 0x10001000 0 0x1000>;
>+		#clock-cells = <1>;
>+		#reset-cells = <1>;
>+	};
>+
>+	pericfg: syscon@10003000 {
>+		compatible =  "mediatek,mt7623-pericfg",
>+			      "mediatek,mt2701-pericfg",
>+			      "syscon";
>+		reg = <0 0x10003000 0 0x1000>;
>+		#clock-cells = <1>;
>+		#reset-cells = <1>;
>+	};
>+
> 	watchdog: watchdog@10007000 {
> 		compatible = "mediatek,mt7623-wdt",
> 			     "mediatek,mt6589-wdt";
>@@ -85,7 +115,7 @@
> 			     "mediatek,mt6577-timer";
> 		reg = <0 0x10008000 0 0x80>;
> 		interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_LOW>;
>-		clocks = <&system_clk>, <&rtc_clk>;
>+		clocks = <&system_clk>, <&rtc32k>;
> 		clock-names = "system-clk", "rtc-clk";
> 	};
> 
>@@ -98,6 +128,14 @@
> 		reg = <0 0x10200100 0 0x1c>;
> 	};
> 
>+	apmixedsys: syscon@10209000 {
>+		compatible = "mediatek,mt2701-apmixedsys",
>+			     "mediatek,mt2701-apmixedsys",

duplicated items which seems wrong to type

>+			     "syscon";
>+		reg = <0 0x10209000 0 0x1000>;
>+		#clock-cells = <1>;
>+	};
>+
> 	gic: interrupt-controller@10211000 {
> 		compatible = "arm,cortex-a7-gic";
> 		interrupt-controller;
>@@ -114,7 +152,8 @@
> 			     "mediatek,mt6577-uart";
> 		reg = <0 0x11002000 0 0x400>;
> 		interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_LOW>;
>-		clocks = <&uart_clk>;
>+		clocks = <&pericfg CLK_PERI_UART0_SEL>, <&pericfg CLK_PERI_UART0>;
>+		clock-names = "baud", "bus";
> 		status = "disabled";
> 	};
> 
>@@ -123,7 +162,8 @@
> 			     "mediatek,mt6577-uart";
> 		reg = <0 0x11003000 0 0x400>;
> 		interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_LOW>;
>-		clocks = <&uart_clk>;
>+		clocks = <&pericfg CLK_PERI_UART1_SEL>, <&pericfg CLK_PERI_UART1>;
>+		clock-names = "baud", "bus";
> 		status = "disabled";
> 	};
> 
>@@ -132,7 +172,8 @@
> 			     "mediatek,mt6577-uart";
> 		reg = <0 0x11004000 0 0x400>;
> 		interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_LOW>;
>-		clocks = <&uart_clk>;
>+		clocks = <&pericfg CLK_PERI_UART2_SEL>, <&pericfg CLK_PERI_UART2>;
>+		clock-names = "baud", "bus";
> 		status = "disabled";
> 	};
> 
>@@ -141,7 +182,8 @@
> 			     "mediatek,mt6577-uart";
> 		reg = <0 0x11005000 0 0x400>;
> 		interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_LOW>;
>-		clocks = <&uart_clk>;
>+		clocks = <&pericfg CLK_PERI_UART3_SEL>, <&pericfg CLK_PERI_UART3>;
>+		clock-names = "baud", "bus";
> 		status = "disabled";
> 	};
>};
--
1.7.10.4
diff mbox

Patch

diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi
index fd2b614..592fc0a 100644
--- a/arch/arm/boot/dts/mt7623.dtsi
+++ b/arch/arm/boot/dts/mt7623.dtsi
@@ -14,6 +14,8 @@ 
 
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/mt2701-clk.h>
+#include <dt-bindings/reset/mt2701-resets.h>
 #include "skeleton64.dtsi"
 
 / {
@@ -53,16 +55,18 @@ 
 		#clock-cells = <0>;
 	};
 
-	rtc_clk: dummy32k {
+	rtc32k: oscillator@1 {
 		compatible = "fixed-clock";
-		clock-frequency = <32000>;
 		#clock-cells = <0>;
+		clock-frequency = <32000>;
+		clock-output-names = "rtc32k";
 	};
 
