Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "This is all driver updates, the majority of which is a bunch of new
  Qualcomm clk drivers that dominate the diffstat because we add support
  for six SoCs from that particular vendor.

  The other big change is the removal of various clk drivers that are no
  longer used now that the kernel is dropping support for those SoCs.

  Beyond that there's the usual non-critical fixes for existing drivers
  and a good number of patches from Lee Jones that cleanup a bunch of
  W=1 enabled builds.

  Removed Drivers:
   - Remove efm32 clk driver
   - Remove tango4 clk driver
   - Remove zte zx clk driver
   - Remove sirf prima2/atlast clk drivers
   - Remove u300 clk driver

  New Drivers:
   - PLL support on MStar/SigmaStar ARMv7 SoCs
   - CPU clks for Qualcomm SDX55
   - GCC and RPMh clks for Qualcomm SC8180x and SC7280 SoCs
   - GCC clks for Qualcomm SM8350
   - GPU clks for Qualcomm SDM660/SDM630

  Updates:
   - Video clk fixups on Qualcomm SM8250
   - Improvements for multimedia clks on Qualcomm MSM8998
   - Fix many warnings with W=1 enabled builds under drivers/clk/
   - Support crystal load capacitance for Versaclock VC5
   - Add a "skip recall" DT binding for Silicon Labs' si570 to avoid
     glitches at boot
   - Convert Xilinx VCU clk driver to a proper clk provider driver
   - Expose Xilinx ZynqMP clk driver to more platforms
   - Amlogic pll driver fixup
   - Amlogic meson8b clock controller dt support clean up
   - Remove mipi clk from the Amlogic axg clock controller
   - New Rockchip rk3368 clock ids related to camera input
   - Use pr_notice() instead of pr_warn() on i.MX6Q pre-boot ldb_di_clk
     reparenting
   - A series from Liu Ying that adds some SCU clocks support for
     i.MX8qxp DC0/MIPI-LVDS subsystems
   - A series from Lucas Stach that adds PLL monitor clocks for i.MX8MQ,
     and clkout1/2 support for i.MX8MM/MN
   - Add I2c and Ethernet (RAVB) clocks on Renesas R-Car V3U
   - Add timer (TMU) clocks on most Renesas R-Car Gen3 SoCs
   - Add video-related (FCPVD/VSPD/VSPX), watchdog (RWDT), serial
     (HSCIF), pincontrol/GPIO (PFC/GPIO), SPI (MSIOF), SDHI, and DMA
     (SYS-DMAC) clocks on Renesas R-Car V3U
   - Add support for the USB 2.0 clock selector on Renesas RZ/G2 SoCs
   - Allwinner H616 SoC clk support"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (171 commits)
  clk: mstar: msc313-mpll: Fix format specifier
  clk: mstar: Allow MStar clk drivers to be compile tested
  clk: qoriq: use macros to generate pll_mask
  clk: qcom: Add Global Clock controller (GCC) driver for SC7280
  dt-bindings: clock: Add SC7280 GCC clock binding
  clk: qcom: rpmh: Add support for RPMH clocks on SC7280
  dt-bindings: clock: Add RPMHCC bindings for SC7280
  clk: qcom: gcc-sm8350: add gdsc
  dt-bindings: clock: Add QCOM SDM630 and SDM660 graphics clock bindings
  clk: qcom: Add SDM660 GPU Clock Controller (GPUCC) driver
  clk: qcom: mmcc-msm8996: Migrate gfx3d clock to clk_rcg2_gfx3d
  clk: qcom: rcg2: Stop hardcoding gfx3d pingpong parent numbers
  dt-bindings: clock: Add support for the SDM630 and SDM660 mmcc
  clk: qcom: Add SDM660 Multimedia Clock Controller (MMCC) driver
  clk: qcom: gcc-sdm660: Mark GPU CFG AHB clock as critical
  clk: qcom: gcc-sdm660: Mark MMSS NoC CFG AHB clock as critical
  clk: qcom: gpucc-msm8998: Allow fabia gpupll0 rate setting
  clk: qcom: gpucc-msm8998: Add resets, cxc, fix flags on gpu_gx_gdsc
  clk: qcom: gdsc: Implement NO_RET_PERIPH flag
  clk: mstar: MStar/SigmaStar MPLL driver
  ...
