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Date: Thu, 17 Sep 2015 18:16:16 -0700
From: Florian Fainelli <f.fainelli@...il.com>
To: Ray Jui <rjui@...adcom.com>,
Florian Fainelli <f.fainelli@...il.com>,
Rob Herring <robh+dt@...nel.org>
CC: Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
bcm-kernel-feedback-list@...adcom.com, devicetree@...r.kernel.org
Subject: Re: [PATCH 1/4] ARM: dts: clean up Cygnus DT files
On 17/09/15 16:57, Ray Jui wrote:
> This patch cleans up Cygnus DT files and makes the format consistent
> with the rest of Broadcom iProc based SoCs.
>
> Changes include:
> - Put core components into "core" node of type "simple-bus"
> - Put all other peripherals into "soc" node of type "simple-bus"
> - Move aliases into bcm-cygnus.dtsi to avoid duplications in all dts
> files
> - Ordered all device nodes under buses based on their base register
> addresses
> - Remove unused PCI I/O resource
> - Use label instead of full path to reference device nodes in dts
> files
I am fine with the changes per-se, but the review is made largely more
difficult because you mix multiple changes at the same time, this really
ought to be separate patches to ease the review process. Sorry for not
picking that up earlier.
>
> Signed-off-by: Ray Jui <rjui@...adcom.com>
> Reviewed-by: Scott Branden <sbranden@...adcom.com>
> ---
> arch/arm/boot/dts/bcm-cygnus.dtsi | 328 +++++++++++++++++----------------
> arch/arm/boot/dts/bcm911360_entphn.dts | 12 +-
> arch/arm/boot/dts/bcm911360k.dts | 10 +-
> arch/arm/boot/dts/bcm958300k.dts | 44 ++---
> arch/arm/boot/dts/bcm958305k.dts | 10 +-
> 5 files changed, 199 insertions(+), 205 deletions(-)
>
> diff --git a/arch/arm/boot/dts/bcm-cygnus.dtsi b/arch/arm/boot/dts/bcm-cygnus.dtsi
> index e1ac07a..1f56b18 100644
> --- a/arch/arm/boot/dts/bcm-cygnus.dtsi
> +++ b/arch/arm/boot/dts/bcm-cygnus.dtsi
> @@ -32,6 +32,7 @@
>
> #include <dt-bindings/interrupt-controller/arm-gic.h>
> #include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/clock/bcm-cygnus.h>
>
> #include "skeleton.dtsi"
>
> @@ -40,6 +41,10 @@
> model = "Broadcom Cygnus SoC";
> interrupt-parent = <&gic>;
>
> + aliases {
> + serial0 = &uart3;
> + };
> +
> cpus {
> #address-cells = <1>;
> #size-cells = <0>;
> @@ -54,197 +59,202 @@
>
> /include/ "bcm-cygnus-clock.dtsi"
>
> - pinctrl: pinctrl@...301d0c8 {
> - compatible = "brcm,cygnus-pinmux";
> - reg = <0x0301d0c8 0x30>,
> - <0x0301d24c 0x2c>;
> - };
> -
> - gpio_crmu: gpio@...24800 {
> - compatible = "brcm,cygnus-crmu-gpio";
> - reg = <0x03024800 0x50>,
> - <0x03024008 0x18>;
> - #gpio-cells = <2>;
> - gpio-controller;
> - };
> -
> - gpio_ccm: gpio@...0a000 {
> - compatible = "brcm,cygnus-ccm-gpio";
> - reg = <0x1800a000 0x50>,
> - <0x0301d164 0x20>;
> - #gpio-cells = <2>;
> - gpio-controller;
> - interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
> - interrupt-controller;
> - };
> + core {
> + compatible = "simple-bus";
> + ranges;
> + #address-cells = <1>;
> + #size-cells = <1>;
>
> - gpio_asiu: gpio@...a5000 {
> - compatible = "brcm,cygnus-asiu-gpio";
> - reg = <0x180a5000 0x668>;
> - #gpio-cells = <2>;
> - gpio-controller;
> + timer@...20200 {
> + compatible = "arm,cortex-a9-global-timer";
> + reg = <0x19020200 0x100>;
> + interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&periph_clk>;
> + };
>
> - pinmux = <&pinctrl>;
> + gic: interrupt-controller@...21000 {
> + compatible = "arm,cortex-a9-gic";
> + #interrupt-cells = <3>;
> + #address-cells = <0>;
> + interrupt-controller;
> + reg = <0x19021000 0x1000>,
> + <0x19020100 0x100>;
> + };
>
> - interrupt-controller;
> - interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