-	uart_clk: dummy26m {
+	clk26m: oscillator@0 {
 		compatible = "fixed-clock";
-		clock-frequency = <26000000>;
 		#clock-cells = <0>;
+		clock-frequency = <26000000>;
+		clock-output-names = "clk26m";
 	};
 
 	timer {
@@ -74,6 +78,32 @@ 
 			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
 	};
 
+	topckgen: syscon@10000000 {
+		compatible = "mediatek,mt7623-topckgen",
+			     "mediatek,mt2701-topckgen",
+			     "syscon";
+		reg = <0 0x10000000 0 0x1000>;
+		#clock-cells = <1>;
+	};
+
+	infracfg: syscon@10001000 {
+		compatible = "mediatek,mt2701-infracfg",
+			     "mediatek,mt7623-infracfg",
+			     "syscon";
+		reg = <0 0x10001000 0 0x1000>;
+		#clock-cells = <1>;
+		#reset-cells = <1>;
+	};
+
+	pericfg: syscon@10003000 {
+		compatible =  "mediatek,mt7623-pericfg",
+			      "mediatek,mt2701-pericfg",
+			      "syscon";
+		reg = <0 0x10003000 0 0x1000>;
+		#clock-cells = <1>;
+		#reset-cells = <1>;
+	};
+
 	watchdog: watchdog@10007000 {
 		compatible = "mediatek,mt7623-wdt",
 			     "mediatek,mt6589-wdt";
@@ -85,7 +115,7 @@ 
 			     "mediatek,mt6577-timer";
 		reg = <0 0x10008000 0 0x80>;
 		interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_LOW>;
-		clocks = <&system_clk>, <&rtc_clk>;
+		clocks = <&system_clk>, <&rtc32k>;
 		clock-names = "system-clk", "rtc-clk";
 	};
 
@@ -98,6 +128,14 @@ 
 		reg = <0 0x10200100 0 0x1c>;
 	};
 
+	apmixedsys: syscon@10209000 {
+		compatible = "mediatek,mt2701-apmixedsys",
+			     "mediatek,mt2701-apmixedsys",
+			     "syscon";
+		reg = <0 0x10209000 0 0x1000>;
+		#clock-cells = <1>;
+	};
+
 	gic: interrupt-controller@10211000 {
 		compatible = "arm,cortex-a7-gic";
 		interrupt-controller;
@@ -114,7 +152,8 @@ 
 			     "mediatek,mt6577-uart";
 		reg = <0 0x11002000 0 0x400>;
 		interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_LOW>;
-		clocks = <&uart_clk>;
+		clocks = <&pericfg CLK_PERI_UART0_SEL>, <&pericfg CLK_PERI_UART0>;
+		clock-names = "baud", "bus";
 		status = "disabled";
 	};
 
@@ -123,7 +162,8 @@ 
 			     "mediatek,mt6577-uart";
 		reg = <0 0x11003000 0 0x400>;
 		interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_LOW>;
-		clocks = <&uart_clk>;
+		clocks = <&pericfg CLK_PERI_UART1_SEL>, <&pericfg CLK_PERI_UART1>;
+		clock-names = "baud", "bus";
 		status = "disabled";
 	};
 
@@ -132,7 +172,8 @@ 
 			     "mediatek,mt6577-uart";
 		reg = <0 0x11004000 0 0x400>;
 		interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_LOW>;
-		clocks = <&uart_clk>;
+		clocks = <&pericfg CLK_PERI_UART2_SEL>, <&pericfg CLK_PERI_UART2>;
+		clock-names = "baud", "bus";
 		status = "disabled";
 	};
 
@@ -141,7 +182,8 @@ 
 			     "mediatek,mt6577-uart";
 		reg = <0 0x11005000 0 0x400>;
 		interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_LOW>;
-		clocks = <&uart_clk>;
+		clocks = <&pericfg CLK_PERI_UART3_SEL>, <&pericfg CLK_PERI_UART3>;
+		clock-names = "baud", "bus";
 		status = "disabled";
 	};
 };