This commit is contained in:
Linus Torvalds
2021-02-22 09:45:23 -08:00
195 changed files with 21293 additions and 8996 deletions
@@ -20,6 +20,7 @@ properties:
compatible:
enum:
- adi,axi-clkgen-2.00.a
- adi,zynqmp-axi-clkgen-2.00.a
clocks:
description:
@@ -41,6 +41,8 @@ properties:
- allwinner,sun50i-h5-ccu
- allwinner,sun50i-h6-ccu
- allwinner,sun50i-h6-r-ccu
- allwinner,sun50i-h616-ccu
- allwinner,sun50i-h616-r-ccu
- allwinner,suniv-f1c100s-ccu
- nextthing,gr8-ccu
@@ -82,6 +84,7 @@ if:
- allwinner,sun50i-a64-r-ccu
- allwinner,sun50i-a100-r-ccu
- allwinner,sun50i-h6-r-ccu
- allwinner,sun50i-h616-r-ccu
then:
properties:
@@ -100,6 +103,7 @@ else:
enum:
- allwinner,sun50i-a100-ccu
- allwinner,sun50i-h6-ccu
- allwinner,sun50i-h616-ccu
then:
properties:
@@ -1,55 +0,0 @@
* Clock and reset bindings for CSR atlas7
Required properties:
- compatible: Should be "sirf,atlas7-car"
- reg: Address and length of the register set
- #clock-cells: Should be <1>
- #reset-cells: Should be <1>
The clock consumer should specify the desired clock by having the clock
ID in its "clocks" phandle cell.
The ID list atlas7_clks defined in drivers/clk/sirf/clk-atlas7.c
The reset consumer should specify the desired reset by having the reset
ID in its "reset" phandle cell.
The ID list atlas7_reset_unit defined in drivers/clk/sirf/clk-atlas7.c
Examples: Clock and reset controller node:
car: clock-controller@18620000 {
compatible = "sirf,atlas7-car";
reg = <0x18620000 0x1000>;
#clock-cells = <1>;
#reset-cells = <1>;
};
Examples: Consumers using clock or reset:
timer@10dc0000 {
compatible = "sirf,macro-tick";
reg = <0x10dc0000 0x1000>;
clocks = <&car 54>;
interrupts = <0 0 0>,
<0 1 0>,
<0 2 0>,
<0 49 0>,
<0 50 0>,
<0 51 0>;
};
uart1: uart@18020000 {
cell-index = <1>;
compatible = "sirf,macro-uart";
reg = <0x18020000 0x1000>;
clocks = <&clks 95>;
interrupts = <0 18 0>;
fifosize = <32>;
};
vpp@13110000 {
compatible = "sirf,prima2-vpp";
reg = <0x13110000 0x10000>;
interrupts = <0 31 0>;
clocks = <&car 85>;
resets = <&car 29>;
};
@@ -59,6 +59,12 @@ properties:
minItems: 1
maxItems: 2
idt,xtal-load-femtofarads:
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 9000
maximum: 22760
description: Optional load capacitor for XTAL1 and XTAL2
patternProperties:
"^OUT[1-4]$":
type: object
@@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: Clock bindings for Freescale i.MX27
maintainers:
- Fabio Estevam <fabio.estevam@nxp.com>
- Fabio Estevam <festevam@gmail.com>
description: |
The clock consumer should specify the desired clock by having the clock
@@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: Clock bindings for Freescale i.MX31
maintainers:
- Fabio Estevam <fabio.estevam@nxp.com>
- Fabio Estevam <festevam@gmail.com>
description: |
The clock consumer should specify the desired clock by having the clock
@@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: Clock bindings for Freescale i.MX5
maintainers:
- Fabio Estevam <fabio.estevam@nxp.com>
- Fabio Estevam <festevam@gmail.com>
description: |
The clock consumer should specify the desired clock by having the clock
@@ -0,0 +1,46 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/intel,easic-n5x.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Intel SoCFPGA eASIC N5X platform clock controller binding
maintainers:
- Dinh Nguyen <dinguyen@kernel.org>
description:
The Intel eASIC N5X Clock controller is an integrated clock controller, which
generates and supplies to all modules.
