Hi Dan,
On 07/17/2014 11:45 AM, Murphy, Dan wrote:
> Add the prcm_resets node to the prm parent node.
>
> Add the draxx_resets file to define the
> dra7xx reset lines that are handled by this reset
> framework.
>
> Signed-off-by: Dan Murphy <dmurphy@xxxxxx>
> ---
>
> v3 - No changes
>
> arch/arm/boot/dts/dra7.dtsi | 7 +++
> arch/arm/boot/dts/dra7xx-resets.dtsi | 82 ++++++++++++++++++++++++++++++++++
> 2 files changed, 89 insertions(+)
> create mode 100644 arch/arm/boot/dts/dra7xx-resets.dtsi
>
> diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
> index 8012763..f3a8819 100644
> --- a/arch/arm/boot/dts/dra7.dtsi
> +++ b/arch/arm/boot/dts/dra7.dtsi
> @@ -93,6 +93,12 @@
>
> prm_clockdomains: clockdomains {
> };
> +
> + prm_resets: resets {
> + #address-cells = <1>;
> + #size-cells = <1>;
Should be corrected as per comment on DT bindings.
> + #reset-cells = <1>;
> + };
> };
>
> cm_core_aon: cm_core_aon@4a005000 {
> @@ -998,3 +1004,4 @@
> };
>
> /include/ "dra7xx-clocks.dtsi"
> +/include/ "dra7xx-resets.dtsi"
> diff --git a/arch/arm/boot/dts/dra7xx-resets.dtsi b/arch/arm/boot/dts/dra7xx-resets.dtsi
> new file mode 100644
> index 0000000..4c4966d
> --- /dev/null
> +++ b/arch/arm/boot/dts/dra7xx-resets.dtsi
> @@ -0,0 +1,82 @@
> +/*
> + * Device Tree Source for DRA7XX reset data
> + *
> + * Copyright (C) 2014 Texas Instruments, Inc.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +
> +&prm_resets {
> + dsp_rstctrl {
> + reg = <0x410>,
> + <0x414>;
> +
> + dsp_reset: dsp_reset {
> + control-bit = <0x01>;
> + status-bit = <0x01>;
> + };
> +
> + dsp_mmu_reset: dsp_mmu_reset {
> + control-bit = <0x02>;
> + status-bit = <0x02>;
> + };
> + };
> +
> + ipu_rstctrl {
> + reg = <0x510>,
> + <0x514>;
> +
> + ipu_cpu0_reset: ipu_cpu0_reset {
> + control-bit = <0x01>;
> + status-bit = <0x01>;
> + };
> +
> + ipu_cpu1_reset: ipu_cpu1_reset {
> + control-bit = <0x02>;
> + status-bit = <0x02>;
> + };
> +
> + ipu_mmu_reset: ipu_mmu_reset {
> + control-bit = <0x04>;
> + status-bit = <0x04>;
> + };
> + };
There are two IPUs on DRA7. Which one is this node for? And please add
the other reset node for the other IPU as well.
> +
> + iva_rstctrl {
> + reg = <0xf10>,
> + <0xf14>;
> +
> + iva_reset: iva_reset {
> + control-bit = <0x01>;
> + status-bit = <0x01>;
> + };
IVA also has three resets, one for logic and two for the sequencers. You
are describing only one of them.
> + };
> +
> + pcie_rstctrl {
> + reg = <0x1310>,
> + <0x1314>;
> +
> + pcie1_reset: pcie1_reset {
> + control-bit = <0x01>;
> + status-bit = <0x01>;
> + };
> +
> + pcie2_reset: pcie2_reset {
> + control-bit = <0x01>;
> + status-bit = <0x01>;
> + };
Copy-paste error? Both pcie resets cannot have the same control and
status bits.
regards
Suman
> + };
> +
> + device_rstctrl {
> + reg = <0x1D00>,
> + <0x1D04>;
> +
> + device_reset: device_reset {
> + control-bit = <0x01>;
> + status-bit = <0x01>;
> + };
> + };
> +
> +};
>
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