Subject: [PATCH 7/8] ARM: dts: berlin: convert BG2CD to DT clock nodes

From: [email-masked] (Sebastian Hesselbarth)
Date: Mon, 12 May 2014 21:55:08 +0200

On 05/11/2014 10:24 PM, Sebastian Hesselbarth wrote:
> This converts Berlin BG2CD SoC dtsi to make use of the new DT clock
> nodes for Berlin SoCs. Also add a binding include to ease core clock
> references.
> 
> Signed-off-by: Sebastian Hesselbarth <[email-masked]>
> ---
> Cc: Mike Turquette <[email-masked]>
> Cc: Rob Herring <[email-masked]>
> Cc: Pawel Moll <[email-masked]>
> Cc: Mark Rutland <[email-masked]>
> Cc: Ian Campbell <[email-masked]>
> Cc: Kumar Gala <[email-masked]>
> Cc: Russell King <[email-masked]>
> Cc: Alexandre Belloni <[email-masked]>
> Cc: Antoine Tenart <[email-masked]>
> Cc: devicetree at vger.kernel.org
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-kernel at vger.kernel.org
> ---
>  arch/arm/boot/dts/berlin2cd.dtsi    | 198 +++++++++++++++++++++++++++++++-----
>  drivers/clk/berlin/Makefile         |   2 +

This above shouldn't be part of this patch of course, I'll fix it
up.

Sebastian

>  include/dt-bindings/clock/berlin2.h |  35 +++++++
>  3 files changed, 207 insertions(+), 28 deletions(-)
>  create mode 100644 include/dt-bindings/clock/berlin2.h
> 
> diff --git a/arch/arm/boot/dts/berlin2cd.dtsi b/arch/arm/boot/dts/berlin2cd.dtsi
> index 094968c27533..c1b8dc8264d3 100644
> --- a/arch/arm/boot/dts/berlin2cd.dtsi
> +++ b/arch/arm/boot/dts/berlin2cd.dtsi
> @@ -12,6 +12,7 @@
>   */
>  
>  #include "skeleton.dtsi"
> +#include <dt-bindings/clock/berlin2.h>
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
>  
>  / {
> @@ -30,24 +31,18 @@
>  		};
>  	};
>  
> -	clocks {
> -		smclk: sysmgr-clock {
> -			compatible = "fixed-clock";
> -			#clock-cells = <0>;
> -			clock-frequency = <25000000>;
> -		};
> -
> -		cfgclk: cfg-clock {
> -			compatible = "fixed-clock";
> -			#clock-cells = <0>;
> -			clock-frequency = <75000000>;
> -		};
> +	refclk: oscillator {
> +		compatible = "fixed-clock";
> +		#clock-cells = <0>;
> +		clock-frequency = <25000000>;
> +	};
>  
> -		sysclk: system-clock {
> -			compatible = "fixed-clock";
> -			#clock-cells = <0>;
> -			clock-frequency = <300000000>;
> -		};
> +	twdclk: twdclk {
> +		compatible = "fixed-factor-clock";
> +		#clock-cells = <0>;
> +		clocks = <&coreclk CLKID_CPU>;
> +		clock-mult = <1>;
> +		clock-div = <3>;
>  	};
>  
>  	soc {
> @@ -76,7 +71,7 @@
>  			compatible = "arm,cortex-a9-twd-timer";
>  			reg = <0xad0600 0x20>;
>  			interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>;
> -			clocks = <&sysclk>;
> +			clocks = <&twdclk>;
>  		};
>  
>  		apb at e80000 {
> @@ -91,7 +86,7 @@
>  				compatible = "snps,dw-apb-timer";
