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SubjectRe: [PATCH v2 2/3] ARM: dts: enable clock support for Broadcom NSP
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On 11/19/2015 3:05 PM, Jon Mason wrote:
> Replace current device tree dummy clocks with real clock support for
> Broadcom Northstar Plus SoC
>
> Signed-off-by: Jon Mason <jonmason@broadcom.com>
> ---
> arch/arm/boot/dts/bcm-nsp.dtsi | 77 +++++++++++++++++++++++++++++++++++-------
> 1 file changed, 64 insertions(+), 13 deletions(-)
>
> diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi
> index b74438c..361c2a6 100644
> --- a/arch/arm/boot/dts/bcm-nsp.dtsi
> +++ b/arch/arm/boot/dts/bcm-nsp.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-nsp.h>
>
> #include "skeleton.dtsi"
>
> @@ -42,7 +43,7 @@
>
> mpcore {
> compatible = "simple-bus";
> - ranges = <0x00000000 0x19020000 0x00003000>;
> + ranges = <0x00000000 0x19000000 0x00023000>;
> #address-cells = <1>;
> #size-cells = <1>;
>
> @@ -58,16 +59,23 @@
> };
> };
>
> + a9pll: arm_clk@0000 {
> + #clock-cells = <0>;
> + compatible = "brcm,nsp-armpll";
> + clocks = <&osc>;
> + reg = <0x0000 0x1000>;
> + };
> +
> timer@0200 {

timer@20200. Or is this addressed in another patch? I completely lose
track of these....

> compatible = "arm,cortex-a9-global-timer";
> - reg = <0x0200 0x100>;
> + reg = <0x20200 0x100>;
> interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
> clocks = <&periph_clk>;
> };
>
> twd-timer@0600 {

twd-timer@20600

> compatible = "arm,cortex-a9-twd-timer";
> - reg = <0x0600 0x20>;
> + reg = <0x20600 0x20>;
> interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) |
> IRQ_TYPE_LEVEL_HIGH)>;
> clocks = <&periph_clk>;
> @@ -75,7 +83,7 @@
>
> twd-watchdog@0620 {

same here

> compatible = "arm,cortex-a9-twd-wdt";
> - reg = <0x0620 0x20>;
> + reg = <0x20620 0x20>;
> interrupts = <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) |
> IRQ_TYPE_LEVEL_HIGH)>;
> clocks = <&periph_clk>;
> @@ -86,13 +94,13 @@
> #interrupt-cells = <3>;
> #address-cells = <0>;
> interrupt-controller;
> - reg = <0x1000 0x1000>,
> - <0x0100 0x100>;
> + reg = <0x21000 0x1000>,
> + <0x20100 0x100>;
> };
>
> L2: l2-cache {
> compatible = "arm,pl310-cache";
> - reg = <0x2000 0x1000>;
> + reg = <0x22000 0x1000>;
> cache-unified;
> cache-level = <2>;
> };
> @@ -103,10 +111,34 @@
> #size-cells = <1>;
> ranges;
>
> - periph_clk: periph_clk {
> + osc: oscillator {
> + #clock-cells = <0>;
> compatible = "fixed-clock";
> + clock-frequency = <25000000>;
> + };
> +
> + iprocmed: iprocmed {
> + #clock-cells = <0>;
> + compatible = "fixed-factor-clock";
> + clocks = <&genpll BCM_NSP_GENPLL_IPROCFAST_CLK>;
> + clock-div = <2>;
> + clock-mult = <1>;
> + };
> +
> + iprocslow: iprocslow {
> + #clock-cells = <0>;
> + compatible = "fixed-factor-clock";
> + clocks = <&genpll BCM_NSP_GENPLL_IPROCFAST_CLK>;
> + clock-div = <4>;
> + clock-mult = <1>;
> + };
> +
> + periph_clk: periph_clk {
> #clock-cells = <0>;
> - clock-frequency = <500000000>;
> + compatible = "fixed-factor-clock";
> + clocks = <&a9pll>;
> + clock-div = <2>;
> + clock-mult = <1>;
> };
> };
>
> @@ -118,17 +150,17 @@
>
> uart0: serial@0300 {
> compatible = "ns16550a";
> - reg = <0x0300 0x100>;
> + reg = <0x000300 0x100>;
> interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
> - clock-frequency = <62499840>;
> + clocks = <&osc>;
> status = "disabled";
> };
>
> uart1: serial@0400 {
> compatible = "ns16550a";
> - reg = <0x0400 0x100>;
> + reg = <0x000400 0x100>;
> interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
> - clock-frequency = <62499840>;
> + clocks = <&osc>;
> status = "disabled";
> };
>
> @@ -226,5 +258,24 @@
> interrupts = <GIC_SPI 89 IRQ_TYPE_NONE>;
> clock-frequency = <100000>;
> };
> +
> + lcpll0: lcpll0@3f100 {
> + #clock-cells = <1>;
> + compatible = "brcm,nsp-lcpll0";
> + reg = <0x3f100 0x14>;
> + clocks = <&osc>;
> + clock-output-names = "lcpll0", "pcie_phy", "sdio",
> + "ddr_phy";
> + };
> +
> + genpll: genpll@3f140 {
> + #clock-cells = <1>;
> + compatible = "brcm,nsp-genpll";
> + reg = <0x3f140 0x24>;
> + clocks = <&osc>;
> + clock-output-names = "genpll", "phy", "ethernetclk",
> + "usbclk", "iprocfast", "sata1",
> + "sata2";
> + };
> };
> };
>


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