diff options
Diffstat (limited to 'Documentation/devicetree/bindings/clock')
8 files changed, 211 insertions, 330 deletions
diff --git a/Documentation/devicetree/bindings/clock/arm-integrator.txt b/Documentation/devicetree/bindings/clock/arm-integrator.txt index 4458d46eab69..11f5f95f571b 100644 --- a/Documentation/devicetree/bindings/clock/arm-integrator.txt +++ b/Documentation/devicetree/bindings/clock/arm-integrator.txt @@ -1,4 +1,4 @@ -Clock bindings for ARM Integrator Core Module clocks +Clock bindings for ARM Integrator and Versatile Core Module clocks Auxiliary Oscillator Clock @@ -12,7 +12,7 @@ parent node. Required properties: -- compatible: must be "arm,integrator-cm-auxosc" +- compatible: must be "arm,integrator-cm-auxosc" or "arm,versatile-cm-auxosc" - #clock-cells: must be <0> Optional properties: diff --git a/Documentation/devicetree/bindings/clock/clk-s5pv210-audss.txt b/Documentation/devicetree/bindings/clock/clk-s5pv210-audss.txt new file mode 100644 index 000000000000..4fc869b69d4a --- /dev/null +++ b/Documentation/devicetree/bindings/clock/clk-s5pv210-audss.txt @@ -0,0 +1,53 @@ +* Samsung Audio Subsystem Clock Controller + +The Samsung Audio Subsystem clock controller generates and supplies clocks +to Audio Subsystem block available in the S5PV210 and compatible SoCs. + +Required Properties: + +- compatible: should be "samsung,s5pv210-audss-clock". +- reg: physical base address and length of the controller's register set. + +- #clock-cells: should be 1. + +- clocks: + - hclk: AHB bus clock of the Audio Subsystem. + - xxti: Optional fixed rate PLL reference clock, parent of mout_audss. If + not specified (i.e. xusbxti is used for PLL reference), it is fixed to + a clock named "xxti". + - fout_epll: Input PLL to the AudioSS block, parent of mout_audss. + - iiscdclk0: Optional external i2s clock, parent of mout_i2s. If not + specified, it is fixed to a clock named "iiscdclk0". + - sclk_audio0: Audio bus clock, parent of mout_i2s. + +- clock-names: Aliases for the above clocks. They should be "hclk", + "xxti", "fout_epll", "iiscdclk0", and "sclk_audio0" respectively. + +All available clocks are defined as preprocessor macros in +dt-bindings/clock/s5pv210-audss-clk.h header and can be used in device +tree sources. + +Example: Clock controller node. + + clk_audss: clock-controller@c0900000 { + compatible = "samsung,s5pv210-audss-clock"; + reg = <0xc0900000 0x1000>; + #clock-cells = <1>; + clock-names = "hclk", "xxti", + "fout_epll", "sclk_audio0"; + clocks = <&clocks DOUT_HCLKP>, <&xxti>, + <&clocks FOUT_EPLL>, <&clocks SCLK_AUDIO0>; + }; + +Example: I2S controller node that consumes the clock generated by the clock + controller. Refer to the standard clock bindings for information + about 'clocks' and 'clock-names' property. + + i2s0: i2s@03830000 { + /* ... */ + clock-names = "iis", "i2s_opclk0", + "i2s_opclk1"; + clocks = <&clk_audss CLK_I2S>, <&clk_audss CLK_I2S>, + <&clk_audss CLK_DOUT_AUD_BUS>; + /* ... */ + }; diff --git a/Documentation/devicetree/bindings/clock/imx1-clock.txt b/Documentation/devicetree/bindings/clock/imx1-clock.txt new file mode 