> + L2: l2-cache {
> + compatible = "arm,pl310-cache";
> + reg = <0x19022000 0x1000>;
> + cache-unified;
> + cache-level = <2>;
> + };
> };
>
> - amba {
> + soc {
> + compatible = "simple-bus";
> + ranges;
> #address-cells = <1>;
> #size-cells = <1>;
> - compatible = "arm,amba-bus", "simple-bus";
> - interrupt-parent = <&gic>;
> - ranges;
>
> - wdt@...09000 {
> - compatible = "arm,sp805" , "arm,primecell";
> - reg = <0x18009000 0x1000>;
> - interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&axi81_clk>;
> - clock-names = "apb_pclk";
> + pinctrl: pinctrl@...1d0c8 {
> + compatible = "brcm,cygnus-pinmux";
> + reg = <0x0301d0c8 0x30>,
> + <0x0301d24c 0x2c>;
> };
> - };
>
> - i2c0: i2c@...08000 {
> - compatible = "brcm,cygnus-iproc-i2c", "brcm,iproc-i2c";
> - reg = <0x18008000 0x100>;
> - #address-cells = <1>;
> - #size-cells = <0>;
> - interrupts = <GIC_SPI 85 IRQ_TYPE_NONE>;
> - clock-frequency = <100000>;
> - status = "disabled";
> - };
> + gpio_crmu: gpio@...24800 {
> + compatible = "brcm,cygnus-crmu-gpio";
> + reg = <0x03024800 0x50>,
> + <0x03024008 0x18>;
> + #gpio-cells = <2>;
> + gpio-controller;
> + };
>
> - i2c1: i2c@...0b000 {
> - compatible = "brcm,cygnus-iproc-i2c", "brcm,iproc-i2c";
> - reg = <0x1800b000 0x100>;
> - #address-cells = <1>;
> - #size-cells = <0>;
> - interrupts = <GIC_SPI 86 IRQ_TYPE_NONE>;
> - clock-frequency = <100000>;
> - status = "disabled";
> - };
> + i2c0: i2c@...08000 {
> + compatible = "brcm,cygnus-iproc-i2c", "brcm,iproc-i2c";
> + reg = <0x18008000 0x100>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + interrupts = <GIC_SPI 85 IRQ_TYPE_NONE>;
> + clock-frequency = <100000>;
> + status = "disabled";
> + };
> +
> + wdt0: wdt@...09000 {
> + compatible = "arm,sp805" , "arm,primecell";
> + reg = <0x18009000 0x1000>;
> + interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&axi81_clk>;
> + clock-names = "apb_pclk";
> + };
>
> - pcie0: pcie@...12000 {
> - compatible = "brcm,iproc-pcie";
> - reg = <0x18012000 0x1000>;
> + gpio_ccm: gpio@...0a000 {
> + compatible = "brcm,cygnus-ccm-gpio";
> + reg = <0x1800a000 0x50>,
> + <0x0301d164 0x20>;
> + #gpio-cells = <2>;
> + gpio-controller;
> + interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-controller;
> + };
>
> - #interrupt-cells = <1>;
> - interrupt-map-mask = <0 0 0 0>;
> - interrupt-map = <0 0 0 0 &gic GIC_SPI 100 IRQ_TYPE_NONE>;
> + i2c1: i2c@...0b000 {
> + compatible = "brcm,cygnus-iproc-i2c", "brcm,iproc-i2c";
> + reg = <0x1800b000 0x100>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + interrupts = <GIC_SPI 86 IRQ_TYPE_NONE>;
> + clock-frequency = <100000>;
> + status = "disabled";
> + };
>
> - linux,pci-domain = <0>;
> + pcie0: pcie@...12000 {
> + compatible = "brcm,iproc-pcie";
> + reg = <0x18012000 0x1000>;
>
> - bus-range = <0x00 0xff>;
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 0>;
> + interrupt-map = <0 0 0 0 &gic GIC_SPI 100 IRQ_TYPE_NONE>;
>
> - #address-cells = <3>;
> - #size-cells = <2>;
> - device_type = "pci";
> - ranges = <0x81000000 0 0 0x28000000 0 0x00010000
> - 0x82000000 0 0x20000000 0x20000000 0 0x04000000>;
> + linux,pci-domain = <0>;
>
> - status = "disabled";
> - };
> + bus-range = <0x00 0xff>;
>
> - pcie1: pcie@...13000 {
> - compatible = "brcm,iproc-pcie";
> - reg = <0x18013000 0x1000>;
> + #address-cells = <3>;
> + #size-cells = <2>;
> + device_type = "pci";
> + ranges = <0x82000000 0 0x20000000 0x20000000 0 0x04000000>;
>
> - #interrupt-cells = <1>;
> - interrupt-map-mask = <0 0 0 0>;
> - interrupt-map = <0 0 0 0 &gic GIC_SPI 106 IRQ_TYPE_NONE>;
> + status = "disabled";
> + };
>
> - linux,pci-domain = <1>;
> + pcie1: pcie@...13000 {
> + compatible = "brcm,iproc-pcie";
