From: Lee Jones <lee.jones@linaro.org> To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: kernel@stlinux.com, maxime.coquelin@st.com, ohad@wizery.com, devicetree@vger.kernel.org, Nathan_Lynch@mentor.com, f.fainelli@gmail.com, ludovic.barre@st.com, s-anna@ti.com, Lee Jones <lee.jones@linaro.org> Subject: [PATCH v5 2/7] remoteproc: dt: Provide bindings for ST's Remote Processor Controller driver Date: Tue, 12 Jan 2016 12:46:16 +0000 [thread overview] Message-ID: <1452602781-22424-3-git-send-email-lee.jones@linaro.org> (raw) In-Reply-To: <1452602781-22424-1-git-send-email-lee.jones@linaro.org> Signed-off-by: Ludovic Barre <ludovic.barre@st.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> --- .../devicetree/bindings/remoteproc/st-rproc.txt | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/st-rproc.txt diff --git a/Documentation/devicetree/bindings/remoteproc/st-rproc.txt b/Documentation/devicetree/bindings/remoteproc/st-rproc.txt new file mode 100644 index 0000000..1031bcd --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/st-rproc.txt @@ -0,0 +1,41 @@ +STMicroelectronics Co-Processor Bindings +---------------------------------------- + +This binding provides support for adjunct processors found on ST SoCs. + +Co-processors can be controlled from the bootloader or the primary OS. If +the bootloader starts a co-processor, the primary OS must detect its state +and act accordingly. + +Required properties: +- compatible Should be one of: + "st,st231-rproc" + "st,st40-rproc" +- memory-region Reserved memory (See: ../reserved-memory/reserved-memory.txt) +- resets Reset lines (See: ../reset/reset.txt) +- reset-names Must be "sw_reset" and "pwr_reset" +- clocks Clock for co-processor (See: ../clock/clock-bindings.txt) +- clock-frequency Clock frequency to set co-processor at if the bootloader + hasn't already done so +- st,syscfg System configuration register which holds the boot vector + for the co-processor + 1st cell: Phandle to syscon block + 2nd cell: Boot vector register offset + +Example: + + audio_reserved: rproc@42000000 { + compatible = "shared-dma-pool"; + reg = <0x42000000 0x01000000>; + no-map; + }; + + st231-audio { + compatible = "st,st231-rproc"; + memory-region = <&audio_reserved>; + resets = <&softreset STIH407_ST231_AUD_SOFTRESET>; + reset-names = "sw_reset"; + clocks = <&clk_s_c0_flexgen CLK_ST231_AUD_0>; + clock-frequency = <600000000>; + st,syscfg = <&syscfg_core 0x228>; + }; -- 1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: lee.jones@linaro.org (Lee Jones) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 2/7] remoteproc: dt: Provide bindings for ST's Remote Processor Controller driver Date: Tue, 12 Jan 2016 12:46:16 +0000 [thread overview] Message-ID: <1452602781-22424-3-git-send-email-lee.jones@linaro.org> (raw) In-Reply-To: <1452602781-22424-1-git-send-email-lee.jones@linaro.org> Signed-off-by: Ludovic Barre <ludovic.barre@st.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> --- .../devicetree/bindings/remoteproc/st-rproc.txt | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/st-rproc.txt diff --git a/Documentation/devicetree/bindings/remoteproc/st-rproc.txt b/Documentation/devicetree/bindings/remoteproc/st-rproc.txt new file mode 100644 index 0000000..1031bcd --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/st-rproc.txt @@ -0,0 +1,41 @@ +STMicroelectronics Co-Processor Bindings +---------------------------------------- + +This binding provides support for adjunct processors found on ST SoCs. + +Co-processors can be controlled from the bootloader or the primary OS. If +the bootloader starts a co-processor, the primary OS must detect its state +and act accordingly. + +Required properties: +- compatible Should be one of: + "st,st231-rproc" + "st,st40-rproc" +- memory-region