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99e6eaab4c
The FIMC IS camera must access the PMU (Power Management Unit) IO memory
to control camera power. This was achieved by duplicating the PMU node
as its child like:
soc@0 {
system-controller@10020000 { ... }; // Real PMU
camera@11800000 {
fimc-is@12000000 {
// FIMC IS camera node
pmu@10020000 {
reg = <0x10020000 0x3000>; // Fake PMU node
};
};
};
};
This is not a correct representation of the hardware. Mapping the PMU
(Power Management Unit) IO memory should be via syscon-like phandle
(samsung,pmu-syscon, already used for other drivers), not by duplicating
"pmu" Devicetree node inside the FIMC IS.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
225 lines
5.8 KiB
YAML
225 lines
5.8 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/media/samsung,exynos4212-fimc-is.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Samsung Exynos4212/4412 SoC Imaging Subsystem (FIMC-IS)
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maintainers:
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- Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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- Sylwester Nawrocki <s.nawrocki@samsung.com>
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description:
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The FIMC-IS is a subsystem for processing image signal from an image sensor.
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The Exynos4x12 SoC series FIMC-IS V1.5 comprises of a dedicated ARM Cortex-A5
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processor, ISP, DRC and FD IP blocks and peripheral devices such as UART, I2C
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and SPI bus controllers, PWM and ADC.
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properties:
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compatible:
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enum:
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- samsung,exynos4212-fimc-is
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reg:
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maxItems: 1
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ranges: true
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'#address-cells':
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const: 1
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'#size-cells':
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const: 1
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clocks:
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maxItems: 21
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clock-names:
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items:
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- const: lite0
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- const: lite1
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- const: ppmuispx
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- const: ppmuispmx
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- const: isp
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- const: drc
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- const: fd
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- const: mcuisp
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- const: gicisp
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- const: mcuctl_isp
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- const: pwm_isp
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- const: ispdiv0
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- const: ispdiv1
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- const: mcuispdiv0
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- const: mcuispdiv1
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- const: mpll
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- const: aclk200
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- const: aclk400mcuisp
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- const: div_aclk200
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- const: div_aclk400mcuisp
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- const: uart
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interrupts:
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maxItems: 2
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iommus:
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maxItems: 4
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iommu-names:
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items:
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- const: isp
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- const: drc
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- const: fd
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- const: mcuctl
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power-domains:
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maxItems: 1
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samsung,pmu-syscon:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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Power Management Unit (PMU) system controller interface, used to
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power/start the ISP.
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patternProperties:
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"^pmu@[0-9a-f]+$":
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type: object
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additionalProperties: false
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deprecated: true
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description:
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Node representing the SoC's Power Management Unit (duplicated with the
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correct PMU node in the SoC). Deprecated, use samsung,pmu-syscon.
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properties:
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reg:
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maxItems: 1
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required:
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- reg
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"^i2c-isp@[0-9a-f]+$":
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type: object
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$ref: /schemas/i2c/i2c-controller.yaml#
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unevaluatedProperties: false
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description:
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ISP I2C bus controller
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properties:
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compatible:
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const: samsung,exynos4212-i2c-isp
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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clock-names:
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items:
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- const: i2c_isp
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pinctrl-0: true
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pinctrl-names:
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items:
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- const: default
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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required:
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- compatible
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- reg
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- '#address-cells'
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- clocks
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- clock-names
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- interrupts
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- ranges
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- samsung,pmu-syscon
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- '#size-cells'
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/exynos4.h>
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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fimc-is@12000000 {
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compatible = "samsung,exynos4212-fimc-is";
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reg = <0x12000000 0x260000>;
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interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&isp_clock CLK_ISP_FIMC_LITE0>,
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<&isp_clock CLK_ISP_FIMC_LITE1>,
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<&isp_clock CLK_ISP_PPMUISPX>,
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<&isp_clock CLK_ISP_PPMUISPMX>,
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<&isp_clock CLK_ISP_FIMC_ISP>,
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<&isp_clock CLK_ISP_FIMC_DRC>,
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<&isp_clock CLK_ISP_FIMC_FD>,
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<&isp_clock CLK_ISP_MCUISP>,
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<&isp_clock CLK_ISP_GICISP>,
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<&isp_clock CLK_ISP_MCUCTL_ISP>,
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<&isp_clock CLK_ISP_PWM_ISP>,
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<&isp_clock CLK_ISP_DIV_ISP0>,
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<&isp_clock CLK_ISP_DIV_ISP1>,
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<&isp_clock CLK_ISP_DIV_MCUISP0>,
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<&isp_clock CLK_ISP_DIV_MCUISP1>,
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<&clock CLK_MOUT_MPLL_USER_T>,
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<&clock CLK_ACLK200>,
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<&clock CLK_ACLK400_MCUISP>,
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<&clock CLK_DIV_ACLK200>,
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<&clock CLK_DIV_ACLK400_MCUISP>,
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<&clock CLK_UART_ISP_SCLK>;
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clock-names = "lite0", "lite1", "ppmuispx",
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"ppmuispmx", "isp",
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"drc", "fd", "mcuisp",
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"gicisp", "mcuctl_isp", "pwm_isp",
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"ispdiv0", "ispdiv1", "mcuispdiv0",
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"mcuispdiv1", "mpll", "aclk200",
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"aclk400mcuisp", "div_aclk200",
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"div_aclk400mcuisp", "uart";
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iommus = <&sysmmu_fimc_isp>, <&sysmmu_fimc_drc>,
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<&sysmmu_fimc_fd>, <&sysmmu_fimc_mcuctl>;
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iommu-names = "isp", "drc", "fd", "mcuctl";
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power-domains = <&pd_isp>;
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samsung,pmu-syscon = <&pmu_system_controller>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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i2c-isp@12140000 {
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compatible = "samsung,exynos4212-i2c-isp";
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reg = <0x12140000 0x100>;
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clocks = <&isp_clock CLK_ISP_I2C1_ISP>;
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clock-names = "i2c_isp";
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pinctrl-0 = <&fimc_is_i2c1>;
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pinctrl-names = "default";
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#address-cells = <1>;
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#size-cells = <0>;
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image-sensor@10 {
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compatible = "samsung,s5k6a3";
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reg = <0x10>;
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svdda-supply = <&cam_io_reg>;
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svddio-supply = <&ldo19_reg>;
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afvdd-supply = <&ldo19_reg>;
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clock-frequency = <24000000>;
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clocks = <&camera 1>;
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clock-names = "extclk";
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gpios = <&gpm1 6 GPIO_ACTIVE_LOW>;
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port {
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endpoint {
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remote-endpoint = <&csis1_ep>;
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data-lanes = <1>;
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};
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};
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};
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};
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};
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