properties:
compatible:
const: intel,easic-n5x-clkmgr
'#clock-cells':
const: 1
reg:
maxItems: 1
clocks:
maxItems: 1
required:
- compatible
- reg
- clocks
- '#clock-cells'
additionalProperties: false
examples:
# Clock controller node:
- |
clkmgr: clock-controller@ffd10000 {
compatible = "intel,easic-n5x-clkmgr";
reg = <0xffd10000 0x1000>;
clocks = <&osc1>;
#clock-cells = <1>;
};
...
@@ -0,0 +1,46 @@
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/mstar,msc313-mpll.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: MStar/Sigmastar MSC313 MPLL
maintainers:
- Daniel Palmer <daniel@thingy.jp>
description: |
The MStar/SigmaStar MSC313 and later ARMv7 chips have an MPLL block that
takes the external xtal input and multiplies it to create a high
frequency clock and divides that down into a number of clocks that
peripherals use.
properties:
compatible:
const: mstar,msc313-mpll
"#clock-cells":
const: 1
clocks:
maxItems: 1
reg:
maxItems: 1
required:
- compatible
- "#clock-cells"
- clocks
- reg
additionalProperties: false
examples:
- |
mpll@206000 {
compatible = "mstar,msc313-mpll";
reg = <0x206000 0x200>;
#clock-cells = <1>;
clocks = <&xtal>;
};
@@ -1,73 +0,0 @@
* Clock bindings for CSR SiRFprimaII
Required properties:
- compatible: Should be "sirf,prima2-clkc"
- reg: Address and length of the register set
- interrupts: Should contain clock controller interrupt
- #clock-cells: Should be <1>
The clock consumer should specify the desired clock by having the clock
ID in its "clocks" phandle cell. The following is a full list of prima2
clocks and IDs.
Clock ID
---------------------------
rtc 0
osc 1
pll1 2
pll2 3
pll3 4
mem 5
sys 6
security 7
dsp 8
gps 9
mf 10
io 11
cpu 12
uart0 13
uart1 14
uart2 15
tsc 16
i2c0 17
i2c1 18
spi0 19
spi1 20
pwmc 21
efuse 22
pulse 23
dmac0 24
dmac1 25
nand 26
audio 27
usp0 28
usp1 29
usp2 30
vip 31
gfx 32
mm 33
lcd 34
vpp 35
mmc01 36
mmc23 37
mmc45 38
usbpll 39
usb0 40
usb1 41
Examples:
clks: clock-controller@88000000 {
compatible = "sirf,prima2-clkc";
reg = <0x88000000 0x1000>;
interrupts = <3>;
#clock-cells = <1>;
};
i2c0: i2c@b00e0000 {
cell-index = <0>;
compatible = "sirf,prima2-i2c";
reg = <0xb00e0000 0x10000>;
interrupts = <24>;
clocks = <&clks 17>;
};
@@ -0,0 +1,51 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/qcom,a7pll.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm A7 PLL Binding
maintainers:
- Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
description:
The A7 PLL on the Qualcomm platforms like SDX55 is used to provide high
frequency clock to the CPU.
properties:
compatible:
enum:
- qcom,sdx55-a7pll
reg:
maxItems: 1
'#clock-cells':
const: 0
clocks:
items:
- description: board XO clock
clock-names:
items:
- const: bi_tcxo
required:
- compatible
- reg
- '#clock-cells'
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/qcom,rpmh.h>
a7pll: clock@17808000 {
compatible = "qcom,sdx55-a7pll";
reg = <0x17808000 0x1000>;
clocks = <&rpmhcc RPMH_CXO_CLK>;
clock-names = "bi_tcxo";
#clock-cells = <0>;
};
@@ -0,0 +1,92 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/qcom,gcc-sc7280.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Global Clock & Reset Controller Binding for SC7280
maintainers:
- Taniya Das <tdas@codeaurora.org>
description: |
Qualcomm global clock control module which supports the clocks, resets and
power domains on SC7280.