Reserved memory (See: ../reserved-memory/reserved-memory.txt) +- resets Reset lines (See: ../reset/reset.txt) +- reset-names Must be "sw_reset" and "pwr_reset" +- clocks Clock for co-processor (See: ../clock/clock-bindings.txt) +- clock-frequency Clock frequency to set co-processor at if the bootloader + hasn't already done so +- st,syscfg System configuration register which holds the boot vector + for the co-processor + 1st cell: Phandle to syscon block + 2nd cell: Boot vector register offset + +Example: + + audio_reserved: rproc at 42000000 { + compatible = "shared-dma-pool"; + reg = <0x42000000 0x01000000>; + no-map; + }; + + st231-audio { + compatible = "st,st231-rproc"; + memory-region = <&audio_reserved>; + resets = <&softreset STIH407_ST231_AUD_SOFTRESET>; + reset-names = "sw_reset"; + clocks = <&clk_s_c0_flexgen CLK_ST231_AUD_0>; + clock-frequency = <600000000>; + st,syscfg = <&syscfg_core 0x228>; + }; -- 1.9.1
next prev parent reply other threads:[~2016-01-12 12:47 UTC|newest] Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-01-12 12:46 [PATCH v5 0/7] remoteproc: Add driver for STMicroelectronics platforms Lee Jones 2016-01-12 12:46 ` Lee Jones 2016-01-12 12:46 ` Lee Jones 2016-01-12 12:46 ` [PATCH v5 1/7] remoteproc: debugfs: Check of invalid 'count' value Lee Jones 2016-01-12 12:46 ` Lee Jones 2016-01-12 12:46 ` Lee Jones 2016-01-12 12:46 ` Lee Jones [this message] 2016-01-12 12:46 ` [PATCH v5 2/7] remoteproc: dt: Provide bindings for ST's Remote Processor Controller driver Lee Jones 2016-01-12 14:33 ` Rob Herring 2016-01-12 14:33 ` Rob Herring 2016-01-12 14:33 ` Rob Herring 2016-01-12 14:46 ` Lee Jones 2016-01-12 14:46 ` Lee Jones 2016-03-16 16:39 ` [STLinux Kernel] " Peter Griffin 2016-03-16 16:39 ` Peter Griffin 2016-01-12 12:46 ` [PATCH v5 3/7] remoteproc: debugfs: Add ability to boot remote processor using debugfs Lee Jones 2016-01-12 12:46 ` Lee Jones 2016-01-12 12:46 ` Lee Jones 2016-03-16 16:44 ` [STLinux Kernel] " Peter Griffin 2016-03-16 16:44 ` Peter Griffin 2016-03-16 16:44 ` Peter Griffin 2016-01-12 12:46 ` [PATCH v5 4/7] remoteproc: Supply controller driver for ST's Remote Processors Lee Jones 2016-01-12 12:46 ` Lee Jones 2016-01-12 14:47 ` Lee Jones 2016-01-12 14:47 ` Lee Jones 2016-03-16 16:38 ` [STLinux Kernel] " Peter Griffin 2016-03-16 16:38 ` Peter Griffin 2016-01-12 12:46 ` [PATCH v5 5/7] MAINTAINERS: Add ST's Remote Processor Driver to ARM/STI ARCHITECTURE Lee Jones 2016-01-12 12:46 ` Lee Jones 2016-01-12 12:46 ` Lee Jones 2016-03-16 16:40 ` [STLinux Kernel] " Peter Griffin 2016-03-16 16:40 ` Peter Griffin 2016-01-12 12:46 ` [PATCH v5 6/7] ARM: STiH407: Add nodes for RemoteProc Lee Jones 2016-01-12 12:46 ` Lee Jones 2016-04-13 22:04 ` Olof Johansson 2016-04-13 22:04 ` Olof Johansson 2016-04-13 22:04 ` Olof Johansson 2016-01-12 12:46 ` [PATCH v5 7/7] ARM: STiH407: Move over to using the 'reserved-memory' API for obtaining DMA memory Lee Jones 2016-01-12 12:46 ` Lee Jones 2016-03-16 16:35 ` [STLinux Kernel] " Peter Griffin 2016-03-16 16:35 ` Peter Griffin 2016-03-16 16:35 ` Peter Griffin 2016-03-16 16:55 ` Lee Jones 2016-03-16 16:55 ` Lee Jones 2016-03-16 16:55 ` Lee Jones 2016-03-16 20:10 ` Peter Griffin 2016-03-16 20:10 ` Peter Griffin 2016-03-16 20:10 ` Peter Griffin 2016-03-17 9:05 ` Loic PALLARDY 2016-03-17 9:05 ` Loic PALLARDY 2016-03-17 9:05 ` Loic PALLARDY 2016-03-17 10:18 ` Lee Jones 2016-03-17 10:18 ` Lee Jones 2016-03-17 10:18 ` Lee Jones 2016-01-27 7:31 ` [PATCH v5 0/7] remoteproc: Add driver for STMicroelectronics platforms Lee Jones 2016-01-27 7:31 ` Lee Jones 2016-01-27 7:31 ` Lee Jones 2016-01-27 19:19 ` Bjorn Andersson 2016-01-27 19:19 ` Bjorn Andersson 2016-03-02 15:43 ` Lee Jones 2016-03-02 15:43 ` Lee Jones
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