> + reg = <0x18013000 0x1000>;
>
> - bus-range = <0x00 0xff>;
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 0>;
> + interrupt-map = <0 0 0 0 &gic GIC_SPI 106 IRQ_TYPE_NONE>;
>
> - #address-cells = <3>;
> - #size-cells = <2>;
> - device_type = "pci";
> - ranges = <0x81000000 0 0 0x48000000 0 0x00010000
> - 0x82000000 0 0x40000000 0x40000000 0 0x04000000>;
> + linux,pci-domain = <1>;
>
> - status = "disabled";
> - };
> + bus-range = <0x00 0xff>;
>
> - uart0: serial@...20000 {
> - compatible = "snps,dw-apb-uart";
> - reg = <0x18020000 0x100>;
> - reg-shift = <2>;
> - reg-io-width = <4>;
> - interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&axi81_clk>;
> - clock-frequency = <100000000>;
> - status = "disabled";
> - };
> + #address-cells = <3>;
> + #size-cells = <2>;
> + device_type = "pci";
> + ranges = <0x82000000 0 0x40000000 0x40000000 0 0x04000000>;
>
> - uart1: serial@...21000 {
> - compatible = "snps,dw-apb-uart";
> - reg = <0x18021000 0x100>;
> - reg-shift = <2>;
> - reg-io-width = <4>;
> - interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&axi81_clk>;
> - clock-frequency = <100000000>;
> - status = "disabled";
> - };
> + status = "disabled";
> + };
>
> - uart2: serial@...22000 {
> - compatible = "snps,dw-apb-uart";
> - reg = <0x18020000 0x100>;
> - reg-shift = <2>;
> - reg-io-width = <4>;
> - interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&axi81_clk>;
> - clock-frequency = <100000000>;
> - status = "disabled";
> - };
> + uart0: serial@...20000 {
> + compatible = "snps,dw-apb-uart";
> + reg = <0x18020000 0x100>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&axi81_clk>;
> + clock-frequency = <100000000>;
> + status = "disabled";
> + };
>
> - uart3: serial@...23000 {
> - compatible = "snps,dw-apb-uart";
> - reg = <0x18023000 0x100>;
> - reg-shift = <2>;
> - reg-io-width = <4>;
> - interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&axi81_clk>;
> - clock-frequency = <100000000>;
> - status = "disabled";
> - };
> + uart1: serial@...21000 {
> + compatible = "snps,dw-apb-uart";
> + reg = <0x18021000 0x100>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&axi81_clk>;
> + clock-frequency = <100000000>;
> + status = "disabled";
> + };
>
> - nand: nand@...46000 {
> - compatible = "brcm,nand-iproc", "brcm,brcmnand-v6.1", "brcm,brcmnand";
> - reg = <0x18046000 0x600>, <0xf8105408 0x600>, <0x18046f00 0x20>;
> - reg-names = "nand", "iproc-idm", "iproc-ext";
> - interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
> + uart2: serial@...22000 {
> + compatible = "snps,dw-apb-uart";
> + reg = <0x18020000 0x100>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&axi81_clk>;
> + clock-frequency = <100000000>;
> + status = "disabled";
> + };
>
> - #address-cells = <1>;
> - #size-cells = <0>;
> + uart3: serial@...23000 {
> + compatible = "snps,dw-apb-uart";
> + reg = <0x18023000 0x100>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&axi81_clk>;
> + clock-frequency = <100000000>;
> + status = "disabled";
> + };
>
> - brcm,nand-has-wp;
> - };
> + nand: nand@...46000 {
> + compatible = "brcm,nand-iproc", "brcm,brcmnand-v6.1",
> + "brcm,brcmnand";
> + reg = <0x18046000 0x600>, <0xf8105408 0x600>,
> + <0x18046f00 0x20>;
> + reg-names = "nand", "iproc-idm", "iproc-ext";
> + interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
>
> - gic: interrupt-controller@...21000 {
> - compatible = "arm,cortex-a9-gic";
> - #interrupt-cells = <3>;
> - #address-cells = <0>;
> - interrupt-controller;
> - reg = <0x19021000 0x1000>,
> - <0x19020100 0x100>;
> - };
> + #address-cells = <1>;
> + #size-cells = <0>;
>
> - L2: l2-cache {
> - compatible = "arm,pl310-cache";