See also:
- dt-bindings/clock/qcom,gcc-sc7280.h
properties:
compatible:
const: qcom,gcc-sc7280
clocks:
items:
- description: Board XO source
- description: Board active XO source
- description: Sleep clock source
- description: PCIE-0 pipe clock source
- description: PCIE-1 pipe clock source
- description: USF phy rx symbol 0 clock source
- description: USF phy rx symbol 1 clock source
- description: USF phy tx symbol 0 clock source
- description: USB30 phy wrapper pipe clock source
clock-names:
items:
- const: bi_tcxo
- const: bi_tcxo_ao
- const: sleep_clk
- const: pcie_0_pipe_clk
- const: pcie_1_pipe_clk
- const: ufs_phy_rx_symbol_0_clk
- const: ufs_phy_rx_symbol_1_clk
- const: ufs_phy_tx_symbol_0_clk
- const: usb3_phy_wrapper_gcc_usb30_pipe_clk
'#clock-cells':
const: 1
'#reset-cells':
const: 1
'#power-domain-cells':
const: 1
reg:
maxItems: 1
required:
- compatible
- clocks
- clock-names
- reg
- '#clock-cells'
- '#reset-cells'
- '#power-domain-cells'
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/qcom,rpmh.h>
clock-controller@100000 {
compatible = "qcom,gcc-sc7280";
reg = <0x00100000 0x1f0000>;
clocks = <&rpmhcc RPMH_CXO_CLK>,
<&rpmhcc RPMH_CXO_CLK_A>,
<&sleep_clk>,
<&pcie_0_pipe_clk>, <&pcie_1_pipe_clk>,
<&ufs_phy_rx_symbol_0_clk>, <&ufs_phy_rx_symbol_1_clk>,
<&ufs_phy_tx_symbol_0_clk>,
<&usb3_phy_wrapper_gcc_usb30_pipe_clk>;
clock-names = "bi_tcxo", "bi_tcxo_ao", "sleep_clk", "pcie_0_pipe_clk",
"pcie_1_pipe_clk", "ufs_phy_rx_symbol_0_clk",
"ufs_phy_rx_symbol_1_clk", "ufs_phy_tx_symbol_0_clk",
"usb3_phy_wrapper_gcc_usb30_pipe_clk";
#clock-cells = <1>;
#reset-cells = <1>;
#power-domain-cells = <1>;
};
...
@@ -0,0 +1,76 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/qcom,gcc-sc8180x.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Global Clock & Reset Controller Binding for SC8180x
maintainers:
- Bjorn Andersson <bjorn.andersson@linaro.org>
description: |
Qualcomm global clock control module which supports the clocks, resets and
power domains on SC8180x.
See also:
- dt-bindings/clock/qcom,gcc-sc8180x.h
properties:
compatible:
const: qcom,gcc-sc8180x
clocks:
items:
- description: Board XO source
- description: Board active XO source
- description: Sleep clock source
clock-names:
items:
- const: bi_tcxo
- const: bi_tcxo_ao
- const: sleep_clk
'#clock-cells':
const: 1
'#reset-cells':
const: 1
'#power-domain-cells':
const: 1
reg:
maxItems: 1
protected-clocks:
description:
Protected clock specifier list as per common clock binding.
required:
- compatible
- clocks
- clock-names
- reg
- '#clock-cells'
- '#reset-cells'
- '#power-domain-cells'
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/qcom,rpmh.h>
clock-controller@100000 {
compatible = "qcom,gcc-sc8180x";
reg = <0x00100000 0x1f0000>;
clocks = <&rpmhcc RPMH_CXO_CLK>,
<&rpmhcc RPMH_CXO_CLK_A>,
<&sleep_clk>;
clock-names = "bi_tcxo", "bi_tcxo_ao", "sleep_clk";
#clock-cells = <1>;
#reset-cells = <1>;
#power-domain-cells = <1>;
};
...
