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authorLinus Torvalds <torvalds@linux-foundation.org>2015-11-04 22:15:15 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-04 22:15:15 -0800
commit8e483ed1342a4ea45b70f0f33ac54eff7a33d918 (patch)
tree66c9f9ad196581966bdb06802e11e9856b1c0779 /Documentation/devicetree
parente880e87488d5bbf630dd716e6de8a53585614568 (diff)
parente2d8680741edec84f843f783a7f4a44418b818d7 (diff)
Merge tag 'char-misc-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH: "Here is the big char/misc driver update for 4.4-rc1. Lots of different driver and subsystem updates, hwtracing being the largest with the addition of some new platforms that are now supported. Full details in the shortlog. All of these have been in linux-next for a long time with no reported issues" * tag 'char-misc-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (181 commits) fpga: socfpga: Fix check of return value of devm_request_irq lkdtm: fix ACCESS_USERSPACE test mcb: Destroy IDA on module unload mcb: Do not return zero on error path in mcb_pci_probe() mei: bus: set the device name before running fixup mei: bus: use correct lock ordering mei: Fix debugfs filename in error output char: ipmi: ipmi_ssif: Replace timeval with timespec64 fpga: zynq-fpga: Fix issue with drvdata being overwritten. fpga manager: remove unnecessary null pointer checks fpga manager: ensure lifetime with of_fpga_mgr_get fpga: zynq-fpga: Change fw format to handle bin instead of bit. fpga: zynq-fpga: Fix unbalanced clock handling misc: sram: partition base address belongs to __iomem space coresight: etm3x: adding documentation for sysFS's cpu interface vme: 8-bit status/id takes 256 values, not 255 fpga manager: Adding FPGA Manager support for Xilinx Zynq 7000 ARM: zynq: dt: Updated devicetree for Zynq 7000 platform. ARM: dt: fpga: Added binding docs for Xilinx Zynq FPGA manager. ver_linux: proc/modules, limit text processing to 'sed' ...
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/fpga/xilinx-zynq-fpga-mgr.txt19
-rw-r--r--Documentation/devicetree/bindings/misc/sram.txt16
-rw-r--r--Documentation/devicetree/bindings/nvmem/imx-ocotp.txt20
-rw-r--r--Documentation/devicetree/bindings/nvmem/mxs-ocotp.txt25
-rw-r--r--Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt38
-rw-r--r--Documentation/devicetree/bindings/nvmem/vf610-ocotp.txt19
-rw-r--r--Documentation/devicetree/bindings/w1/omap-hdq.txt7
7 files changed, 143 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/fpga/xilinx-zynq-fpga-mgr.txt b/Documentation/devicetree/bindings/fpga/xilinx-zynq-fpga-mgr.txt
new file mode 100644
index 000000000000..7018aa896835
--- /dev/null
+++ b/Documentation/devicetree/bindings/fpga/xilinx-zynq-fpga-mgr.txt
@@ -0,0 +1,19 @@
+Xilinx Zynq FPGA Manager
+
+Required properties:
+- compatible: should contain "xlnx,zynq-devcfg-1.0"
+- reg: base address and size for memory mapped io
+- interrupts: interrupt for the FPGA manager device
+- clocks: phandle for clocks required operation
+- clock-names: name for the clock, should be "ref_clk"
+- syscon: phandle for access to SLCR registers
+
+Example:
+ devcfg: devcfg@f8007000 {
+ compatible = "xlnx,zynq-devcfg-1.0";
+ reg = <0xf8007000 0x100>;
+ interrupts = <0 8 4>;
+ clocks = <&clkc 12>;
+ clock-names = "ref_clk";
+ syscon = <&slcr>;
+ };
diff --git a/Documentation/devicetree/bindings/misc/sram.txt b/Documentation/devicetree/bindings/misc/sram.txt
index 36cbe5aea990..42ee9438b771 100644
--- a/Documentation/devicetree/bindings/misc/sram.txt
+++ b/Documentation/devicetree/bindings/misc/sram.txt
@@ -33,6 +33,12 @@ Optional properties in the area nodes:
- compatible : standard definition, should contain a vendor specific string
in the form <vendor>,[<device>-]<usage>
+- pool : indicates that the particular reserved SRAM area is addressable
+ and in use by another device or devices
+- export : indicates that the reserved SRAM area may be accessed outside
+ of the kernel, e.g. by bootloader or userspace
+- label : the name for the reserved partition, if omitted, the label
+ is taken from the node name excluding the unit address.
Example:
@@ -48,4 +54,14 @@ sram: sram@5c000000 {
compatible = "socvendor,smp-sram";
reg = <0x100 0x50>;
};
+
+ device-sram@1000 {
+ reg = <0x1000 0x1000>;
+ pool;
+ };
+
+ exported@20000 {
+ reg = <0x20000 0x20000>;
+ export;
+ };
};
diff --git a/Documentation/devicetree/bindings/nvmem/imx-ocotp.txt b/Documentation/devicetree/bindings/nvmem/imx-ocotp.txt
new file mode 100644
index 000000000000..383d5889e95a
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/imx-ocotp.txt
@@ -0,0 +1,20 @@
+Freescale i.MX6 On-Chip OTP Controller (OCOTP) device tree bindings
+
+This binding represents the on-chip eFuse OTP controller found on
+i.MX6Q/D, i.MX6DL/S, i.MX6SL, and i.MX6SX SoCs.