> - reg = <0x19022000 0x1000>;
> - cache-unified;
> - cache-level = <2>;
> - };
> + brcm,nand-has-wp;
> + };
>
> - timer@...20200 {
> - compatible = "arm,cortex-a9-global-timer";
> - reg = <0x19020200 0x100>;
> - interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&periph_clk>;
> - };
> + gpio_asiu: gpio@...a5000 {
> + compatible = "brcm,cygnus-asiu-gpio";
> + reg = <0x180a5000 0x668>;
> + #gpio-cells = <2>;
> + gpio-controller;
>
> + pinmux = <&pinctrl>;
> +
> + interrupt-controller;
> + interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
> + };
> + };
> };
> diff --git a/arch/arm/boot/dts/bcm911360_entphn.dts b/arch/arm/boot/dts/bcm911360_entphn.dts
> index 7db4843..f791a3b 100644
> --- a/arch/arm/boot/dts/bcm911360_entphn.dts
> +++ b/arch/arm/boot/dts/bcm911360_entphn.dts
> @@ -39,19 +39,11 @@
> model = "Cygnus Enterprise Phone (BCM911360_ENTPHN)";
> compatible = "brcm,bcm11360", "brcm,cygnus";
>
> - aliases {
> - serial0 = &uart3;
> - };
> -
> chosen {
> stdout-path = &uart3;
> bootargs = "console=ttyS0,115200";
> };
>
> - uart3: serial@...23000 {
> - status = "okay";
> - };
> -
> gpio_keys {
> compatible = "gpio-keys";
> #address-cells = <1>;
> @@ -64,3 +56,7 @@
> };
> };
> };
> +
> +&uart3 {
> + status = "okay";
> +};
> diff --git a/arch/arm/boot/dts/bcm911360k.dts b/arch/arm/boot/dts/bcm911360k.dts
> index 9658d4f..814011c 100644
> --- a/arch/arm/boot/dts/bcm911360k.dts
> +++ b/arch/arm/boot/dts/bcm911360k.dts
> @@ -38,16 +38,12 @@
> model = "Cygnus SVK (BCM911360K)";
> compatible = "brcm,bcm11360", "brcm,cygnus";
>
> - aliases {
> - serial0 = &uart3;
> - };
> -
> chosen {
> stdout-path = &uart3;
> bootargs = "console=ttyS0,115200";
> };
> +};
>
> - uart3: serial@...23000 {
> - status = "okay";
> - };
> +&uart3 {
> + status = "okay";
> };
> diff --git a/arch/arm/boot/dts/bcm958300k.dts b/arch/arm/boot/dts/bcm958300k.dts
> index 2f63052..d8dc9f0 100644
> --- a/arch/arm/boot/dts/bcm958300k.dts
> +++ b/arch/arm/boot/dts/bcm958300k.dts
> @@ -38,40 +38,36 @@
> model = "Cygnus SVK (BCM958300K)";
> compatible = "brcm,bcm58300", "brcm,cygnus";
>
> - aliases {
> - serial0 = &uart3;
> - };
> -
> chosen {
> stdout-path = &uart3;
> bootargs = "console=ttyS0,115200";
> };
> +};
>
> - pcie0: pcie@...12000 {
> - status = "okay";
> - };
> +&pcie0 {
> + status = "okay";
> +};
>
> - pcie1: pcie@...13000 {
> - status = "okay";
> - };
> +&pcie1 {
> + status = "okay";
> +};
>
> - uart3: serial@...23000 {
> - status = "okay";
> - };
> +&uart3 {
> + status = "okay";
> +};
>
> - nand: nand@...46000 {
> - nandcs@1 {
> - compatible = "brcm,nandcs";
> - reg = <0>;
> - nand-on-flash-bbt;
> +&nand {
> + nandcs@1 {
> + compatible = "brcm,nandcs";
> + reg = <0>;
> + nand-on-flash-bbt;
>
> - #address-cells = <1>;
> - #size-cells = <1>;
> + #address-cells = <1>;
> + #size-cells = <1>;
>
> - nand-ecc-strength = <24>;
> - nand-ecc-step-size = <1024>;
> + nand-ecc-strength = <24>;
> + nand-ecc-step-size = <1024>;
>
> - brcm,nand-oob-sector-size = <27>;
> - };
> + brcm,nand-oob-sector-size = <27>;
> };
> };
> diff --git a/arch/arm/boot/dts/bcm958305k.dts b/arch/arm/boot/dts/bcm958305k.dts
> index 56b429a..af11a8e 100644
> --- a/arch/arm/boot/dts/bcm958305k.dts
> +++ b/arch/arm/boot/dts/bcm958305k.dts
> @@ -38,16 +38,12 @@
> model = "Cygnus Wireless Audio (BCM958305K)";
> compatible = "brcm,bcm58305", "brcm,cygnus";
>
> - aliases {
> - serial0 = &uart3;
> - };
> -
> chosen {
> stdout-path = &uart3;
> bootargs = "console=ttyS0,115200";
> };
> +};
>
> - uart3: serial@...23000 {
> - status = "okay";
> - };
> +&uart3 {
> + status = "okay";
> };
>
--
Florian
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