@@ -0,0 +1,96 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/qcom,gcc-sm8350.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Global Clock & Reset Controller Binding for SM8350
maintainers:
- Vinod Koul <vkoul@kernel.org>
description: |
Qualcomm global clock control module which supports the clocks, resets and
power domains on SM8350.
See also:
- dt-bindings/clock/qcom,gcc-sm8350.h
properties:
compatible:
const: qcom,gcc-sm8350
clocks:
items:
- description: Board XO source
- description: Sleep clock source
- description: PLL test clock source (Optional clock)
- description: PCIE 0 Pipe clock source (Optional clock)
- description: PCIE 1 Pipe clock source (Optional clock)
- description: UFS card Rx symbol 0 clock source (Optional clock)
- description: UFS card Rx symbol 1 clock source (Optional clock)
- description: UFS card Tx symbol 0 clock source (Optional clock)
- description: UFS phy Rx symbol 0 clock source (Optional clock)
- description: UFS phy Rx symbol 1 clock source (Optional clock)
- description: UFS phy Tx symbol 0 clock source (Optional clock)
- description: USB3 phy wrapper pipe clock source (Optional clock)
- description: USB3 phy sec pipe clock source (Optional clock)
minItems: 2
maxItems: 13
clock-names:
items:
- const: bi_tcxo
- const: sleep_clk
- const: core_bi_pll_test_se # Optional clock
- const: pcie_0_pipe_clk # Optional clock
- const: pcie_1_pipe_clk # Optional clock
- const: ufs_card_rx_symbol_0_clk # Optional clock
- const: ufs_card_rx_symbol_1_clk # Optional clock
- const: ufs_card_tx_symbol_0_clk # Optional clock
- const: ufs_phy_rx_symbol_0_clk # Optional clock
- const: ufs_phy_rx_symbol_1_clk # Optional clock
- const: ufs_phy_tx_symbol_0_clk # Optional clock
- const: usb3_phy_wrapper_gcc_usb30_pipe_clk # Optional clock
- const: usb3_uni_phy_sec_gcc_usb30_pipe_clk # Optional clock
minItems: 2
maxItems: 13
'#clock-cells':
const: 1
'#reset-cells':
const: 1
'#power-domain-cells':
const: 1
reg:
maxItems: 1
required:
- compatible
- clocks
- clock-names
- reg
- '#clock-cells'
- '#reset-cells'
- '#power-domain-cells'
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/qcom,rpmh.h>
clock-controller@100000 {
compatible = "qcom,gcc-sm8350";
reg = <0x00100000 0x1f0000>;
clocks = <&rpmhcc RPMH_CXO_CLK>,
<&sleep_clk>;
clock-names = "bi_tcxo", "sleep_clk";
#clock-cells = <1>;
#reset-cells = <1>;
#power-domain-cells = <1>;
};
...
@@ -0,0 +1,76 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/qcom,gpucc-sdm660.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Graphics Clock & Reset Controller Binding for SDM630 and SDM660
maintainers:
- AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
description: |
Qualcomm graphics clock control module which supports the clocks, resets and
power domains on SDM630 and SDM660.
See also dt-bindings/clock/qcom,gpucc-sdm660.h.
properties:
compatible:
enum:
- qcom,gpucc-sdm630
- qcom,gpucc-sdm660
clocks:
items:
- description: Board XO source
- description: GPLL0 main gpu branch
- description: GPLL0 divider gpu branch
clock-names:
items:
- const: xo
- const: gcc_gpu_gpll0_clk
- const: gcc_gpu_gpll0_div_clk
'#clock-cells':
const: 1
'#reset-cells':
const: 1
'#power-domain-cells':
const: 1
reg:
maxItems: 1
required:
- compatible
- reg
- clocks
- clock-names
- '#clock-cells'
- '#reset-cells'
- '#power-domain-cells'
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/qcom,gcc-sdm660.h>
#include <dt-bindings/clock/qcom,rpmcc.h>
clock-controller@5065000 {
compatible = "qcom,gpucc-sdm660";
reg = <0x05065000 0x9038>;
clocks = <&rpmcc RPM_SMD_XO_CLK_SRC>,
<&gcc GCC_GPU_GPLL0_CLK>,
<&gcc GCC_GPU_GPLL0_DIV_CLK>;
clock-names = "xo", "gcc_gpu_gpll0_clk",
"gcc_gpu_gpll0_div_clk";
#clock-cells = <1>;
#power-domain-cells = <1>;
#reset-cells = <1>;
};
...
