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linuxdebug/Documentation/devicetree/bindings/clock/samsung,exynos5433-clock.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/samsung,exynos5433-clock.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Samsung Exynos5433 SoC clock controller
maintainers:
- Chanwoo Choi <cw00.choi@samsung.com>
- Krzysztof Kozlowski <krzk@kernel.org>
- Sylwester Nawrocki <s.nawrocki@samsung.com>
- Tomasz Figa <tomasz.figa@gmail.com>
description: |
Expected external clocks, defined in DTS as fixed-rate clocks with a matching
name::
- "oscclk" - PLL input clock from XXTI
All available clocks are defined as preprocessor macros in
include/dt-bindings/clock/exynos5433.h header.
properties:
compatible:
enum:
# CMU_TOP which generates clocks for
# IMEM/FSYS/G3D/GSCL/HEVC/MSCL/G2D/MFC/PERIC/PERIS domains and bus
# clocks
- samsung,exynos5433-cmu-top
# CMU_CPIF which generates clocks for LLI (Low Latency Interface) IP
- samsung,exynos5433-cmu-cpif
# CMU_MIF which generates clocks for DRAM Memory Controller domain
- samsung,exynos5433-cmu-mif
# CMU_PERIC which generates clocks for
# UART/I2C/SPI/I2S/PCM/SPDIF/PWM/SLIMBUS IPs
- samsung,exynos5433-cmu-peric
# CMU_PERIS which generates clocks for PMU/TMU/MCT/WDT/RTC/SECKEY/TZPC IPs
- samsung,exynos5433-cmu-peris
# CMU_FSYS which generates clocks for USB/UFS/SDMMC/TSI/PDMA IPs
- samsung,exynos5433-cmu-fsys
- samsung,exynos5433-cmu-g2d
# CMU_DISP which generates clocks for Display (DECON/HDMI/DSIM/MIXER) IPs
- samsung,exynos5433-cmu-disp
- samsung,exynos5433-cmu-aud
- samsung,exynos5433-cmu-bus0
- samsung,exynos5433-cmu-bus1
- samsung,exynos5433-cmu-bus2
- samsung,exynos5433-cmu-g3d
- samsung,exynos5433-cmu-gscl
- samsung,exynos5433-cmu-apollo
# CMU_ATLAS which generates clocks for Cortex-A57 Quad-core processor,
# CoreSight and L2 cache controller
- samsung,exynos5433-cmu-atlas
# CMU_MSCL which generates clocks for M2M (Memory to Memory) scaler and
# JPEG IPs
- samsung,exynos5433-cmu-mscl
- samsung,exynos5433-cmu-mfc
- samsung,exynos5433-cmu-hevc
# CMU_ISP which generates clocks for FIMC-ISP/DRC/SCLC/DIS/3DNR IPs
- samsung,exynos5433-cmu-isp
# CMU_CAM0 which generates clocks for
# MIPI_CSIS{0|1}/FIMC_LITE_{A|B|D}/FIMC_3AA{0|1} IPs
- samsung,exynos5433-cmu-cam0
# CMU_CAM1 which generates clocks for
# Cortex-A5/MIPI_CSIS2/FIMC-LITE_C/FIMC-FD IPs
- samsung,exynos5433-cmu-cam1
# CMU_IMEM which generates clocks for SSS (Security SubSystem) and
# SlimSSS IPs
- samsung,exynos5433-cmu-imem
clocks:
minItems: 1
maxItems: 10
clock-names:
minItems: 1
maxItems: 10
"#clock-cells":
const: 1
power-domains:
maxItems: 1
reg:
maxItems: 1
required:
- compatible
- "#clock-cells"
- reg
allOf:
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-top
then:
properties:
clocks:
minItems: 4
maxItems: 4
clock-names:
items:
- const: oscclk
- const: sclk_mphy_pll
- const: sclk_mfc_pll
- const: sclk_bus_pll
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-cpif
then:
properties:
clocks:
minItems: 1
maxItems: 1
clock-names:
items:
- const: oscclk
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-mif
then:
properties:
clocks:
minItems: 2
maxItems: 2
clock-names:
items:
- const: oscclk
- const: sclk_mphy_pll
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-fsys
then:
properties:
clocks:
minItems: 10
maxItems: 10
clock-names:
items:
- const: oscclk
- const: sclk_ufs_mphy
- const: aclk_fsys_200
- const: sclk_pcie_100_fsys
- const: sclk_ufsunipro_fsys
- const: sclk_mmc2_fsys
- const: sclk_mmc1_fsys
- const: sclk_mmc0_fsys
- const: sclk_usbhost30_fsys
- const: sclk_usbdrd30_fsys
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-g2d
then:
properties:
clocks:
minItems: 3
maxItems: 3
clock-names:
items:
- const: oscclk
- const: aclk_g2d_266
