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Message-ID: <56241E6A.2060406@hauke-m.de>
Date: Mon, 19 Oct 2015 00:34:18 +0200
From: Hauke Mehrtens <hauke@...ke-m.de>
To: Jon Mason <jonmason@...adcom.com>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...eaurora.org>
Cc: Florian Fainelli <f.fainelli@...il.com>,
Ray Jui <rjui@...adcom.com>,
Scott Branden <sbranden@...adcom.com>,
linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
bcm-kernel-feedback-list@...adcom.com
Subject: Re: [RFC 3/5] ARM: dts: enable clock support for BCM5301X
On 10/13/2015 11:22 PM, Jon Mason wrote:
> Replace current device tree dummy clocks with real clock support for
> Broadcom Northstar SoCs.
>
> Signed-off-by: Jon Mason <jonmason@...adcom.com>
The clock-frequency of the uarts should also be replaced with the
correct clock from the clock driver.
Hauke
> ---
> arch/arm/boot/dts/bcm5301x.dtsi | 88 ++++++++++++++++++++++++++++++++---------
> 1 file changed, 69 insertions(+), 19 deletions(-)
>
> diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi
> index 6f50f67..1eca551 100644
> --- a/arch/arm/boot/dts/bcm5301x.dtsi
> +++ b/arch/arm/boot/dts/bcm5301x.dtsi
> @@ -8,6 +8,7 @@
> * Licensed under the GNU/GPL. See COPYING for details.
> */
>
> +#include <dt-bindings/clock/bcm-nsp.h>
> #include <dt-bindings/gpio/gpio.h>
> #include <dt-bindings/input/input.h>
> #include <dt-bindings/interrupt-controller/irq.h>
> @@ -42,41 +43,48 @@
>
> mpcore {
> compatible = "simple-bus";
> - ranges = <0x00000000 0x19020000 0x00003000>;
> + ranges = <0x00000000 0x19000000 0x00023000>;
> #address-cells = <1>;
> #size-cells = <1>;
>
> - scu@...0 {
> + a9pll: arm_clk@...00 {
> + #clock-cells = <0>;
> + compatible = "brcm,nsp-armpll";
> + clocks = <&osc>;
> + reg = <0x00000 0x1000>;
> + };
> +
> + scu@...00 {
> compatible = "arm,cortex-a9-scu";
> - reg = <0x0000 0x100>;
> + reg = <0x20000 0x100>;
> };
>
> - timer@...0 {
> + timer@...00 {
> compatible = "arm,cortex-a9-global-timer";
> - reg = <0x0200 0x100>;
> + reg = <0x20200 0x100>;
> interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&clk_periph>;
> + clocks = <&periph_clk>;
> };
>
> - local-timer@...0 {
> + local-timer@...00 {
> compatible = "arm,cortex-a9-twd-timer";
> - reg = <0x0600 0x100>;
> + reg = <0x20600 0x100>;
> interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&clk_periph>;
> + clocks = <&periph_clk>;
> };
>
> - gic: interrupt-controller@...0 {
> + gic: interrupt-controller@...00 {
> compatible = "arm,cortex-a9-gic";
> #interrupt-cells = <3>;
> #address-cells = <0>;
> interrupt-controller;
> - reg = <0x1000 0x1000>,
> - <0x0100 0x100>;
> + reg = <0x21000 0x1000>,
> + <0x20100 0x100>;
> };
>
> - L2: cache-controller@...0 {
> + L2: cache-controller@...00 {
> compatible = "arm,pl310-cache";
> - reg = <0x2000 0x1000>;
> + reg = <0x22000 0x1000>;
> cache-unified;
> arm,shared-override;
> prefetch-data = <1>;
> @@ -94,14 +102,37 @@
>
> clocks {
> #address-cells = <1>;
> - #size-cells = <0>;
> + #size-cells = <1>;
> + ranges;
>
> - /* As long as we do not have a real clock driver us this
> - * fixed clock */
> - clk_periph: periph {
> + 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 = <400000000>;
> + compatible = "fixed-factor-clock";
> + clocks = <&a9pll>;
> + clock-div = <2>;
> + clock-mult = <1>;
> };
> };
>
> @@ -178,6 +209,25 @@
> };
> };
>
> + lcpll0: lcpll0@...0c100 {
> + #clock-cells = <1>;
> + compatible = "brcm,nsp-lcpll0";
> + reg = <0x1800c100 0x14>;
> + clocks = <&osc>;
> + clock-output-names = "lcpll0", "pcie_phy", "sdio",
> + "ddr_phy";
> + };
> +
> + genpll: genpll@...0c140 {
> + #clock-cells = <1>;
> + compatible = "brcm,nsp-genpll";
> + reg = <0x1800c140 0x24>;
> + clocks = <&osc>;
> + clock-output-names = "genpll", "phy", "ethernetclk",
> + "usbclk", "iprocfast", "sata1",
> + "sata2";
> + };
> +
> nand: nand@...28000 {
> compatible = "brcm,nand-iproc", "brcm,brcmnand-v6.1", "brcm,brcmnand";
> reg = <0x18028000 0x600>, <0x1811a408 0x600>, <0x18028f00 0x20>;
>
--
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