+
+Required properties:
+- compatible: should be one of
+ "fsl,imx6q-ocotp" (i.MX6Q/D/DL/S),
+ "fsl,imx6sl-ocotp" (i.MX6SL), or
+ "fsl,imx6sx-ocotp" (i.MX6SX), followed by "syscon".
+- reg: Should contain the register base and length.
+- clocks: Should contain a phandle pointing to the gated peripheral clock.
+
+Example:
+
+ ocotp: ocotp@021bc000 {
+ compatible = "fsl,imx6q-ocotp", "syscon";
+ reg = <0x021bc000 0x4000>;
+ clocks = <&clks IMX6QDL_CLK_IIM>;
+ };
diff --git a/Documentation/devicetree/bindings/nvmem/mxs-ocotp.txt b/Documentation/devicetree/bindings/nvmem/mxs-ocotp.txt
new file mode 100644
index 000000000000..daebce9e6b07
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/mxs-ocotp.txt
@@ -0,0 +1,25 @@
+On-Chip OTP Memory for Freescale i.MX23/i.MX28
+
+Required properties :
+- compatible :
+ - "fsl,imx23-ocotp" for i.MX23
+ - "fsl,imx28-ocotp" for i.MX28
+- #address-cells : Should be 1
+- #size-cells : Should be 1
+- reg : Address and length of OTP controller registers
+- clocks : Should contain a reference to the hbus clock
+
+= Data cells =
+Are child nodes of mxs-ocotp, bindings of which as described in
+bindings/nvmem/nvmem.txt
+
+Example for i.MX28:
+
+ ocotp: ocotp@8002c000 {
+ compatible = "fsl,imx28-ocotp", "fsl,ocotp";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0x8002c000 0x2000>;
+ clocks = <&clks 25>;
+ status = "okay";
+ };
diff --git a/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt b/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt
new file mode 100644
index 000000000000..8f86ab3b1046
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt
@@ -0,0 +1,38 @@
+= Rockchip eFuse device tree bindings =
+
+Required properties:
+- compatible: Should be "rockchip,rockchip-efuse"
+- reg: Should contain the registers location and exact eFuse size
+- clocks: Should be the clock id of eFuse
+- clock-names: Should be "pclk_efuse"
+
+= Data cells =
+Are child nodes of eFuse, bindings of which as described in
+bindings/nvmem/nvmem.txt
+
+Example:
+
+ efuse: efuse@ffb40000 {
+ compatible = "rockchip,rockchip-efuse";
+ reg = <0xffb40000 0x20>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ clocks = <&cru PCLK_EFUSE256>;
+ clock-names = "pclk_efuse";
+
+ /* Data cells */
+ cpu_leakage: cpu_leakage {
+ reg = <0x17 0x1>;
+ };
+ };
+
+= Data consumers =
+Are device nodes which consume nvmem data cells.
+
+Example:
+
+ cpu_leakage {
+ ...
+ nvmem-cells = <&cpu_leakage>;
+ nvmem-cell-names = "cpu_leakage";
+ };
diff --git a/Documentation/devicetree/bindings/nvmem/vf610-ocotp.txt b/Documentation/devicetree/bindings/nvmem/vf610-ocotp.txt
new file mode 100644
index 000000000000..56ed481c3e26
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/vf610-ocotp.txt
@@ -0,0 +1,19 @@
+On-Chip OTP Memory for Freescale Vybrid
+
+Required Properties:
+ compatible:
+ - "fsl,vf610-ocotp" for VF5xx/VF6xx
+ #address-cells : Should be 1
+ #size-cells : Should be 1
+ reg : Address and length of OTP controller and fuse map registers
+ clocks : ipg clock we associate with the OCOTP peripheral
+
+Example for Vybrid VF5xx/VF6xx:
+
+ ocotp: ocotp@400a5000 {
+ compatible = "fsl,vf610-ocotp";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0x400a5000 0xCF0>;
+ clocks = <&clks VF610_CLK_OCOTP>;
+ };
diff --git a/Documentation/devicetree/bindings/w1/omap-hdq.txt b/Documentation/devicetree/bindings/w1/omap-hdq.txt
index fef794741bd1..913c5f91a0f9 100644
--- a/Documentation/devicetree/bindings/w1/omap-hdq.txt
+++ b/Documentation/devicetree/bindings/w1/omap-hdq.txt
@@ -1,11 +1,15 @@
* OMAP HDQ One wire bus master controller
Required properties:
-- compatible : should be "ti,omap3-1w"
+- compatible : should be "ti,omap3-1w" or "ti,am4372-hdq"
- reg : Address and length of the register set for the device
- interrupts : interrupt line.
- ti,hwmods : "hdq1w"
+Optional properties:
+- ti,mode: should be "hdq": HDQ mode "1w": one-wire mode.
+ If not specified HDQ mode is implied.
+
Example:
- From omap3.dtsi
@@ -14,4 +18,5 @@ Example:
reg = <0x480b2000 0x1000>;
interrupts = <58>;
ti,hwmods = "hdq1w";
+ ti,mode = "hdq";
};