@@ -24,6 +24,8 @@ properties:
- qcom,mmcc-msm8974
- qcom,mmcc-msm8996
- qcom,mmcc-msm8998
- qcom,mmcc-sdm630
- qcom,mmcc-sdm660
clocks:
items:
@@ -18,6 +18,8 @@ properties:
compatible:
enum:
- qcom,sc7180-rpmh-clk
- qcom,sc7280-rpmh-clk
- qcom,sc8180x-rpmh-clk
- qcom,sdm845-rpmh-clk
- qcom,sdx55-rpmh-clk
- qcom,sm8150-rpmh-clk
@@ -35,6 +35,9 @@ properties:
compatible:
items:
- enum:
- renesas,r8a774a1-rcar-usb2-clock-sel # RZ/G2M
- renesas,r8a774b1-rcar-usb2-clock-sel # RZ/G2N
- renesas,r8a774e1-rcar-usb2-clock-sel # RZ/G2H
- renesas,r8a7795-rcar-usb2-clock-sel # R-Car H3
- renesas,r8a7796-rcar-usb2-clock-sel # R-Car M3-W
- renesas,r8a77961-rcar-usb2-clock-sel # R-Car M3-W+
@@ -28,6 +28,8 @@ Optional properties:
- clock-frequency: Output frequency to generate. This defines the output
frequency set during boot. It can be reprogrammed during
runtime through the common clock framework.
- silabs,skip-recall: Do not perform NVM->RAM recall operation. It will rely
on hardware loading of RAM from NVM at power on.
Example:
si570: clock-generator@5d {
@@ -1,80 +0,0 @@
Clock bindings for ST-Ericsson U300 System Controller Clocks
Bindings for the gated system controller clocks:
Required properties:
- compatible: must be "stericsson,u300-syscon-clk"
- #clock-cells: must be <0>
- clock-type: specifies the type of clock:
0 = slow clock
1 = fast clock
2 = rest/remaining clock
- clock-id: specifies the clock in the type range
Optional properties:
- clocks: parent clock(s)
The available clocks per type are as follows:
Type: ID: Clock:
-------------------
0 0 Slow peripheral bridge clock
0 1 UART0 clock
0 4 GPIO clock
0 6 RTC clock
0 7 Application timer clock
0 8 Access timer clock
1 0 Fast peripheral bridge clock
1 1 I2C bus 0 clock
1 2 I2C bus 1 clock
1 5 MMC interface peripheral (silicon) clock
1 6 SPI clock
2 3 CPU clock
2 4 DMA controller clock
2 5 External Memory Interface (EMIF) clock
2 6 NAND flask interface clock
2 8 XGAM graphics engine clock
2 9 Shared External Memory Interface (SEMI) clock
2 10 AHB Subsystem Bridge clock
2 12 Interrupt controller clock
Example:
gpio_clk: gpio_clk@13M {
#clock-cells = <0>;
compatible = "stericsson,u300-syscon-clk";
clock-type = <0>; /* Slow */
clock-id = <4>;
clocks = <&slow_clk>;
};
gpio: gpio@c0016000 {
compatible = "stericsson,gpio-coh901";
(...)
clocks = <&gpio_clk>;
};
Bindings for the MMC/SD card clock:
Required properties:
- compatible: must be "stericsson,u300-syscon-mclk"
- #clock-cells: must be <0>
Optional properties:
- clocks: parent clock(s)
mmc_mclk: mmc_mclk {
#clock-cells = <0>;
compatible = "stericsson,u300-syscon-mclk";
clocks = <&mmc_pclk>;
};
mmcsd: mmcsd@c0001000 {
compatible = "arm,pl18x", "arm,primecell";
clocks = <&mmc_pclk>, <&mmc_mclk>;
clock-names = "apb_pclk", "mclk";
(...)
};

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