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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,exynos7-clock.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Samsung Exynos7 SoC clock controller
maintainers:
- Chanwoo Choi <cw00.choi@samsung.com>
- Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
- 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::
- "fin_pll" - PLL input clock from XXTI
All available clocks are defined as preprocessor macros in
include/dt-bindings/clock/exynos7-clk.h header.
properties:
compatible:
enum:
- samsung,exynos7-clock-topc
- samsung,exynos7-clock-top0
- samsung,exynos7-clock-top1
- samsung,exynos7-clock-ccore
- samsung,exynos7-clock-peric0
- samsung,exynos7-clock-peric1
- samsung,exynos7-clock-peris
- samsung,exynos7-clock-fsys0
- samsung,exynos7-clock-fsys1
- samsung,exynos7-clock-mscl
- samsung,exynos7-clock-aud
clocks:
minItems: 1
maxItems: 13
clock-names:
minItems: 1
maxItems: 13
"#clock-cells":
const: 1
reg:
maxItems: 1
required:
- compatible
- "#clock-cells"
- reg
allOf:
- if:
properties:
compatible:
contains:
const: samsung,exynos7-clock-top0
then:
properties:
clocks:
minItems: 6
maxItems: 6
clock-names:
items:
- const: fin_pll
- const: dout_sclk_bus0_pll
- const: dout_sclk_bus1_pll
- const: dout_sclk_cc_pll
- const: dout_sclk_mfc_pll
- const: dout_sclk_aud_pll
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos7-clock-top1
then:
properties:
clocks:
minItems: 5
maxItems: 5
clock-names:
items:
- const: fin_pll
- const: dout_sclk_bus0_pll
- const: dout_sclk_bus1_pll
- const: dout_sclk_cc_pll
- const: dout_sclk_mfc_pll
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos7-clock-ccore
then:
properties:
clocks:
minItems: 2
maxItems: 2
clock-names:
items:
- const: fin_pll
- const: dout_aclk_ccore_133
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos7-clock-peric0
then:
properties:
clocks:
minItems: 3
maxItems: 3
clock-names:
items:
- const: fin_pll
- const: dout_aclk_peric0_66
- const: sclk_uart0
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos7-clock-peric1
then:
properties:
clocks:
minItems: 13
maxItems: 13
clock-names:
items:
- const: fin_pll
- const: dout_aclk_peric1_66
- const: sclk_uart1
- const: sclk_uart2
- const: sclk_uart3
- const: sclk_spi0
- const: sclk_spi1
- const: sclk_spi2
- const: sclk_spi3
- const: sclk_spi4
- const: sclk_i2s1
- const: sclk_pcm1
- const: sclk_spdif
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos7-clock-peris
then:
properties:
clocks:
minItems: 2
maxItems: 2
clock-names:
items:
- const: fin_pll
- const: dout_aclk_peris_66
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos7-clock-fsys0
then:
properties:
clocks:
minItems: 3
maxItems: 3
clock-names:
items:
- const: fin_pll
- const: dout_aclk_fsys0_200
- const: dout_sclk_mmc2
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos7-clock-fsys1
then:
properties:
clocks:
minItems: 7
maxItems: 7
clock-names:
items:
- const: fin_pll
- const: dout_aclk_fsys1_200
- const: dout_sclk_mmc0
- const: dout_sclk_mmc1
- const: dout_sclk_ufsunipro20
- const: dout_sclk_phy_fsys1
- const: dout_sclk_phy_fsys1_26m
required:
- clock-names
- clocks
- if:
properties:
compatible:
contains:
const: samsung,exynos7-clock-aud
then:
properties:
clocks:
minItems: 2
maxItems: 2
clock-names:
items:
- const: fin_pll
- const: fout_aud_pll
required:
- clock-names
- clocks
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/exynos7-clk.h>
fin_pll: clock {
compatible = "fixed-clock";
clock-output-names = "fin_pll";
#clock-cells = <0>;
clock-frequency = <24000000>;
};
clock-controller@105e0000 {
compatible = "samsung,exynos7-clock-top1";
reg = <0x105e0000 0xb000>;
#clock-cells = <1>;
clocks = <&fin_pll>,
<&clock_topc DOUT_SCLK_BUS0_PLL>,
<&clock_topc DOUT_SCLK_BUS1_PLL>,
<&clock_topc DOUT_SCLK_CC_PLL>,
<&clock_topc DOUT_SCLK_MFC_PLL>;
clock-names = "fin_pll",
"dout_sclk_bus0_pll",
"dout_sclk_bus1_pll",
"dout_sclk_cc_pll",
"dout_sclk_mfc_pll";
};
|