>  				reg = <0x2c00 0x14>;
>  				interrupts = <8>;
> -				clocks = <&cfgclk>;
> +				clocks = <&coreclk CLKID_CFG>;
>  				clock-names = "timer";
>  				status = "okay";
>  			};
> @@ -100,7 +95,7 @@
>  				compatible = "snps,dw-apb-timer";
>  				reg = <0x2c14 0x14>;
>  				interrupts = <9>;
> -				clocks = <&cfgclk>;
> +				clocks = <&coreclk CLKID_CFG>;
>  				clock-names = "timer";
>  				status = "okay";
>  			};
> @@ -109,7 +104,7 @@
>  				compatible = "snps,dw-apb-timer";
>  				reg = <0x2c28 0x14>;
>  				interrupts = <10>;
> -				clocks = <&cfgclk>;
> +				clocks = <&coreclk CLKID_CFG>;
>  				clock-names = "timer";
>  				status = "disabled";
>  			};
> @@ -118,7 +113,7 @@
>  				compatible = "snps,dw-apb-timer";
>  				reg = <0x2c3c 0x14>;
>  				interrupts = <11>;
> -				clocks = <&cfgclk>;
> +				clocks = <&coreclk CLKID_CFG>;
>  				clock-names = "timer";
>  				status = "disabled";
>  			};
> @@ -127,7 +122,7 @@
>  				compatible = "snps,dw-apb-timer";
>  				reg = <0x2c50 0x14>;
>  				interrupts = <12>;
> -				clocks = <&cfgclk>;
> +				clocks = <&coreclk CLKID_CFG>;
>  				clock-names = "timer";
>  				status = "disabled";
>  			};
> @@ -136,7 +131,7 @@
>  				compatible = "snps,dw-apb-timer";
>  				reg = <0x2c64 0x14>;
>  				interrupts = <13>;
> -				clocks = <&cfgclk>;
> +				clocks = <&coreclk CLKID_CFG>;
>  				clock-names = "timer";
>  				status = "disabled";
>  			};
> @@ -145,7 +140,7 @@
>  				compatible = "snps,dw-apb-timer";
>  				reg = <0x2c78 0x14>;
>  				interrupts = <14>;
> -				clocks = <&cfgclk>;
> +				clocks = <&coreclk CLKID_CFG>;
>  				clock-names = "timer";
>  				status = "disabled";
>  			};
> @@ -154,7 +149,7 @@
>  				compatible = "snps,dw-apb-timer";
>  				reg = <0x2c8c 0x14>;
>  				interrupts = <15>;
> -				clocks = <&cfgclk>;
> +				clocks = <&coreclk CLKID_CFG>;
>  				clock-names = "timer";
>  				status = "disabled";
>  			};
> @@ -169,6 +164,153 @@
>  			};
>  		};
>  
> +		syspll: pll at ea0014 {
> +			compatible = "marvell,berlin2-pll";
> +			#clock-cells = <0>;
> +			reg = <0xea0014 0x14>;
> +			clocks = <&refclk>;
> +		};
> +
> +		mempll: pll at ea0028 {
> +			compatible = "marvell,berlin2-pll";
> +			#clock-cells = <0>;
> +			reg = <0xea0028 0x14>;
> +			clocks = <&refclk>;
> +		};
> +
> +		cpupll: pll at ea003c {
> +			compatible = "marvell,berlin2-pll";
> +			#clock-cells = <0>;
> +			reg = <0xea003c 0x14>;
> +			clocks = <&refclk>;
> +		};
> +
> +		avpll: pll at ea0040 {
> +			compatible = "marvell,berlin2-avpll";
> +			#clock-cells = <2>;
> +			reg = <0xea0050 0x100>;
> +			clocks = <&refclk>;
> +		};
> +
> +		coreclk: clock at ea0150 {
> +			compatible = "marvell,berlin2-core-clocks";
> +			#clock-cells = <1>;
