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Diffstat (limited to 'Documentation/devicetree/bindings/clock/brcm,iproc-clocks.yaml')
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diff --git a/Documentation/devicetree/bindings/clock/brcm,iproc-clocks.yaml b/Documentation/devicetree/bindings/clock/brcm,iproc-clocks.yaml new file mode 100644 index 000000000..5ad147d26 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/brcm,iproc-clocks.yaml @@ -0,0 +1,417 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/brcm,iproc-clocks.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom iProc Family Clocks + +maintainers: + - Ray Jui <rjui@broadcom.com> + - Scott Branden <sbranden@broadcom.com> + +description: | + The iProc clock controller manages clocks that are common to the iProc family. + An SoC from the iProc family may have several PLLs, e.g., ARMPLL, GENPLL, + LCPLL0, MIPIPLL, and etc., all derived from an onboard crystal. Each PLL + comprises of several leaf clocks + + ASIU clocks are a special case. These clocks are derived directly from the + reference clock of the onboard crystal. + +properties: + compatible: + enum: + - brcm,bcm63138-armpll + - brcm,cygnus-armpll + - brcm,cygnus-genpll + - brcm,cygnus-lcpll0 + - brcm,cygnus-mipipll + - brcm,cygnus-asiu-clk + - brcm,cygnus-audiopll + - brcm,hr2-armpll + - brcm,nsp-armpll + - brcm,nsp-genpll + - brcm,nsp-lcpll0 + - brcm,ns2-genpll-scr + - brcm,ns2-genpll-sw + - brcm,ns2-lcpll-ddr + - brcm,ns2-lcpll-ports + - brcm,sr-genpll0 + - brcm,sr-genpll1 + - brcm,sr-genpll2 + - brcm,sr-genpll3 + - brcm,sr-genpll4 + - brcm,sr-genpll5 + - brcm,sr-genpll6 + - brcm,sr-lcpll0 + - brcm,sr-lcpll1 + - brcm,sr-lcpll-pcie + + reg: + minItems: 1 + items: + - description: base register + - description: power register + - description: ASIU or split status register + + clocks: + description: The input parent clock phandle for the PLL / ASIU clock. For + most iProc PLLs, this is an onboard crystal with a fixed rate. + maxItems: 1 + + '#clock-cells': + true + + clock-output-names: + minItems: 1 + maxItems: 45 + +allOf: + - if: + properties: + compatible: + contains: + enum: + - brcm,cygnus-armpll + - brcm,nsp-armpll + then: + properties: + '#clock-cells': + const: 0 + else: + properties: + '#clock-cells': + const: 1 + required: + - clock-output-names + - if: + properties: + compatible: + contains: + enum: + - brcm,cygnus-armpll + - brcm,cygnus-genpll + - brcm,cygnus-lcpll0 + - brcm,cygnus-mipipll + - brcm,cygnus-asiu-clk + - brcm,cygnus-audiopll + then: + properties: + clock-output-names: + description: | + The following table defines the set of PLL/clock index and ID for Cygnus. + These clock IDs are defined in: + "include/dt-bindings/clock/bcm-cygnus.h" + + Clock Source (Parent) Index ID + ----- --------------- ----- -- + crystal N/A N/A N/A + + armpll crystal N/A N/A + + keypad crystal (ASIU) 0 BCM_CYGNUS_ASIU_KEYPAD_CLK + adc/tsc crystal (ASIU) 1 BCM_CYGNUS_ASIU_ADC_CLK + pwm crystal (ASIU) 2 BCM_CYGNUS_ASIU_PWM_CLK + + genpll crystal 0 BCM_CYGNUS_GENPLL + axi21 genpll 1 BCM_CYGNUS_GENPLL_AXI21_CLK + 250mhz genpll 2 BCM_CYGNUS_GENPLL_250MHZ_CLK + ihost_sys genpll 3 BCM_CYGNUS_GENPLL_IHOST_SYS_CLK + enet_sw genpll 4 BCM_CYGNUS_GENPLL_ENET_SW_CLK + audio_125 genpll 5 BCM_CYGNUS_GENPLL_AUDIO_125_CLK + can genpll 6 BCM_CYGNUS_GENPLL_CAN_CLK + + lcpll0 crystal 0 BCM_CYGNUS_LCPLL0 + pcie_phy lcpll0 1 BCM_CYGNUS_LCPLL0_PCIE_PHY_REF_CLK + ddr_phy lcpll0 2 BCM_CYGNUS_LCPLL0_DDR_PHY_CLK + sdio lcpll0 3 BCM_CYGNUS_LCPLL0_SDIO_CLK + usb_phy lcpll0 4 BCM_CYGNUS_LCPLL0_USB_PHY_REF_CLK + smart_card lcpll0 5 BCM_CYGNUS_LCPLL0_SMART_CARD_CLK + ch5_unused lcpll0 6 BCM_CYGNUS_LCPLL0_CH5_UNUSED + + mipipll crystal 0 BCM_CYGNUS_MIPIPLL + ch0_unused mipipll 1 BCM_CYGNUS_MIPIPLL_CH0_UNUSED + ch1_lcd mipipll 2 BCM_CYGNUS_MIPIPLL_CH1_LCD + ch2_v3d mipipll 3 BCM_CYGNUS_MIPIPLL_CH2_V3D + ch3_unused mipipll 4 BCM_CYGNUS_MIPIPLL_CH3_UNUSED + ch4_unused mipipll 5 BCM_CYGNUS_MIPIPLL_CH4_UNUSED + ch5_unused mipipll 6 BCM_CYGNUS_MIPIPLL_CH5_UNUSED + + audiopll crystal 0 BCM_CYGNUS_AUDIOPLL + ch0_audio audiopll 1 BCM_CYGNUS_AUDIOPLL_CH0 + ch1_audio audiopll 2 BCM_CYGNUS_AUDIOPLL_CH1 + ch2_audio audiopll 3 BCM_CYGNUS_AUDIOPLL_CH2 + - if: + properties: + compatible: + contains: + enum: + - brcm,hr2-armpll + then: + properties: + clock-output-names: + description: | + The following table defines the set of PLL/clock for Hurricane 2: + + Clock Source Index ID + ----- ------ ----- -- + crystal N/A N/A N/A + + armpll crystal N/A N/A + - if: + properties: + compatible: + contains: + enum: + - brcm,nsp-armpll + - brcm,nsp-genpll + - brcm,nsp-lcpll0 + then: + properties: + clock-output-names: + description: | + The following table defines the set of PLL/clock index and ID for Northstar and + Northstar Plus. These clock IDs are defined in: + "include/dt-bindings/clock/bcm-nsp.h" + + Clock Source Index ID + ----- ------ ----- -- + crystal N/A N/A N/A + + armpll crystal N/A N/A + + genpll crystal 0 BCM_NSP_GENPLL + phy genpll 1 BCM_NSP_GENPLL_PHY_CLK + ethernetclk genpll 2 BCM_NSP_GENPLL_ENET_SW_CLK + usbclk genpll 3 BCM_NSP_GENPLL_USB_PHY_REF_CLK + iprocfast genpll 4 BCM_NSP_GENPLL_IPROCFAST_CLK + sata1 genpll 5 BCM_NSP_GENPLL_SATA1_CLK + sata2 genpll 6 BCM_NSP_GENPLL_SATA2_CLK + + lcpll0 crystal 0 BCM_NSP_LCPLL0 + pcie_phy lcpll0 1 BCM_NSP_LCPLL0_PCIE_PHY_REF_CLK + sdio lcpll0 2 BCM_NSP_LCPLL0_SDIO_CLK + ddr_phy lcpll0 3 BCM_NSP_LCPLL0_DDR_PHY_CLK + - if: + properties: + compatible: + contains: + enum: + - brcm,ns2-genpll-scr + - brcm,ns2-genpll-sw + - brcm,ns2-lcpll-ddr + - brcm,ns2-lcpll-ports + then: + properties: + clock-output-names: + description: | + The following table defines the set of PLL/clock index and ID for