aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/clock
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2019-09-03 16:06:07 +0200
committerArnd Bergmann <arnd@arndb.de>2019-09-03 16:06:08 +0200
commit89e4acf7a382a30425dc4fc0ac41798c9a810c09 (patch)
treef33a2f879863951ef0d88b0e621d2c010b861115 /Documentation/devicetree/bindings/clock
parentMerge tag 'imx-bindings-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/dt (diff)
parentarm64: dts: imx8qxp: Add DSP DT node (diff)
downloadlinux-dev-89e4acf7a382a30425dc4fc0ac41798c9a810c09.tar.xz
linux-dev-89e4acf7a382a30425dc4fc0ac41798c9a810c09.zip
Merge tag 'imx-dt-clkdep-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/dt
i.MX device tree update with new clocks: - A series from Anson Huang to add i.MX8MN SoC and DDR4 EVK board device tree support. - Add DSP device tree support for i.MX8QXP SoC. * tag 'imx-dt-clkdep-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: arm64: dts: imx8qxp: Add DSP DT node arm64: dts: imx8mn: Add cpu-freq support arm64: dts: imx8mn-ddr4-evk: Add rohm,bd71847 PMIC support arm64: dts: imx8mn-ddr4-evk: Add i2c1 support arm64: dts: freescale: Add i.MX8MN DDR4 EVK board support arm64: dts: imx8mn: Add gpio-ranges property arm64: dts: freescale: Add i.MX8MN dtsi support clk: imx8: Add DSP related clocks clk: imx: Add support for i.MX8MN clock driver clk: imx: Add API for clk unregister when driver probe fail clk: imx8mm: Make 1416X/1443X PLL macro definitions common for usage dt-bindings: imx: Add clock binding doc for i.MX8MN Link: https://lore.kernel.org/r/20190825153237.28829-4-shawnguo@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'Documentation/devicetree/bindings/clock')
-rw-r--r--Documentation/devicetree/bindings/clock/imx8mn-clock.yaml112
1 files changed, 112 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/imx8mn-clock.yaml b/Documentation/devicetree/bindings/clock/imx8mn-clock.yaml
new file mode 100644
index 000000000000..622f3658bd9f
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/imx8mn-clock.yaml
@@ -0,0 +1,112 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/bindings/clock/imx8mn-clock.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX8M Nano Clock Control Module Binding
+
+maintainers:
+ - Anson Huang <Anson.Huang@nxp.com>
+
+description: |
+ NXP i.MX8M Nano clock control module is an integrated clock controller, which
+ generates and supplies to all modules.
+
+properties:
+ compatible:
+ const: fsl,imx8mn-ccm
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: 32k osc
+ - description: 24m osc
+ - description: ext1 clock input
+ - description: ext2 clock input
+ - description: ext3 clock input
+ - description: ext4 clock input
+
+ clock-names:
+ items:
+ - const: osc_32k
+ - const: osc_24m
+ - const: clk_ext1
+ - const: clk_ext2
+ - const: clk_ext3
+ - const: clk_ext4
+
+ '#clock-cells':
+ const: 1
+ description: |
+ The clock consumer should specify the desired clock by having the clock
+ ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx8mn-clock.h
+ for the full list of i.MX8M Nano clock IDs.
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - '#clock-cells'
+
+examples:
+ # Clock Control Module node:
+ - |
+ clk: clock-controller@30380000 {
+ compatible = "fsl,imx8mn-ccm";
+ reg = <0x0 0x30380000 0x0 0x10000>;
+ #clock-cells = <1>;
+ clocks = <&osc_32k>, <&osc_24m>, <&clk_ext1>,
+ <&clk_ext2>, <&clk_ext3>, <&clk_ext4>;
+ clock-names = "osc_32k", "osc_24m", "clk_ext1",
+ "clk_ext2", "clk_ext3", "clk_ext4";
+ };
+
+ # Required external clocks for Clock Control Module node:
+ - |
+ osc_32k: clock-osc-32k {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <32768>;
+ clock-output-names = "osc_32k";
+ };
+
+ osc_24m: clock-osc-24m {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <24000000>;
+ clock-output-names = "osc_24m";
+ };
+
+ clk_ext1: clock-ext1 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <133000000>;
+ clock-output-names = "clk_ext1";
+ };
+
+ clk_ext2: clock-ext2 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <133000000>;
+ clock-output-names = "clk_ext2";
+ };
+
+ clk_ext3: clock-ext3 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <133000000>;
+ clock-output-names = "clk_ext3";
+ };
+
+ clk_ext4: clock-ext4 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency= <133000000>;
+ clock-output-names = "clk_ext4";
+ };
+
+...