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Message-ID: <1458731208-25333-4-git-send-email-purna.mandal@microchip.com>
Date: Wed, 23 Mar 2016 16:36:48 +0530
From: Purna Chandra Mandal <purna.mandal@...rochip.com>
To: <linux-kernel@...r.kernel.org>
CC: <linux-mips@...ux-mips.org>,
Joshua Henderson <digitalpeer@...italpeer.com>,
Purna Chandra Mandal <purna.mandal@...rochip.com>,
<devicetree@...r.kernel.org>, Kumar Gala <galak@...eaurora.org>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Rob Herring <robh+dt@...nel.org>,
Joshua Henderson <joshua.henderson@...rochip.com>,
Pawel Moll <pawel.moll@....com>,
Sandeep Sheriker <sandeepsheriker.mallikarjun@...rochip.com>,
Ralf Baechle <ralf@...ux-mips.org>,
Mark Rutland <mark.rutland@....com>
Subject: [PATCH v10 3/3] MIPS: dts: pic32: Update dts to reflect new PIC32MZDA clk binding
- now clock nodes definition is merged with core .dtsi file
- only one rootclk is now part of DT
- clock clients also updated based on new binding doc
Signed-off-by: Purna Chandra Mandal <purna.mandal@...rochip.com>
Note: Please pull this complete series through the MIPS tree.
---
Changes in v10: None
Changes in v9: None
Changes in v8: None
Changes in v7:
- now clock nodes definition is merged with core .dtsi file
- only one rootclk is now part of DT
- clock clients also updated based on new binding doc
Changes in v6: None
Changes in v3: None
Changes in v2: None
---
arch/mips/boot/dts/pic32/pic32mzda-clk.dtsi | 236 ----------------------------
arch/mips/boot/dts/pic32/pic32mzda.dtsi | 63 +++++---
arch/mips/boot/dts/pic32/pic32mzda_sk.dts | 5 +-
3 files changed, 45 insertions(+), 259 deletions(-)
delete mode 100644 arch/mips/boot/dts/pic32/pic32mzda-clk.dtsi
diff --git a/arch/mips/boot/dts/pic32/pic32mzda-clk.dtsi b/arch/mips/boot/dts/pic32/pic32mzda-clk.dtsi
deleted file mode 100644
index ef13350..0000000
--- a/arch/mips/boot/dts/pic32/pic32mzda-clk.dtsi
+++ /dev/null
@@ -1,236 +0,0 @@
-/*
- * Device Tree Source for PIC32MZDA clock data
- *
- * Purna Chandra Mandal <purna.mandal@...rochip.com>
- * Copyright (C) 2015 Microchip Technology Inc. All rights reserved.
- *
- * Licensed under GPLv2 or later.
- */
-
-/* all fixed rate clocks */
-
-/ {
- POSC:posc_clk { /* On-chip primary oscillator */
- #clock-cells = <0>;
- compatible = "fixed-clock";
- clock-frequency = <24000000>;
- };
-
- FRC:frc_clk { /* internal FRC oscillator */
- #clock-cells = <0>;
- compatible = "fixed-clock";
- clock-frequency = <8000000>;
- };
-
- BFRC:bfrc_clk { /* internal backup FRC oscillator */
- #clock-cells = <0>;
- compatible = "fixed-clock";
- clock-frequency = <8000000>;
- };
-
- LPRC:lprc_clk { /* internal low-power FRC oscillator */
- #clock-cells = <0>;
- compatible = "fixed-clock";
- clock-frequency = <32000>;
- };
-
- /* UPLL provides clock to USBCORE */
