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Message-ID: <20140426025900.GH1127@beef>
Date: Fri, 25 Apr 2014 22:59:00 -0400
From: Matt Porter <mporter@...aro.org>
To: Alex Elder <elder@...aro.org>
Cc: mturquette@...aro.org, bcm@...thebug.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 RESEND 5/5] ARM: dts: use real clocks for bcm21664
On Mon, Apr 21, 2014 at 04:26:27PM -0500, Alex Elder wrote:
> Replace the "fake" fixed-rate clocks used previously for the
> bcm21664 family with "real" ones.
>
> Signed-off-by: Alex Elder <elder@...aro.org>
Acked-by: Matt Porter <mporter@...aro.org>
> ---
> arch/arm/boot/dts/bcm21664.dtsi | 190 +++++++++++++++++++++++++---------------
> 1 file changed, 118 insertions(+), 72 deletions(-)
>
> diff --git a/arch/arm/boot/dts/bcm21664.dtsi b/arch/arm/boot/dts/bcm21664.dtsi
> index 08a44d4..8b36682 100644
> --- a/arch/arm/boot/dts/bcm21664.dtsi
> +++ b/arch/arm/boot/dts/bcm21664.dtsi
> @@ -14,6 +14,8 @@
> #include <dt-bindings/interrupt-controller/arm-gic.h>
> #include <dt-bindings/interrupt-controller/irq.h>
>
> +#include "dt-bindings/clock/bcm21664.h"
> +
> #include "skeleton.dtsi"
>
> / {
> @@ -43,7 +45,7 @@
> compatible = "brcm,bcm21664-dw-apb-uart", "snps,dw-apb-uart";
> status = "disabled";
> reg = <0x3e000000 0x118>;
> - clocks = <&uartb_clk>;
> + clocks = <&slave_ccu BCM21664_SLAVE_CCU_UARTB>;
> interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
> reg-shift = <2>;
> reg-io-width = <4>;
> @@ -53,7 +55,7 @@
> compatible = "brcm,bcm21664-dw-apb-uart", "snps,dw-apb-uart";
> status = "disabled";
> reg = <0x3e001000 0x118>;
> - clocks = <&uartb2_clk>;
> + clocks = <&slave_ccu BCM21664_SLAVE_CCU_UARTB2>;
> interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>;
> reg-shift = <2>;
> reg-io-width = <4>;
> @@ -63,7 +65,7 @@
> compatible = "brcm,bcm21664-dw-apb-uart", "snps,dw-apb-uart";
> status = "disabled";
> reg = <0x3e002000 0x118>;
> - clocks = <&uartb3_clk>;
> + clocks = <&slave_ccu BCM21664_SLAVE_CCU_UARTB3>;
> interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>;
> reg-shift = <2>;
> reg-io-width = <4>;
> @@ -85,7 +87,7 @@
> compatible = "brcm,kona-timer";
> reg = <0x35006000 0x1c>;
> interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&hub_timer_clk>;
> + clocks = <&aon_ccu BCM21664_AON_CCU_HUB_TIMER>;
> };
>
> gpio: gpio@...03000 {
> @@ -106,7 +108,7 @@
> compatible = "brcm,kona-sdhci";
> reg = <0x3f180000 0x801c>;
> interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&sdio1_clk>;
> + clocks = <&master_ccu BCM21664_MASTER_CCU_SDIO1>;
> status = "disabled";
> };
>
> @@ -114,7 +116,7 @@
> compatible = "brcm,kona-sdhci";
> reg = <0x3f190000 0x801c>;
> interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&sdio2_clk>;
> + clocks = <&master_ccu BCM21664_MASTER_CCU_SDIO2>;
> status = "disabled";
> };
>
> @@ -122,7 +124,7 @@
> compatible = "brcm,kona-sdhci";
> reg = <0x3f1a0000 0x801c>;
> interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&sdio3_clk>;
> + clocks = <&master_ccu BCM21664_MASTER_CCU_SDIO3>;
> status = "disabled";
> };
>
> @@ -130,7 +132,7 @@
> compatible = "brcm,kona-sdhci";
> reg = <0x3f1b0000 0x801c>;
> interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&sdio4_clk>;
> + clocks = <&master_ccu BCM21664_MASTER_CCU_SDIO4>;
> status = "disabled";
> };
>
> @@ -140,7 +142,7 @@
> interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
> #address-cells = <1>;
> #size-cells = <0>;
> - clocks = <&bsc1_clk>;
> + clocks = <&slave_ccu BCM21664_SLAVE_CCU_BSC1>;
> status = "disabled";
> };
>
> @@ -150,7 +152,7 @@
> interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
> #address-cells = <1>;
> #size-cells = <0>;
> - clocks = <&bsc2_clk>;
> + clocks = <&slave_ccu BCM21664_SLAVE_CCU_BSC2>;
> status = "disabled";
> };
>
> @@ -160,7 +162,7 @@
> interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
> #address-cells = <1>;
> #size-cells = <0>;
> - clocks = <&bsc3_clk>;
> + clocks = <&slave_ccu BCM21664_SLAVE_CCU_BSC3>;
> status = "disabled";
> };
>
> @@ -170,105 +172,149 @@
> interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>;
> #address-cells = <1>;
> #size-cells = <0>;
> - clocks = <&bsc4_clk>;
> + clocks = <&slave_ccu BCM21664_SLAVE_CCU_BSC4>;
> status = "disabled";
> };
>
> clocks {
> - bsc1_clk: bsc1 {
> - compatible = "fixed-clock";
> - clock-frequency = <13000000>;
> - #clock-cells = <0>;
> - };
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
>
> - bsc2_clk: bsc2 {
> - compatible = "fixed-clock";
> - clock-frequency = <13000000>;
> + /*
> + * Fixed clocks are defined before CCUs whose
> + * clocks may depend on them.