> +			reg = <0xea0150 0x1c>;
> +			clocks = <&refclk>, <&syspll>, <&mempll>, <&cpupll>,
> +				<&avpll 0 1>, <&avpll 0 2>,
> +				<&avpll 0 3>, <&avpll 0 4>,
> +				<&avpll 0 5>, <&avpll 0 6>,
> +				<&avpll 0 7>, <&avpll 0 8>,
> +				<&avpll 1 1>, <&avpll 1 2>,
> +				<&avpll 1 3>, <&avpll 1 4>,
> +				<&avpll 1 5>, <&avpll 1 6>,
> +				<&avpll 1 7>, <&avpll 1 8>;
> +			clock-names = "refclk", "syspll", "mempll", "cpupll",
> +				"avpll_a1", "avpll_a2", "avpll_a3", "avpll_a4",
> +				"avpll_a5", "avpll_a6", "avpll_a7", "avpll_a8",
> +				"avpll_b1", "avpll_b2", "avpll_b3", "avpll_b4",
> +				"avpll_b5", "avpll_b6", "avpll_b7", "avpll_b8";
> +		};
> +
> +		gfx3dcore_clk: clock at ea022c {
> +			compatible = "marvell,berlin2-clk-div";
> +			#clock-cells = <0>;
> +			reg = <0xea0022c 0x4>;
> +			clocks = <&syspll>,
> +				<&avpll 1 4>, <&avpll 1 5>,
> +				<&avpll 1 6>, <&avpll 1 7>;
> +			clock-names = "mux_bypass",
> +				"mux0", "mux1", "mux2", "mux3";
> +		};
> +
> +		gfx3dsys_clk: clock at ea0230 {
> +			compatible = "marvell,berlin2-clk-div";
> +			#clock-cells = <0>;
> +			reg = <0xea00230 0x4>;
> +			clocks = <&syspll>,
> +				<&avpll 1 4>, <&avpll 1 5>,
> +				<&avpll 1 6>, <&avpll 1 7>;
> +			clock-names = "mux_bypass",
> +				"mux0", "mux1", "mux2", "mux3";
> +		};
> +
> +		arc_clk: clock at ea0234 {
> +			compatible = "marvell,berlin2-clk-div";
> +			#clock-cells = <0>;
> +			reg = <0xea00234 0x4>;
> +			clocks = <&syspll>,
> +				<&avpll 1 4>, <&avpll 1 5>,
> +				<&avpll 1 6>, <&avpll 1 7>;
> +			clock-names = "mux_bypass",
> +				"mux0", "mux1", "mux2", "mux3";
> +		};
> +
> +		vip_clk: clock at ea0238 {
> +			compatible = "marvell,berlin2-clk-div";
> +			#clock-cells = <0>;
> +			reg = <0xea00238 0x4>;
> +			clocks = <&syspll>,
> +				<&avpll 1 4>, <&avpll 1 5>,
> +				<&avpll 1 6>, <&avpll 1 7>;
> +			clock-names = "mux_bypass",
> +				"mux0", "mux1", "mux2", "mux3";
> +		};
> +
> +		sdio0xin_clk: clock at ea023c {
> +			compatible = "marvell,berlin2-clk-div";
> +			#clock-cells = <0>;
> +			reg = <0xea0023c 0x4>;
> +			clocks = <&syspll>,
> +				<&avpll 1 4>, <&avpll 1 5>,
> +				<&avpll 1 6>, <&avpll 1 7>;
> +			clock-names = "mux_bypass",
> +				"mux0", "mux1", "mux2", "mux3";
> +		};
> +
> +		sdio1xin_clk: clock at ea0240 {
> +			compatible = "marvell,berlin2-clk-div";
> +			#clock-cells = <0>;
> +			reg = <0xea00240 0x4>;
> +			clocks = <&syspll>,
> +				<&avpll 1 4>, <&avpll 1 5>,
> +				<&avpll 1 6>, <&avpll 1 7>;
> +			clock-names = "mux_bypass",
> +				"mux0", "mux1", "mux2", "mux3";
> +		};
> +
> +		gfx3dextra_clk: clock at ea0244 {
> +			compatible = "marvell,berlin2-clk-div";
> +			#clock-cells = <0>;
> +			reg = <0xea00244 0x4>;
> +			clocks = <&syspll>,