- UPLL:usb_phy_clk {
- #clock-cells = <0>;
- compatible = "fixed-clock";
- clock-frequency = <24000000>;
- clock-output-names = "usbphy_clk";
- };
-
- TxCKI:txcki_clk { /* external clock input on TxCLKI pin */
- #clock-cells = <0>;
- compatible = "fixed-clock";
- clock-frequency = <4000000>;
- status = "disabled";
- };
-
- /* external clock input on REFCLKIx pin */
- REFIx:refix_clk {
- #clock-cells = <0>;
- compatible = "fixed-clock";
- clock-frequency = <24000000>;
- status = "disabled";
- };
-
- /* PIC32 specific clks */
- pic32_clktree {
- #address-cells = <1>;
- #size-cells = <1>;
- reg = <0x1f801200 0x200>;
- compatible = "microchip,pic32mzda-clk";
- ranges = <0 0x1f801200 0x200>;
-
- /* secondary oscillator; external input on SOSCI pin */
- SOSC:sosc_clk@0 {
- #clock-cells = <0>;
- compatible = "microchip,pic32mzda-sosc";
- clock-frequency = <32768>;
- reg = <0x000 0x10>, /* enable reg */
- <0x1d0 0x10>; /* status reg */
- microchip,bit-mask = <0x02>; /* enable mask */
- microchip,status-bit-mask = <0x10>; /* status-mask*/
- };
-
- FRCDIV:frcdiv_clk {
- #clock-cells = <0>;
- compatible = "microchip,pic32mzda-frcdivclk";
- clocks = <&FRC>;
- clock-output-names = "frcdiv_clk";
- };
-
- /* System PLL clock */
- SYSPLL:spll_clk@020 {
- #clock-cells = <0>;
- compatible = "microchip,pic32mzda-syspll";
- reg = <0x020 0x10>, /* SPLL register */
- <0x1d0 0x10>; /* CLKSTAT register */
- clocks = <&POSC>, <&FRC>;
- clock-output-names = "sys_pll";
- microchip,status-bit-mask = <0x80>; /* SPLLRDY */
- };
-
- /* system clock; mux with postdiv & slew */
- SYSCLK:sys_clk@1c0 {
- #clock-cells = <0>;
- compatible = "microchip,pic32mzda-sysclk-v2";
- reg = <0x1c0 0x04>; /* SLEWCON */
- clocks = <&FRCDIV>, <&SYSPLL>, <&POSC>, <&SOSC>,
- <&LPRC>, <&FRCDIV>;
- microchip,clock-indices = <0>, <1>, <2>, <4>,
- <5>, <7>;
- clock-output-names = "sys_clk";
- };
-
- /* Peripheral bus1 clock */
- PBCLK1:pb1_clk@140 {
- reg = <0x140 0x10>;
- #clock-cells = <0>;
- compatible = "microchip,pic32mzda-pbclk";
- clocks = <&SYSCLK>;
- clock-output-names = "pb1_clk";
- /* used by system modules, not gateable */
- microchip,ignore-unused;
- };
-
- /* Peripheral bus2 clock */
- PBCLK2:pb2_clk@150 {
- reg = <0x150 0x10>;
- #clock-cells = <0>;
- compatible = "microchip,pic32mzda-pbclk";
- clocks = <&SYSCLK>;
- clock-output-names = "pb2_clk";
- /* avoid gating even if unused */
- microchip,ignore-unused;
- };
-
- /* Peripheral bus3 clock */
- PBCLK3:pb3_clk@160 {
- reg = <0x160 0x10>;
- #clock-cells = <0>;
- compatible = "microchip,pic32mzda-pbclk";
- clocks = <&SYSCLK>;
- clock-output-names = "pb3_clk";
- };
-
- /* Peripheral bus4 clock(I/O ports, GPIO) */
- PBCLK4:pb4_clk@170 {
- reg = <0x170 0x10>;
- #clock-cells = <0>;
- compatible = "microchip,pic32mzda-pbclk";
- clocks = <&SYSCLK>;