Northstar 2. + These clock IDs are defined in: + "include/dt-bindings/clock/bcm-ns2.h" + + Clock Source Index ID + ----- ------ ----- -- + crystal N/A N/A N/A + + genpll_scr crystal 0 BCM_NS2_GENPLL_SCR + scr genpll_scr 1 BCM_NS2_GENPLL_SCR_SCR_CLK + fs genpll_scr 2 BCM_NS2_GENPLL_SCR_FS_CLK + audio_ref genpll_scr 3 BCM_NS2_GENPLL_SCR_AUDIO_CLK + ch3_unused genpll_scr 4 BCM_NS2_GENPLL_SCR_CH3_UNUSED + ch4_unused genpll_scr 5 BCM_NS2_GENPLL_SCR_CH4_UNUSED + ch5_unused genpll_scr 6 BCM_NS2_GENPLL_SCR_CH5_UNUSED + + genpll_sw crystal 0 BCM_NS2_GENPLL_SW + rpe genpll_sw 1 BCM_NS2_GENPLL_SW_RPE_CLK + 250 genpll_sw 2 BCM_NS2_GENPLL_SW_250_CLK + nic genpll_sw 3 BCM_NS2_GENPLL_SW_NIC_CLK + chimp genpll_sw 4 BCM_NS2_GENPLL_SW_CHIMP_CLK + port genpll_sw 5 BCM_NS2_GENPLL_SW_PORT_CLK + sdio genpll_sw 6 BCM_NS2_GENPLL_SW_SDIO_CLK + + lcpll_ddr crystal 0 BCM_NS2_LCPLL_DDR + pcie_sata_usb lcpll_ddr 1 BCM_NS2_LCPLL_DDR_PCIE_SATA_USB_CLK + ddr lcpll_ddr 2 BCM_NS2_LCPLL_DDR_DDR_CLK + ch2_unused lcpll_ddr 3 BCM_NS2_LCPLL_DDR_CH2_UNUSED + ch3_unused lcpll_ddr 4 BCM_NS2_LCPLL_DDR_CH3_UNUSED + ch4_unused lcpll_ddr 5 BCM_NS2_LCPLL_DDR_CH4_UNUSED + ch5_unused lcpll_ddr 6 BCM_NS2_LCPLL_DDR_CH5_UNUSED + + lcpll_ports crystal 0 BCM_NS2_LCPLL_PORTS + wan lcpll_ports 1 BCM_NS2_LCPLL_PORTS_WAN_CLK + rgmii lcpll_ports 2 BCM_NS2_LCPLL_PORTS_RGMII_CLK + ch2_unused lcpll_ports 3 BCM_NS2_LCPLL_PORTS_CH2_UNUSED + ch3_unused lcpll_ports 4 BCM_NS2_LCPLL_PORTS_CH3_UNUSED + ch4_unused lcpll_ports 5 BCM_NS2_LCPLL_PORTS_CH4_UNUSED + ch5_unused lcpll_ports 6 BCM_NS2_LCPLL_PORTS_CH5_UNUSED + - if: + properties: + compatible: + contains: + enum: + - brcm,sr-genpll0 + - brcm,sr-genpll1 + - brcm,sr-genpll2 + - brcm,sr-genpll3 + - brcm,sr-genpll4 + - brcm,sr-genpll5 + - brcm,sr-genpll6 + - brcm,sr-lcpll0 + - brcm,sr-lcpll1 + - brcm,sr-lcpll-pcie + then: + properties: + clock-output-names: + description: | + The following table defines the set of PLL/clock index and ID for Stingray. + These clock IDs are defined in: + "include/dt-bindings/clock/bcm-sr.h" + + Clock Source Index ID + ----- ------ ----- -- + crystal N/A N/A N/A + crmu_ref25m crystal N/A N/A + + genpll0 crystal 0 BCM_SR_GENPLL0 + clk_125m genpll0 1 BCM_SR_GENPLL0_125M_CLK + clk_scr genpll0 2 BCM_SR_GENPLL0_SCR_CLK + clk_250 genpll0 3 BCM_SR_GENPLL0_250M_CLK + clk_pcie_axi genpll0 4 BCM_SR_GENPLL0_PCIE_AXI_CLK + clk_paxc_axi_x2 genpll0 5 BCM_SR_GENPLL0_PAXC_AXI_X2_CLK + clk_paxc_axi genpll0 6 BCM_SR_GENPLL0_PAXC_AXI_CLK + + genpll1 crystal 0 BCM_SR_GENPLL1 + clk_pcie_tl genpll1 1 BCM_SR_GENPLL1_PCIE_TL_CLK + clk_mhb_apb genpll1 2 BCM_SR_GENPLL1_MHB_APB_CLK + + genpll2 crystal 0 BCM_SR_GENPLL2 + clk_nic genpll2 1 BCM_SR_GENPLL2_NIC_CLK + clk_ts_500_ref genpll2 2 BCM_SR_GENPLL2_TS_500_REF_CLK + clk_125_nitro genpll2 3 BCM_SR_GENPLL2_125_NITRO_CLK + clk_chimp genpll2 4 BCM_SR_GENPLL2_CHIMP_CLK + clk_nic_flash