> + */
> +
> + ref_32k_clk: ref_32k {
> #clock-cells = <0>;
> + compatible = "fixed-clock";
> + clock-frequency = <32768>;
> };
>
> - bsc3_clk: bsc3 {
> - compatible = "fixed-clock";
> - clock-frequency = <13000000>;
> + bbl_32k_clk: bbl_32k {
> #clock-cells = <0>;
> + compatible = "fixed-clock";
> + clock-frequency = <32768>;
> };
>
> - bsc4_clk: bsc4 {
> + ref_13m_clk: ref_13m {
> + #clock-cells = <0>;
> compatible = "fixed-clock";
> clock-frequency = <13000000>;
> - #clock-cells = <0>;
> };
>
> - pmu_bsc_clk: pmu_bsc {
> + var_13m_clk: var_13m {
> + #clock-cells = <0>;
> compatible = "fixed-clock";
> clock-frequency = <13000000>;
> - #clock-cells = <0>;
> };
>
> - hub_timer_clk: hub_timer {
> - compatible = "fixed-clock";
> - clock-frequency = <32768>;
> + dft_19_5m_clk: dft_19_5m {
> #clock-cells = <0>;
> + compatible = "fixed-clock";
> + clock-frequency = <19500000>;
> };
>
> - pwm_clk: pwm {
> + ref_crystal_clk: ref_crystal {
> + #clock-cells = <0>;
> compatible = "fixed-clock";
> clock-frequency = <26000000>;
> - #clock-cells = <0>;
> };
>
> - sdio1_clk: sdio1 {
> - compatible = "fixed-clock";
> - clock-frequency = <48000000>;
> + ref_52m_clk: ref_52m {
> #clock-cells = <0>;
> - };
> -
> - sdio2_clk: sdio2 {
> compatible = "fixed-clock";
> - clock-frequency = <48000000>;
> - #clock-cells = <0>;
> + clock-frequency = <52000000>;
> };
>
> - sdio3_clk: sdio3 {
> - compatible = "fixed-clock";
> - clock-frequency = <48000000>;
> + var_52m_clk: var_52m {
> #clock-cells = <0>;
> - };
> -
> - sdio4_clk: sdio4 {
> - compatible = "fixed-clock";
> - clock-frequency = <48000000>;
> - #clock-cells = <0>;
> - };
> -
> - tmon_1m_clk: tmon_1m {
> compatible = "fixed-clock";
> - clock-frequency = <1000000>;
> - #clock-cells = <0>;
> - };
> -
> - uartb_clk: uartb {
> - compatible = "fixed-clock";
> - clock-frequency = <13000000>;
> - #clock-cells = <0>;
> - };
> -
> - uartb2_clk: uartb2 {
> - compatible = "fixed-clock";
> - clock-frequency = <13000000>;
> - #clock-cells = <0>;
> - };
> -
> - uartb3_clk: uartb3 {
> - compatible = "fixed-clock";
> - clock-frequency = <13000000>;
> - #clock-cells = <0>;
> + clock-frequency = <52000000>;
> };
>
> usb_otg_ahb_clk: usb_otg_ahb {
> + #clock-cells = <0>;
> compatible = "fixed-clock";
> clock-frequency = <52000000>;
> + };
> +
> + ref_96m_clk: ref_96m {
> #clock-cells = <0>;
> + compatible = "fixed-clock";
> + clock-frequency = <96000000>;
> + };
> +
> + var_96m_clk: var_96m {
> + #clock-cells = <0>;
> + compatible = "fixed-clock";
> + clock-frequency = <96000000>;
> + };
> +
> + ref_104m_clk: ref_104m {
> + #clock-cells = <0>;
> + compatible = "fixed-clock";
> + clock-frequency = <104000000>;
> + };
> +
> + var_104m_clk: var_104m {
> + #clock-cells = <0>;
> + compatible = "fixed-clock";
> + clock-frequency = <104000000>;
> + };
> +
> + ref_156m_clk: ref_156m {
> + #clock-cells = <0>;
> + compatible = "fixed-clock";
> + clock-frequency = <156000000>;
> + };
> +
> + var_156m_clk: var_156m {
> + #clock-cells = <0>;
> + compatible = "fixed-clock";
> + clock-frequency = <156000000>;
> + };
> +
> + root_ccu: root_ccu {
> + compatible = BCM21664_DT_ROOT_CCU_COMPAT;
> + reg = <0x35001000 0x0f00>;
> + #clock-cells = <1>;
> + clock-output-names = "frac_1m";
> + };
> +
> + aon_ccu: aon_ccu {
> + compatible = BCM21664_DT_AON_CCU_COMPAT;
> + reg = <0x35002000 0x0f00>;
> + #clock-cells = <1>;
> + clock-output-names = "hub_timer";
> + };
> +
> + master_ccu: master_ccu {
> + compatible = BCM21664_DT_MASTER_CCU_COMPAT;
> + reg = <0x3f001000 0x0f00>;
> + #clock-cells = <1>;
> + clock-output-names = "sdio1",
> + "sdio2",
> + "sdio3",
> + "sdio4",
> + "sdio1_sleep",
> + "sdio2_sleep",
> + "sdio3_sleep",
> + "sdio4_sleep";
> + };
> +
> + slave_ccu: slave_ccu {
> + compatible = BCM21664_DT_SLAVE_CCU_COMPAT;
> + reg = <0x3e011000 0x0f00>;
> + #clock-cells = <1>;
> + clock-output-names = "uartb",
> + "uartb2",
> + "uartb3",
> + "bsc1",
> + "bsc2",
> + "bsc3",
> + "bsc4";
> };
> };
>
> --
> 1.9.1
>
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