- clock-output-names = "pb4_clk";
- };
-
- /* Peripheral bus clock */
- PBCLK5:pb5_clk@180 {
- reg = <0x180 0x10>;
- #clock-cells = <0>;
- compatible = "microchip,pic32mzda-pbclk";
- clocks = <&SYSCLK>;
- clock-output-names = "pb5_clk";
- };
-
- /* Peripheral Bus6 clock; */
- PBCLK6:pb6_clk@190 {
- reg = <0x190 0x10>;
- compatible = "microchip,pic32mzda-pbclk";
- clocks = <&SYSCLK>;
- #clock-cells = <0>;
- };
-
- /* Peripheral bus7 clock */
- PBCLK7:pb7_clk@1a0 {
- reg = <0x1a0 0x10>;
- #clock-cells = <0>;
- compatible = "microchip,pic32mzda-pbclk";
- /* CPU is driven by this clock; so named */
- clock-output-names = "cpu_clk";
- clocks = <&SYSCLK>;
- };
-
- /* Reference Oscillator clock for SPI/I2S */
- REFCLKO1:refo1_clk@80 {
- reg = <0x080 0x20>;
- #clock-cells = <0>;
- compatible = "microchip,pic32mzda-refoclk";
- clocks = <&SYSCLK>, <&PBCLK1>, <&POSC>, <&FRC>, <&LPRC>,
- <&SOSC>, <&SYSPLL>, <&REFIx>, <&BFRC>;
- microchip,clock-indices = <0>, <1>, <2>, <3>, <4>,
- <5>, <7>, <8>, <9>;
- clock-output-names = "refo1_clk";
- };
-
- /* Reference Oscillator clock for SQI */
- REFCLKO2:refo2_clk@a0 {
- reg = <0x0a0 0x20>;
- #clock-cells = <0>;
- compatible = "microchip,pic32mzda-refoclk";
- clocks = <&SYSCLK>, <&PBCLK1>, <&POSC>, <&FRC>, <&LPRC>,
- <&SOSC>, <&SYSPLL>, <&REFIx>, <&BFRC>;
- microchip,clock-indices = <0>, <1>, <2>, <3>, <4>,
- <5>, <7>, <8>, <9>;
- clock-output-names = "refo2_clk";
- };
-
- /* Reference Oscillator clock, ADC */
- REFCLKO3:refo3_clk@c0 {
- reg = <0x0c0 0x20>;
- compatible = "microchip,pic32mzda-refoclk";
- clocks = <&SYSCLK>, <&PBCLK1>, <&POSC>, <&FRC>, <&LPRC>,
- <&SOSC>, <&SYSPLL>, <&REFIx>, <&BFRC>;
- microchip,clock-indices = <0>, <1>, <2>, <3>, <4>,
- <5>, <7>, <8>, <9>;
- #clock-cells = <0>;
- clock-output-names = "refo3_clk";
- };
-
- /* Reference Oscillator clock */
- REFCLKO4:refo4_clk@e0 {
- reg = <0x0e0 0x20>;
- compatible = "microchip,pic32mzda-refoclk";
- clocks = <&SYSCLK>, <&PBCLK1>, <&POSC>, <&FRC>, <&LPRC>,
- <&SOSC>, <&SYSPLL>, <&REFIx>, <&BFRC>;
- microchip,clock-indices = <0>, <1>, <2>, <3>, <4>,
- <5>, <7>, <8>, <9>;
- #clock-cells = <0>;
- clock-output-names = "refo4_clk";
- };
-
- /* Reference Oscillator clock, LCD */
- REFCLKO5:refo5_clk@100 {
- reg = <0x100 0x20>;
- compatible = "microchip,pic32mzda-refoclk";
- clocks = <&SYSCLK>,<&PBCLK1>,<&POSC>,<&FRC>,<&LPRC>,
- <&SOSC>,<&SYSPLL>,<&REFIx>,<&BFRC>;
- microchip,clock-indices = <0>, <1>, <2>, <3>, <4>,
- <5>, <7>, <8>, <9>;
- #clock-cells = <0>;
- clock-output-names = "refo5_clk";
- };
- };
-};
diff --git a/arch/mips/boot/dts/pic32/pic32mzda.dtsi b/arch/mips/boot/dts/pic32/pic32mzda.dtsi
index ad9e3318..5353a63 100644
--- a/arch/mips/boot/dts/pic32/pic32mzda.dtsi
+++ b/arch/mips/boot/dts/pic32/pic32mzda.dtsi
@@ -6,11 +6,9 @@
* published by the Free Software Foundation.