genpll2 5 BCM_SR_GENPLL2_NIC_FLASH_CLK + clk_fs genpll2 6 BCM_SR_GENPLL2_FS_CLK + + genpll3 crystal 0 BCM_SR_GENPLL3 + clk_hsls genpll3 1 BCM_SR_GENPLL3_HSLS_CLK + clk_sdio genpll3 2 BCM_SR_GENPLL3_SDIO_CLK + + genpll4 crystal 0 BCM_SR_GENPLL4 + clk_ccn genpll4 1 BCM_SR_GENPLL4_CCN_CLK + clk_tpiu_pll genpll4 2 BCM_SR_GENPLL4_TPIU_PLL_CLK + clk_noc genpll4 3 BCM_SR_GENPLL4_NOC_CLK + clk_chclk_fs4 genpll4 4 BCM_SR_GENPLL4_CHCLK_FS4_CLK + clk_bridge_fscpu genpll4 5 BCM_SR_GENPLL4_BRIDGE_FSCPU_CLK + + genpll5 crystal 0 BCM_SR_GENPLL5 + clk_fs4_hf genpll5 1 BCM_SR_GENPLL5_FS4_HF_CLK + clk_crypto_ae genpll5 2 BCM_SR_GENPLL5_CRYPTO_AE_CLK + clk_raid_ae genpll5 3 BCM_SR_GENPLL5_RAID_AE_CLK + + genpll6 crystal 0 BCM_SR_GENPLL6 + clk_48_usb genpll6 1 BCM_SR_GENPLL6_48_USB_CLK + + lcpll0 crystal 0 BCM_SR_LCPLL0 + clk_sata_refp lcpll0 1 BCM_SR_LCPLL0_SATA_REFP_CLK + clk_sata_refn lcpll0 2 BCM_SR_LCPLL0_SATA_REFN_CLK + clk_sata_350 lcpll0 3 BCM_SR_LCPLL0_SATA_350_CLK + clk_sata_500 lcpll0 4 BCM_SR_LCPLL0_SATA_500_CLK + + lcpll1 crystal 0 BCM_SR_LCPLL1 + clk_wan lcpll1 1 BCM_SR_LCPLL1_WAN_CLK + clk_usb_ref lcpll1 2 BCM_SR_LCPLL1_USB_REF_CLK + clk_crmu_ts lcpll1 3 BCM_SR_LCPLL1_CRMU_TS_CLK + + lcpll_pcie crystal 0 BCM_SR_LCPLL_PCIE + clk_pcie_phy_ref lcpll1 1 BCM_SR_LCPLL_PCIE_PHY_REF_CLK + - if: + properties: + compatible: + contains: + const: brcm,cygnus-genpll + then: + properties: + clock-output-names: + items: + - const: genpll + - const: axi21 + - const: 250mhz + - const: ihost_sys + - const: enet_sw + - const: audio_125 + - const: can + - if: + properties: + compatible: + contains: + const: brcm,nsp-lcpll0 + then: + properties: + clock-output-names: + items: + - const: lcpll0 + - const: pcie_phy + - const: sdio + - const: ddr_phy + - if: + properties: + compatible: + contains: + const: brcm,nsp-genpll + then: + properties: + clock-output-names: + items: + - const: genpll + - const: phy + - const: ethernetclk + - const: usbclk + - const: iprocfast + - const: sata1 + - const: sata2 + +required: + - reg + - clocks + - '#clock-cells' + +additionalProperties: false + +examples: + - | + osc1: oscillator { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <25000000>; + }; + + genpll@301d000 { + #clock-cells = <1>; + compatible = "brcm,cygnus-genpll"; + reg = <0x301d000 0x2c>, <0x301c020 0x4>; + clocks = <&os1c>; + clock-output-names = "genpll", "axi21", "250mhz", "ihost_sys", + "enet_sw", "audio_125", "can"; + }; + - | + osc2: oscillator { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <25000000>; + }; + + asiu_clks@301d048 { + #clock-cells = <1>; + compatible = "brcm,cygnus-asiu-clk"; + reg = <0x301d048 0xc>, <0x180aa024 0x4>; + clocks = <&osc2>; + clock-output-names = "keypad", "adc/touch", "pwm"; + }; + - | + arm_clk@0 { + #clock-cells = <0>; + compatible = "brcm,nsp-armpll"; + clocks = <&osc>; + reg = <0x0 0x1000>; + }; |