From 86feafebbec2b510daf36ffbdbe10228ed890b00 Mon Sep 17 00:00:00 2001 From: Andrzej Hajda Date: Wed, 26 Feb 2014 09:53:31 +0900 Subject: [PATCH] ARM: dts: use macros in clock bindings for exynos5440 The patch replaces magic numbers with macros defined in DT header in exynos5440 clock bindings. Signed-off-by: Andrzej Hajda Signed-off-by: Kyungmin Park Acked-by: Tomasz Figa Acked-by: Mike Turquette Signed-off-by: Kukjin Kim --- .../bindings/clock/exynos5440-clock.txt | 45 +++---------------- arch/arm/boot/dts/exynos5440.dtsi | 33 +++++++------- 2 files changed, 23 insertions(+), 55 deletions(-) diff --git a/Documentation/devicetree/bindings/clock/exynos5440-clock.txt b/Documentation/devicetree/bindings/clock/exynos5440-clock.txt index 9955dc9c7d96..5f7005f73058 100644 --- a/Documentation/devicetree/bindings/clock/exynos5440-clock.txt +++ b/Documentation/devicetree/bindings/clock/exynos5440-clock.txt @@ -12,45 +12,12 @@ Required Properties: - #clock-cells: should be 1. -The following is the list of clocks generated by the controller. Each clock is -assigned an identifier and client nodes use this identifier to specify the -clock which they consume. - - - [Core Clocks] - - Clock ID - ---------------------------- - - xtal 1 - arm_clk 2 - - [Peripheral Clock Gates] - - Clock ID - ---------------------------- - - spi_baud 16 - pb0_250 17 - pr0_250 18 - pr1_250 19 - b_250 20 - b_125 21 - b_200 22 - sata 23 - usb 24 - gmac0 25 - cs250 26 - pb0_250_o 27 - pr0_250_o 28 - pr1_250_o 29 - b_250_o 30 - b_125_o 31 - b_200_o 32 - sata_o 33 - usb_o 34 - gmac0_o 35 - cs250_o 36 +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. + +All available clocks are defined as preprocessor macros in +dt-bindings/clock/exynos5440.h header and can be used in device +tree sources. Example: An example of a clock controller node is listed below. diff --git a/arch/arm/boot/dts/exynos5440.dtsi b/arch/arm/boot/dts/exynos5440.dtsi index 02a0a1226cef..75c7b89cec2f 100644 --- a/arch/arm/boot/dts/exynos5440.dtsi +++ b/arch/arm/boot/dts/exynos5440.dtsi @@ -9,6 +9,7 @@ * published by the Free Software Foundation. */ +#include #include "skeleton.dtsi" / { @@ -105,7 +106,7 @@ compatible = "samsung,exynos4210-uart"; reg = <0xB0000 0x1000>; interrupts = <0 2 0>; - clocks = <&clock 21>, <&clock 21>; + clocks = <&clock CLK_B_125>, <&clock CLK_B_125>; clock-names = "uart", "clk_uart_baud0"; }; @@ -113,7 +114,7 @@ compatible = "samsung,exynos4210-uart"; reg = <0xC0000 0x1000>; interrupts = <0 3 0>; - clocks = <&clock 21>, <&clock 21>; + clocks = <&clock CLK_B_125>, <&clock CLK_B_125>; clock-names = "uart", "clk_uart_baud0"; }; @@ -125,7 +126,7 @@ #size-cells = <0>; samsung,spi-src-clk = <0>; num-cs = <1>; - clocks = <&clock 21>, <&clock 16>; + clocks = <&clock CLK_B_125>, <&clock CLK_SPI_BAUD>; clock-names = "spi", "spi_busclk0"; }; @@ -161,7 +162,7 @@ interrupts = <0 5 0>; #address-cells = <1>; #size-cells = <0>; - clocks = <&clock 21>; + clocks = <&clock CLK_B_125>; clock-names = "i2c"; }; @@ -171,7 +172,7 @@ interrupts = <0 6 0>; #address-cells = <1>; #size-cells = <0>; - clocks = <&clock 21>; + clocks = <&clock CLK_B_125>; clock-names = "i2c"; }; @@ -179,7 +180,7 @@ compatible = "samsung,s3c2410-wdt"; reg = <0x110000 0x1000>; interrupts = <0 1 0>; - clocks = <&clock 21>; + clocks = <&clock CLK_B_125>; clock-names = "watchdog"; }; @@ -190,7 +191,7 @@ interrupts = <0 31 4>; interrupt-names = "macirq"; phy-mode = "sgmii"; - clocks = <&clock 25>; + clocks = <&clock CLK_GMAC0>; clock-names = "stmmaceth"; }; @@ -206,7 +207,7 @@ compatible = "samsung,s3c6410-rtc"; reg = <0x130000 0x1000>; interrupts = <0 17 0>, <0 16 0>; - clocks = <&clock 21>; + clocks = <&clock CLK_B_125>; clock-names = "rtc"; }; @@ -214,7 +215,7 @@ compatible = "samsung,exynos5440-tmu"; reg = <0x160118 0x230>, <0x160368 0x10>; interrupts = <0 58 0>; - clocks = <&clock 21>; + clocks = <&clock CLK_B_125>; clock-names = "tmu_apbif"; }; @@ -222,7 +223,7 @@ compatible = "samsung,exynos5440-tmu"; reg = <0x16011C 0x230>, <0x160368 0x10>; interrupts = <0 58 0>; - clocks = <&clock 21>; + clocks = <&clock CLK_B_125>; clock-names = "tmu_apbif"; }; @@ -230,7 +231,7 @@ compatible = "samsung,exynos5440-tmu"; reg = <0x160120 0x230>, <0x160368 0x10>; interrupts = <0 58 0>; - clocks = <&clock 21>; + clocks = <&clock CLK_B_125>; clock-names = "tmu_apbif"; }; @@ -238,7 +239,7 @@ compatible = "snps,exynos5440-ahci"; reg = <0x210000 0x10000>; interrupts = <0 30 0>; - clocks = <&clock 23>; + clocks = <&clock CLK_SATA>; clock-names = "sata"; }; @@ -246,7 +247,7 @@ compatible = "samsung,exynos5440-ohci"; reg = <0x220000 0x1000>; interrupts = <0 29 0>; - clocks = <&clock 24>; + clocks = <&clock CLK_USB>; clock-names = "usbhost"; }; @@ -254,7 +255,7 @@ compatible = "samsung,exynos5440-ehci"; reg = <0x221000 0x1000>; interrupts = <0 29 0>; - clocks = <&clock 24>; + clocks = <&clock CLK_USB>; clock-names = "usbhost"; }; @@ -264,7 +265,7 @@ 0x270000 0x1000 0x271000 0x40>; interrupts = <0 20 0>, <0 21 0>, <0 22 0>; - clocks = <&clock 28>, <&clock 27>; + clocks = <&clock CLK_PR0_250_O>, <&clock CLK_PB0_250_O>; clock-names = "pcie", "pcie_bus"; #address-cells = <3>; #size-cells = <2>; @@ -285,7 +286,7 @@ 0x272000 0x1000 0x271040 0x40>; interrupts = <0 23 0>, <0 24 0>, <0 25 0>; - clocks = <&clock 29>, <&clock 27>; + clocks = <&clock CLK_PR1_250_O>, <&clock CLK_PB0_250_O>; clock-names = "pcie", "pcie_bus"; #address-cells = <3>; #size-cells = <2>; -- 2.20.1