*
*/
-
+#include <dt-bindings/clock/microchip,pic32-clock.h>
#include <dt-bindings/interrupt-controller/irq.h>
-#include "pic32mzda-clk.dtsi"
-
/ {
#address-cells = <1>;
#size-cells = <1>;
@@ -50,6 +48,29 @@
interrupts = <0 IRQ_TYPE_EDGE_RISING>;
};
+ /* external clock input on TxCLKI pin */
+ txcki: txcki_clk {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <4000000>;
+ status = "disabled";
+ };
+
+ /* external input on REFCLKIx pin */
+ refix: refix_clk {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <24000000>;
+ status = "disabled";
+ };
+
+ rootclk: clock-controller@...01200 {
+ compatible = "microchip,pic32mzda-clk";
+ reg = <0x1f801200 0x200>;
+ #clock-cells = <1>;
+ microchip,pic32mzda-sosc;
+ };
+
evic: interrupt-controller@...10000 {
compatible = "microchip,pic32mzda-evic";
interrupt-controller;
@@ -63,7 +84,7 @@
#size-cells = <1>;
compatible = "microchip,pic32mzda-pinctrl";
reg = <0x1f801400 0x400>;
- clocks = <&PBCLK1>;
+ clocks = <&rootclk PB1CLK>;
};
/* PORTA */
@@ -75,7 +96,7 @@
gpio-controller;
interrupt-controller;
#interrupt-cells = <2>;
- clocks = <&PBCLK4>;
+ clocks = <&rootclk PB4CLK>;
microchip,gpio-bank = <0>;
gpio-ranges = <&pic32_pinctrl 0 0 16>;
};
@@ -89,7 +110,7 @@
gpio-controller;
interrupt-controller;
#interrupt-cells = <2>;
- clocks = <&PBCLK4>;
+ clocks = <&rootclk PB4CLK>;
microchip,gpio-bank = <1>;
gpio-ranges = <&pic32_pinctrl 0 16 16>;
};
@@ -103,7 +124,7 @@
gpio-controller;
interrupt-controller;
#interrupt-cells = <2>;
- clocks = <&PBCLK4>;
+ clocks = <&rootclk PB4CLK>;
microchip,gpio-bank = <2>;
gpio-ranges = <&pic32_pinctrl 0 32 16>;
};
@@ -117,7 +138,7 @@
gpio-controller;
interrupt-controller;
#interrupt-cells = <2>;
- clocks = <&PBCLK4>;
+ clocks = <&rootclk PB4CLK>;
microchip,gpio-bank = <3>;
gpio-ranges = <&pic32_pinctrl 0 48 16>;
};
@@ -131,7 +152,7 @@
gpio-controller;
interrupt-controller;
#interrupt-cells = <2>;
- clocks = <&PBCLK4>;
+ clocks = <&rootclk PB4CLK>;
microchip,gpio-bank = <4>;
gpio-ranges = <&pic32_pinctrl 0 64 16>;
};
@@ -145,7 +166,7 @@
gpio-controller;
interrupt-controller;
#interrupt-cells = <2>;
- clocks = <&PBCLK4>;
+ clocks = <&rootclk PB4CLK>;
microchip,gpio-bank = <5>;
gpio-ranges = <&pic32_pinctrl 0 80 16>;
};
@@ -159,7 +180,7 @@
gpio-controller;
interrupt-controller;
#interrupt-cells = <2>;
- clocks = <&PBCLK4>;
+ clocks = <&rootclk PB4CLK>;
microchip,gpio-bank = <6>;
gpio-ranges = <&pic32_pinctrl 0 96 16>;
};
@@ -173,7 +194,7 @@
gpio-controller;
interrupt-controller;
#interrupt-cells = <2>;
- clocks = <&PBCLK4>;
+ clocks = <&rootclk PB4CLK>;
microchip,gpio-bank = <7>;
gpio-ranges = <&pic32_pinctrl 0 112 16>;
};
