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Date: Mon, 12 May 2014 21:55:08 +0200
From: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
To: unlisted-recipients:; (no To-header on input)
CC: Mike Turquette <mturquette@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>,
Russell King <linux@....linux.org.uk>,
Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
Antoine Tenart <antoine.tenart@...e-electrons.com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/8] ARM: dts: berlin: convert BG2CD to DT clock nodes
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 <sebastian.hesselbarth@...il.com>
> ---
> Cc: Mike Turquette <mturquette@...aro.org>
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Pawel Moll <pawel.moll@....com>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: Ian Campbell <ijc+devicetree@...lion.org.uk>
> Cc: Kumar Gala <galak@...eaurora.org>
> Cc: Russell King <linux@....linux.org.uk>
> Cc: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
> Cc: Antoine Tenart <antoine.tenart@...e-electrons.com>
> Cc: devicetree@...r.kernel.org
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: linux-kernel@...r.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@...000 {
> @@ -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@...014 {
> + compatible = "marvell,berlin2-pll";
> + #clock-cells = <0>;
> + reg = <0xea0014 0x14>;
> + clocks = <&refclk>;
> + };
> +
> + mempll: pll@...028 {
> + compatible = "marvell,berlin2-pll";
> + #clock-cells = <0>;
> + reg = <0xea0028 0x14>;
> + clocks = <&refclk>;
> + };
> +
> + cpupll: pll@...03c {
> + compatible = "marvell,berlin2-pll";
> + #clock-cells = <0>;
> + reg = <0xea003c 0x14>;
> + clocks = <&refclk>;
> + };
> +
> + avpll: pll@...040 {
> + compatible = "marvell,berlin2-avpll";
> + #clock-cells = <2>;
> + reg = <0xea0050 0x100>;
> + clocks = <&refclk>;
> + };
> +
> + coreclk: clock@...150 {
> + 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@...22c {
> + 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@...230 {
> + 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@...234 {
> + 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@...238 {
> + 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@...23c {
> + 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@...240 {
> + 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@...244 {
> + 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@...24c {
> + 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@...250 {
> + 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@...000 {
> 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
>
--
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