- const: aclk_g2d_400
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-disp
then:
properties:
clocks:
minItems: 9
maxItems: 9
clock-names:
items:
- const: oscclk
- const: sclk_dsim1_disp
- const: sclk_dsim0_disp
- const: sclk_dsd_disp
- const: sclk_decon_tv_eclk_disp
- const: sclk_decon_vclk_disp
- const: sclk_decon_eclk_disp
- const: sclk_decon_tv_vclk_disp
- const: aclk_disp_333
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-aud
then:
properties:
clocks:
minItems: 2
maxItems: 2
clock-names:
items:
- const: oscclk
- const: fout_aud_pll
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-bus0
then:
properties:
clocks:
minItems: 1
maxItems: 1
clock-names:
items:
- const: aclk_bus0_400
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-bus1
then:
properties:
clocks:
minItems: 1
maxItems: 1
clock-names:
items:
- const: aclk_bus1_400
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-bus2
then:
properties:
clocks:
minItems: 2
maxItems: 2
clock-names:
items:
- const: oscclk
- const: aclk_bus2_400
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-g3d
then:
properties:
clocks:
minItems: 2
maxItems: 2
clock-names:
items:
- const: oscclk
- const: aclk_g3d_400
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-gscl
then:
properties:
clocks:
minItems: 3
maxItems: 3
clock-names:
items:
- const: oscclk
- const: aclk_gscl_111
- const: aclk_gscl_333
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-apollo
then:
properties:
clocks:
minItems: 2
maxItems: 2
clock-names:
items:
- const: oscclk
- const: sclk_bus_pll_apollo
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-atlas
then:
properties:
clocks:
minItems: 2
maxItems: 2
clock-names:
items:
- const: oscclk
- const: sclk_bus_pll_atlas
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-mscl
then:
properties:
clocks:
minItems: 3
maxItems: 3
clock-names:
items:
- const: oscclk
- const: sclk_jpeg_mscl
- const: aclk_mscl_400
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-mfc
then:
properties:
clocks:
minItems: 2
maxItems: 2
clock-names:
items:
- const: oscclk
- const: aclk_mfc_400
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-hevc
then:
properties:
clocks:
minItems: 2
maxItems: 2
clock-names:
items:
- const: oscclk
- const: aclk_hevc_400
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-isp
then:
properties:
clocks:
minItems: 3
maxItems: 3
clock-names:
items:
- const: oscclk
- const: aclk_isp_dis_400
- const: aclk_isp_400
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-cam0
then:
properties:
clocks:
minItems: 4
maxItems: 4
clock-names:
items:
- const: oscclk
- const: aclk_cam0_333
- const: aclk_cam0_400
- const: aclk_cam0_552
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-cam1
then:
properties:
clocks:
minItems: 7
maxItems: 7
clock-names:
items:
- const: oscclk
- const: sclk_isp_uart_cam1
- const: sclk_isp_spi1_cam1
- const: sclk_isp_spi0_cam1
- const: aclk_cam1_333
- const: aclk_cam1_400
- const: aclk_cam1_552
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos5433-cmu-imem
then:
properties:
clocks:
minItems: 4
maxItems: 4
clock-names:
items:
- const: oscclk
- const: aclk_imem_sssx_266
- const: aclk_imem_266
- const: aclk_imem_200
required:
- clock-names
- clocks
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/exynos5433.h>
xxti: clock {
compatible = "fixed-clock";
clock-output-names = "oscclk";
#clock-cells = <0>;
clock-frequency = <24000000>;
};
clock-controller@10030000 {
compatible = "samsung,exynos5433-cmu-top";
reg = <0x10030000 0x1000>;
#clock-cells = <1>;
clock-names = "oscclk",
"sclk_mphy_pll",
"sclk_mfc_pll",
"sclk_bus_pll";
clocks = <&xxti>,
<&cmu_cpif CLK_SCLK_MPHY_PLL>,
<&cmu_mif CLK_SCLK_MFC_PLL>,
<&cmu_mif CLK_SCLK_BUS_PLL>;
};
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