@@ -189,7 +210,7 @@
gpio-controller;
interrupt-controller;
#interrupt-cells = <2>;
- clocks = <&PBCLK4>;
+ clocks = <&rootclk PB4CLK>;
microchip,gpio-bank = <8>;
gpio-ranges = <&pic32_pinctrl 0 128 16>;
};
@@ -203,7 +224,7 @@
gpio-controller;
interrupt-controller;
#interrupt-cells = <2>;
- clocks = <&PBCLK4>;
+ clocks = <&rootclk PB4CLK>;
microchip,gpio-bank = <9>;
gpio-ranges = <&pic32_pinctrl 0 144 16>;
};
@@ -212,7 +233,7 @@
compatible = "microchip,pic32mzda-sdhci";
reg = <0x1f8ec000 0x100>;
interrupts = <191 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&REFCLKO4>, <&PBCLK5>;
+ clocks = <&rootclk REF4CLK>, <&rootclk PB5CLK>;
clock-names = "base_clk", "sys_clk";
bus-width = <4>;
cap-sd-highspeed;
@@ -225,7 +246,7 @@
interrupts = <112 IRQ_TYPE_LEVEL_HIGH>,
<113 IRQ_TYPE_LEVEL_HIGH>,
<114 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&PBCLK2>;
+ clocks = <&rootclk PB2CLK>;
status = "disabled";
};
@@ -235,7 +256,7 @@
interrupts = <145 IRQ_TYPE_LEVEL_HIGH>,
<146 IRQ_TYPE_LEVEL_HIGH>,
<147 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&PBCLK2>;
+ clocks = <&rootclk PB2CLK>;
status = "disabled";
};
@@ -245,7 +266,7 @@
interrupts = <157 IRQ_TYPE_LEVEL_HIGH>,
<158 IRQ_TYPE_LEVEL_HIGH>,
<159 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&PBCLK2>;
+ clocks = <&rootclk PB2CLK>;
status = "disabled";
};
@@ -255,7 +276,7 @@
interrupts = <170 IRQ_TYPE_LEVEL_HIGH>,
<171 IRQ_TYPE_LEVEL_HIGH>,
<172 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&PBCLK2>;
+ clocks = <&rootclk PB2CLK>;
status = "disabled";
};
@@ -265,7 +286,7 @@
interrupts = <179 IRQ_TYPE_LEVEL_HIGH>,
<180 IRQ_TYPE_LEVEL_HIGH>,
<181 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&PBCLK2>;
+ clocks = <&rootclk PB2CLK>;
status = "disabled";
};
@@ -275,7 +296,7 @@
interrupts = <188 IRQ_TYPE_LEVEL_HIGH>,
<189 IRQ_TYPE_LEVEL_HIGH>,
<190 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&PBCLK2>;
+ clocks = <&rootclk PB2CLK>;
status = "disabled";
};
};
diff --git a/arch/mips/boot/dts/pic32/pic32mzda_sk.dts b/arch/mips/boot/dts/pic32/pic32mzda_sk.dts
index 5d434a5..fc74010 100644
--- a/arch/mips/boot/dts/pic32/pic32mzda_sk.dts
+++ b/arch/mips/boot/dts/pic32/pic32mzda_sk.dts
@@ -95,8 +95,9 @@
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sdhc1>;
status = "okay";
- assigned-clocks = <&REFCLKO2>,<&REFCLKO4>,<&REFCLKO5>;
- assigned-clock-rates = <50000000>,<25000000>,<40000000>;
+ assigned-clocks = <&rootclk REF2CLK>, <&rootclk REF4CLK>,
+ <&rootclk REF5CLK>;
+ assigned-clock-rates = <50000000>, <25000000>, <40000000>;
};
&pic32_pinctrl {
--
1.8.3.1
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