100644 index 000000000000..b7adf4e3ea98 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/imx1-clock.txt @@ -0,0 +1,26 @@ +* Clock bindings for Freescale i.MX1 CPUs + +Required properties: +- compatible: Should be "fsl,imx1-ccm". +- reg: Address and length of the register set. +- #clock-cells: Should be <1>. + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx1-clock.h +for the full list of i.MX1 clock IDs. + +Examples: + clks: ccm@0021b000 { + #clock-cells = <1>; + compatible = "fsl,imx1-ccm"; + reg = <0x0021b000 0x1000>; + }; + + pwm: pwm@00208000 { + #pwm-cells = <2>; + compatible = "fsl,imx1-pwm"; + reg = <0x00208000 0x1000>; + interrupts = <34>; + clocks = <&clks IMX1_CLK_DUMMY>, <&clks IMX1_CLK_PER1>; + clock-names = "ipg", "per"; + }; diff --git a/Documentation/devicetree/bindings/clock/imx21-clock.txt b/Documentation/devicetree/bindings/clock/imx21-clock.txt new file mode 100644 index 000000000000..c3b0db437c48 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/imx21-clock.txt @@ -0,0 +1,28 @@ +* Clock bindings for Freescale i.MX21 + +Required properties: +- compatible : Should be "fsl,imx21-ccm". +- reg : Address and length of the register set. +- interrupts : Should contain CCM interrupt. +- #clock-cells: Should be <1>. + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx21-clock.h +for the full list of i.MX21 clock IDs. + +Examples: + clks: ccm@10027000{ + compatible = "fsl,imx21-ccm"; + reg = <0x10027000 0x800>; + #clock-cells = <1>; + }; + + uart1: serial@1000a000 { + compatible = "fsl,imx21-uart"; + reg = <0x1000a000 0x1000>; + interrupts = <20>; + clocks = <&clks IMX21_CLK_UART1_IPG_GATE>, + <&clks IMX21_CLK_PER1>; + clock-names = "ipg", "per"; + status = "disabled"; + }; diff --git a/Documentation/devicetree/bindings/clock/imx27-clock.txt b/Documentation/devicetree/bindings/clock/imx27-clock.txt index 6bc9fd2c6631..cc05de9ec393 100644 --- a/Documentation/devicetree/bindings/clock/imx27-clock.txt +++ b/Documentation/devicetree/bindings/clock/imx27-clock.txt @@ -7,117 +7,22 @@ Required properties: - #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 i.MX27 -clocks and IDs. - - Clock ID - ----------------------- - dummy 0 - ckih 1 - ckil 2 - mpll 3 - spll 4 - mpll_main2 5 - ahb 6 - ipg 7 - nfc_div 8 - per1_div 9 - per2_div 10 - per3_div 11 - per4_div 12 - vpu_sel 13 - vpu_div 14 - usb_div 15 - cpu_sel 16 - clko_sel 17 - cpu_div 18 - clko_div 19 - ssi1_sel 20 - ssi2_sel 21 - ssi1_div 22 - ssi2_div 23 - clko_en 24 - ssi2_ipg_gate 25 - ssi1_ipg_gate 26 - slcdc_ipg_gate 27 - sdhc3_ipg_gate 28 - sdhc2_ipg_gate 29 - sdhc1_ipg_gate 30 - scc_ipg_gate 31 - sahara_ipg_gate 32 - rtc_ipg_gate 33 - pwm_ipg_gate 34 - owire_ipg_gate 35 - lcdc_ipg_gate 36 - kpp_ipg_gate 37 - iim_ipg_gate 38 - i2c2_ipg_gate 39 - i2c1_ipg_gate 40 - gpt6_ipg_gate 41 - gpt5_ipg_gate 42 - gpt4_ipg_gate 43 - gpt3_ipg_gate 44 - gpt2_ipg_gate 45 - gpt1_ipg_gate 46 - gpio_ipg_gate 47 - fec_ipg_gate 48 - emma_ipg_gate 49 - dma_ipg_gate 50 - cspi3_ipg_gate 51 - cspi2_ipg_gate 52 - cspi1_ipg_gate 53 - nfc_baud_gate 54 - ssi2_baud_gate 55 - ssi1_baud_gate 56 - vpu_baud_gate 57 - per4_gate 58 - per3_gate 59 - per2_gate 60 - per1_gate 61 - usb_ahb_gate 62 - slcdc_ahb_gate 63 - sahara_ahb_gate 64 - lcdc_ahb_gate 65 - vpu_ahb_gate 66 - fec_ahb_gate 67 - emma_ahb_gate 68 - emi_ahb_gate 69 - dma_ahb_gate 70 - csi_ahb_gate 71 - brom_ahb_gate 72 - ata_ahb_gate 73 - wdog_ipg_gate 74 - usb_ipg_gate 75 - uart6_ipg_gate 76 - uart5_ipg_gate 77 - uart4_ipg_gate 78 - uart3_ipg_gate 79 - uart2_ipg_gate 80 - uart1_ipg_gate 81 - ckih_div1p5 82 - fpm 83 - mpll_osc_sel 84 - mpll_sel 85 - spll_gate 86 - mshc_div 87 - rtic_ipg_gate 88 - mshc_ipg_gate 89 - rtic_ahb_gate 90 - mshc_baud_gate 91 +ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx27-clock.h +for the full list of i.MX27 clock IDs. Examples: + clks: ccm@10027000{ + compatible = "fsl,imx27-ccm"; + reg = <0x10027000 0x1000>; + #clock-cells = <1>; + }; -clks: ccm@10027000{ - compatible = "fsl,imx27-ccm"; - reg = <0x10027000 0x1000>; - #clock-cells = <1>; -}; - -uart1: serial@1000a000 { - compatible = "fsl,imx27-uart", "fsl,imx21-uart"; - reg = <0x1000a000 0x1000>; - interrupts = <20>; - clocks = <&clks 81>, <&clks 61>; - clock-names = "ipg", "per"; - status = "disabled"; -}; + uart1: serial@1000a000 { + compatible = "fsl,imx27-uart", "fsl,imx21-uart"; + reg = <0x1000a000 0x1000>; + interrupts = <20>; + clocks = <&clks IMX27_CLK_UART1_IPG_GATE>, + <&clks IMX27_CLK_PER1_GATE>; + clock-names = "ipg", "per"; + status = "disabled"; + }; diff --git a/Documentation/devicetree/bindings/clock/imx6q-clock.txt b/Documentation/devicetree/bindings/clock/imx6q-clock.txt index 90ec91fe5ce0..9252912a5b0e 100644 --- a/Documentation/devicetree/bindings/clock/imx6q-clock.txt +++ b/Documentation/devicetree/bindings/clock/imx6q-clock.txt @@ -7,223 +7,13 @@ Required properties: - #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 i.MX6Q -clocks and IDs. - - Clock ID - --------------------------- - dummy 0 - ckil 1 - ckih 2 - osc 3 - pll2_pfd0_352m 4 - pll2_pfd1_594m 5 - pll2_pfd2_396m 6 - pll3_pfd0_720m 7 - pll3_pfd1_540m 8 - pll3_pfd2_508m 9 - pll3_pfd3_454m 10 - pll2_198m 11 - pll3_120m 12 - pll3_80m 13 - pll3_60m 14 - twd 15 - step 16 - pll1_sw 17 - periph_pre 18 - periph2_pre 19 - periph_clk2_sel 20 - periph2_clk2_sel 21 - axi_sel 22 - esai_sel 23 - asrc_sel 24 - spdif_sel 25 - gpu2d_axi 26 - gpu3d_axi 27 - gpu2d_core_sel 28 - gpu3d_core_sel 29 - gpu3d_shader_sel 30 - ipu1_sel 31 - ipu2_sel 32 - ldb_di0_sel 33 - ldb_di1_sel 34 - ipu1_di0_pre_sel 35 - ipu1_di1_pre_sel 36 - ipu2_di0_pre_sel 37 - ipu2_di1_pre_sel 38 - ipu1_di0_sel 39 - ipu1_di1_sel 40 - ipu2_di0_sel 41 - ipu2_di1_sel 42 - hsi_tx_sel 43 - pcie_axi_sel 44 - ssi1_sel 45 - ssi2_sel 46 - ssi3_sel 47 - usdhc1_sel 48 - usdhc2_sel 49 - usdhc3_sel 50 - usdhc4_sel 51 - enfc_sel 52 - emi_sel 53 - emi_slow_sel 54 - vdo_axi_sel 55 - vpu_axi_sel 56 - cko1_sel 57 - periph 58 - periph2 59 - periph_clk2 60 - periph2_clk2 61 - ipg 62 - ipg_per 63 - esai_pred 64 - esai_podf 65 - asrc_pred 66 - asrc_podf 67 - spdif_pred 68 - spdif_podf 69 - can_root 70 - ecspi_root 71 - gpu2d_core_podf 72 - gpu3d_core_podf 73 - gpu3d_shader 74 - ipu1_podf 75 - ipu2_podf 76 - ldb_di0_podf 77 - ldb_di1_podf 78 - ipu1_di0_pre 79 - ipu1_di1_pre 80 - ipu2_di0_pre 81 - ipu2_di1_pre 82 - hsi_tx_podf 83 - ssi1_pred 84 - ssi1_podf 85 - ssi2_pred 86 - ssi2_podf 87 - ssi3_pred 88 - ssi3_podf 89 - uart_serial_podf 90 - usdhc1_podf 91 - usdhc2_podf 92 - usdhc3_podf 93 - usdhc4_podf 94 - enfc_pred 95 - enfc_podf 96 - emi_podf 97 - emi_slow_podf 98 - vpu_axi_podf 99 - cko1_podf 100 - axi 101 - mmdc_ch0_axi_podf 102 - mmdc_ch1_axi_podf 103 - arm 104 - ahb 105 - apbh_dma 106 - asrc 107 - can1_ipg 108 - can1_serial 109 - can2_ipg 110 - can2_serial 111 - ecspi1 112 - ecspi2 113 - ecspi3 114 - ecspi4 115 - ecspi5 116 - enet 117 - esai 118 - gpt_ipg 119 - gpt_ipg_per 120 - gpu2d_core 121 - gpu3d_core 122 - hdmi_iahb 123 - hdmi_isfr 124 - i2c1 125 - i2c2 126 - i2c3 127 - iim 128 - enfc 129 - ipu1 130 - ipu1_di0 131 - ipu1_di1 132 - ipu2 133 - ipu2_di0 134 - ldb_di0 135 - ldb_di1 136 - ipu2_di1 137 - hsi_tx 138 - mlb 139 - mmdc_ch0_axi 140 - mmdc_ch1_axi 141 - ocram 142 - openvg_axi 143 - pcie_axi 144 - pwm1 145 - pwm2 146 - pwm3 147 - pwm4 148 - per1_bch 149 - gpmi_bch_apb 150 - gpmi_bch 151 - gpmi_io 152 - gpmi_apb 153 - sata 154 - sdma 155 - spba 156 - ssi1 157 - ssi2 158 - ssi3 159 - uart_ipg 160 - uart_serial 161 - usboh3 162 - usdhc1 163 - usdhc2 164 - usdhc3 165 - usdhc4 166 - vdo_axi 167 - vpu_axi 168 - cko1 169 - pll1_sys 170 - pll2_bus 171 - pll3_usb_otg 172 - pll4_audio 173 - pll5_video 174 - pll8_mlb 175 - pll7_usb_host 176 - pll6_enet 177 - ssi1_ipg 178 - ssi2_ipg 179 - ssi3_ipg 180 - rom 181 - usbphy1 182 - usbphy2 183 - ldb_di0_div_3_5 184 - ldb_di1_div_3_5 185 - sata_ref 186 - sata_ref_100m 187 - pcie_ref 188 - pcie_ref_125m 189 - enet_ref 190 - usbphy1_gate 191 - usbphy2_gate 192 - pll4_post_div 193 - pll5_post_div 194 - pll5_video_div 195 - eim_slow 196 - spdif 197 - cko2_sel 198 - cko2_podf 199 - cko2 200 - cko 201 - vdoa 202 - pll4_audio_div 203 - lvds1_sel 204 - lvds2_sel 205 - lvds1_gate 206 - lvds2_gate 207 - esai_ahb 208 +ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx6qdl-clock.h +for the full list of i.MX6 Quad and DualLite clock IDs. Examples: +#include <dt-bindings/clock/imx6qdl-clock.h> + clks: ccm@020c4000 { compatible = "fsl,imx6q-ccm"; reg = <0x020c4000 0x4000>; @@ -235,7 +25,7 @@ uart1: serial@02020000 { compatible = "fsl,imx6q-uart", "fsl,imx21-uart"; reg = <0x02020000 0x4000>; interrupts = <0 26 0x04>; - clocks = <&clks 160>, <&clks 161>; + clocks = <&clks IMX6QDL_CLK_UART_IPG>, <&clks IMX6QDL_CLK_UART_SERIAL>; clock-names = "ipg", "per"; status = "disabled"; }; diff --git a/Documentation/devicetree/bindings/clock/mvebu-cpu-clock.txt b/Documentation/devicetree/bindings/clock/mvebu-cpu-clock.txt index feb830130714..99c214660bdc 100644 --- a/Documentation/devicetree/bindings/clock/mvebu-cpu-clock.txt +++ b/Documentation/devicetree/bindings/clock/mvebu-cpu-clock.txt @@ -3,14 +3,15 @@ Device Tree Clock bindings for cpu clock of Marvell EBU platforms Required properties: - compatible : shall be one of the following: "marvell,armada-xp-cpu-clock" - cpu clocks for Armada XP -- reg : Address and length of the clock complex register set +- reg : Address and length of the clock complex register set, followed + by address and length of the PMU DFS registers - #clock-cells : should be set to 1. - clocks : shall be the input parent clock phandle for the clock. cpuclk: clock-complex@d0018700 { #clock-cells = <1>; compatible = "marvell,armada-xp-cpu-clock"; - reg = <0xd0018700 0xA0>; + reg = <0xd0018700 0xA0>, <0x1c054 0x10>; clocks = <&coreclk 1>; } diff --git a/Documentation/devicetree/bindings/clock/samsung,s5pv210-clock.txt b/Documentation/devicetree/bindings/clock/samsung,s5pv210-clock.txt new file mode 100644 index 000000000000..effd9401c133 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/samsung,s5pv210-clock.txt @@ -0,0 +1,78 @@ +* Samsung S5P6442/S5PC110/S5PV210 Clock Controller + +Samsung S5P6442, S5PC110 and S5PV210 SoCs contain integrated clock +controller, which generates and supplies clock to various controllers +within the SoC. + +Required Properties: + +- compatible: should be one of following: + - "samsung,s5pv210-clock" : for clock controller of Samsung + S5PC110/S5PV210 SoCs, + - "samsung,s5p6442-clock" : for clock controller of Samsung + S5P6442 SoC. + +- reg: physical base address of the controller and length of memory mapped + region. + +- #clock-cells: should be 1. + +All available clocks are defined as preprocessor macros in +dt-bindings/clock/s5pv210.h header and can be used in device tree sources. + +External clocks: + +There are several clocks that are generated outside the SoC. It is expected +that they are defined using standard clock bindings with following +clock-output-names: + - "xxti": external crystal oscillator connected to XXTI and XXTO pins of +the SoC, + - "xusbxti": external crystal oscillator connected to XUSBXTI and XUSBXTO +pins of the SoC, + +A subset of above clocks available on given board shall be specified in +board device tree, including the system base clock, as selected by XOM[0] +pin of the SoC. Refer to generic fixed rate clock bindings +documentation[1] for more information how to specify these clocks. + +[1] Documentation/devicetree/bindings/clock/fixed-clock.txt + +Example: Clock controller node: + + clock: clock-controller@7e00f000 { + compatible = "samsung,s5pv210-clock"; + reg = <0x7e00f000 0x1000>; + #clock-cells = <1>; + }; + +Example: Required external clocks: + + xxti: clock-xxti { + compatible = "fixed-clock"; + clock-output-names = "xxti"; + clock-frequency = <24000000>; + #clock-cells = <0>; + }; + + xusbxti: clock-xusbxti { + compatible = "fixed-clock"; + clock-output-names = "xusbxti"; + clock-frequency = <24000000>; + #clock-cells = <0>; + }; + +Example: UART controller node that consumes the clock generated by the clock + controller (refer to the standard clock bindings for information about + "clocks" and "clock-names" properties): + + uart0: serial@e2900000 { + compatible = "samsung,s5pv210-uart"; + reg = <0xe2900000 0x400>; + interrupt-parent = <&vic1>; + interrupts = <10>; + clock-names = "uart", "clk_uart_baud0", + "clk_uart_baud1"; + clocks = <&clocks UART0>, <&clocks UART0>, + <&clocks SCLK_UART0>; + status = "disabled"; + }; |