> +				<&avpll 1 4>, <&avpll 1 5>,
> +				<&avpll 1 6>, <&avpll 1 7>;
> +			clock-names = "mux_bypass",
> +				"mux0", "mux1", "mux2", "mux3";
> +		};
> +
> +		gc360_clk: clock at ea024c {
> +			compatible = "marvell,berlin2-clk-div";
> +			#clock-cells = <0>;
> +			reg = <0xea0024c 0x4>;
> +			clocks = <&syspll>,
> +				<&avpll 1 4>, <&avpll 1 5>,
> +				<&avpll 1 6>, <&avpll 1 7>;
> +			clock-names = "mux_bypass",
> +				"mux0", "mux1", "mux2", "mux3";
> +		};
> +
> +		sdio_dllmst_clk: clock at ea0250 {
> +			compatible = "marvell,berlin2-clk-div";
> +			#clock-cells = <0>;
> +			reg = <0xea00250 0x4>;
> +			clocks = <&syspll>,
> +				<&avpll 1 4>, <&avpll 1 5>,
> +				<&avpll 1 6>, <&avpll 1 7>;
> +			clock-names = "mux_bypass",
> +				"mux0", "mux1", "mux2", "mux3";
> +		};
> +
>  		apb at fc0000 {
>  			compatible = "simple-bus";
>  			#address-cells = <1>;
> @@ -183,7 +325,7 @@
>  				reg-shift = <2>;
>  				reg-io-width = <1>;
>  				interrupts = <8>;
> -				clocks = <&smclk>;
> +				clocks = <&refclk>;
>  				status = "disabled";
>  			};
>  
> @@ -193,7 +335,7 @@
>  				reg-shift = <2>;
>  				reg-io-width = <1>;
>  				interrupts = <9>;
> -				clocks = <&smclk>;
> +				clocks = <&refclk>;
>  				status = "disabled";
>  			};
>  
> diff --git a/drivers/clk/berlin/Makefile b/drivers/clk/berlin/Makefile
> index f0a7dc8b5e30..2b33e1e74503 100644
> --- a/drivers/clk/berlin/Makefile
> +++ b/drivers/clk/berlin/Makefile
> @@ -1 +1,3 @@
>  obj-y += berlin2-avpll.o berlin2-pll.o berlin2-div.o
> +obj-$(CONFIG_MACH_BERLIN_BG2)	+= bg2.o
> +obj-$(CONFIG_MACH_BERLIN_BG2CD)	+= bg2.o
> diff --git a/include/dt-bindings/clock/berlin2.h b/include/dt-bindings/clock/berlin2.h
> new file mode 100644
> index 000000000000..dacf7edec4d3
> --- /dev/null
> +++ b/include/dt-bindings/clock/berlin2.h
> @@ -0,0 +1,35 @@
> +/*
> + * Berlin2 BG2/BG2CD clock tree IDs
> + */
> +
> +#define CLKID_SYS		0
> +#define CLKID_CPU		1
> +#define CLKID_DRMFIGO		2
> +#define CLKID_CFG		3
> +#define CLKID_GFX		4
> +#define CLKID_ZSP		5
> +#define CLKID_PERIF		6
> +#define CLKID_PCUBE		7
> +#define CLKID_VSCOPE		8
> +#define CLKID_NFC_ECC		9
> +#define CLKID_VPP		10
> +#define CLKID_APP		11
> +#define CLKID_AUDIO0		12
> +#define CLKID_AUDIO2		23
> +#define CLKID_AUDIO3		14
> +#define CLKID_AUDIO1		15
> +#define CLKID_GETH0		16
> +#define CLKID_GETH1		17
> +#define CLKID_SATA		18
> +#define CLKID_AHBAPB		19
> +#define CLKID_USB0		20
> +#define CLKID_USB1		21
> +#define CLKID_PBRIDGE		22
> +#define CLKID_SDIO0		23
> +#define CLKID_SDIO1		24
> +#define CLKID_NFC		25
> +#define CLKID_SMEMC		26
> +#define CLKID_AUDIOHD		27
> +#define CLKID_VIDEO0		28
> +#define CLKID_VIDEO1		29
> +#define CLKID_VIDEO2		30
>