Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/omap34xx.dtsi
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1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Device Tree Source for OMAP34xx/OMAP35xx SoC 4 * 5 * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/ 6 */ 7 8 #include <dt-bindings/bus/ti-sysc.h> 9 #include <dt-bindings/media/omap3-isp.h> 10 11 #include "omap3.dtsi" 12 13 / { 14 cpus { 15 cpu: cpu@0 { 16 /* OMAP343x/OMAP35xx variants OPP1-6 */ 17 operating-points-v2 = <&cpu0_opp_table>; 18 19 clock-latency = <300000>; /* From legacy driver */ 20 #cooling-cells = <2>; 21 }; 22 }; 23 24 cpu0_opp_table: opp-table { 25 compatible = "operating-points-v2-ti-cpu"; 26 syscon = <&scm_conf>; 27 28 opp1-125000000 { 29 opp-hz = /bits/ 64 <125000000>; 30 /* 31 * we currently only select the max voltage from table 32 * Table 3-3 of the omap3530 Data sheet (SPRS507F). 33 * Format is: <target min max> 34 */ 35 opp-microvolt = <975000 975000 975000>; 36 /* 37 * first value is silicon revision bit mask 38 * second one 720MHz Device Identification bit mask 39 */ 40 opp-supported-hw = <0xffffffff 3>; 41 }; 42 43 opp2-250000000 { 44 opp-hz = /bits/ 64 <250000000>; 45 opp-microvolt = <1075000 1075000 1075000>; 46 opp-supported-hw = <0xffffffff 3>; 47 opp-suspend; 48 }; 49 50 opp3-500000000 { 51 opp-hz = /bits/ 64 <500000000>; 52 opp-microvolt = <1200000 1200000 1200000>; 53 opp-supported-hw = <0xffffffff 3>; 54 }; 55 56 opp4-550000000 { 57 opp-hz = /bits/ 64 <550000000>; 58 opp-microvolt = <1275000 1275000 1275000>; 59 opp-supported-hw = <0xffffffff 3>; 60 }; 61 62 opp5-600000000 { 63 opp-hz = /bits/ 64 <600000000>; 64 opp-microvolt = <1350000 1350000 1350000>; 65 opp-supported-hw = <0xffffffff 3>; 66 }; 67 68 opp6-720000000 { 69 opp-hz = /bits/ 64 <720000000>; 70 opp-microvolt = <1350000 1350000 1350000>; 71 /* only high-speed grade omap3530 devices */ 72 opp-supported-hw = <0xffffffff 2>; 73 turbo-mode; 74 }; 75 }; 76 77 ocp@68000000 { 78 omap3_pmx_core2: pinmux@480025d8 { 79 compatible = "ti,omap3-padconf", "pinctrl-single"; 80 reg = <0x480025d8 0x24>; 81 #address-cells = <1>; 82 #size-cells = <0>; 83 #pinctrl-cells = <1>; 84 #interrupt-cells = <1>; 85 interrupt-controller; 86 pinctrl-single,register-width = <16>; 87 pinctrl-single,function-mask = <0xff1f>; 88 }; 89 90 isp: isp@480bc000 { 91 compatible = "ti,omap3-isp"; 92 reg = <0x480bc000 0x12fc 93 0x480bd800 0x017c>; 94 interrupts = <24>; 95 iommus = <&mmu_isp>; 96 syscon = <&scm_conf 0x6c>; 97 ti,phy-type = <OMAP3ISP_PHY_TYPE_COMPLEX_IO>; 98 #clock-cells = <1>; 99 ports { 100 #address-cells = <1>; 101 #size-cells = <0>; 102 }; 103 }; 104 105 bandgap: bandgap@48002524 { 106 reg = <0x48002524 0x4>; 107 compatible = "ti,omap34xx-bandgap"; 108 #thermal-sensor-cells = <0>; 109 }; 110 111 target-module@480cb000 { 112 compatible = "ti,sysc-omap3430-sr", "ti,sysc"; 113 ti,hwmods = "smartreflex_core"; 114 reg = <0x480cb024 0x4>; 115 reg-names = "sysc"; 116 ti,sysc-mask = <SYSC_OMAP2_CLOCKACTIVITY>; 117 clocks = <&sr2_fck>; 118 clock-names = "fck"; 119 #address-cells = <1>; 120 #size-cells = <1>; 121 ranges = <0 0x480cb000 0x001000>; 122 123 smartreflex_core: smartreflex@0 { 124 compatible = "ti,omap3-smartreflex-core"; 125 reg = <0 0x400>; 126 interrupts = <19>; 127 }; 128 }; 129 130 target-module@480c9000 { 131 compatible = "ti,sysc-omap3430-sr", "ti,sysc"; 132 ti,hwmods = "smartreflex_mpu_iva"; 133 reg = <0x480c9024 0x4>; 134 reg-names = "sysc"; 135 ti,sysc-mask = <SYSC_OMAP2_CLOCKACTIVITY>; 136 clocks = <&sr1_fck>; 137 clock-names = "fck"; 138 #address-cells = <1>; 139 #size-cells = <1>; 140 ranges = <0 0x480c9000 0x001000>; 141 142 smartreflex_mpu_iva: smartreflex@480c9000 { 143 compatible = "ti,omap3-smartreflex-mpu-iva"; 144 reg = <0 0x400>; 145 interrupts = <18>; 146 }; 147 }; 148 149 /* 150 * On omap34xx the OCP registers do not seem to be accessible 151 * at all unlike on 36xx. Maybe SGX is permanently set to 152 * "OCP bypass mode", or maybe there is OCP_SYSCONFIG that is 153 * write-only at 0x50000e10. We detect SGX based on the SGX 154 * revision register instead of the unreadable OCP revision 155 * register. Also note that on early 34xx es1 revision there 156 * are also different clocks, but we do not have any dts users 157 * for it. 158 */ 159 sgx_module: target-module@50000000 { 160 compatible = "ti,sysc-omap2", "ti,sysc"; 161 reg = <0x50000014 0x4>; 162 reg-names = "rev"; 163 clocks = <&sgx_fck>, <&sgx_ick>; 164 clock-names = "fck", "ick"; 165 #address-cells = <1>; 166 #size-cells = <1>; 167 ranges = <0 0x50000000 0x4000>; 168 169 /* 170 * Closed source PowerVR driver, no child device 171 * binding or driver in mainline 172 */ 173 }; 174 }; 175 176 thermal_zones: thermal-zones { 177 #include "omap3-cpu-thermal.dtsi" 178 }; 179 }; 180 181 &ssi { 182 status = "okay"; 183 184 clocks = <&ssi_ssr_fck>, 185 <&ssi_sst_fck>, 186 <&ssi_ick>; 187 clock-names = "ssi_ssr_fck", 188 "ssi_sst_fck", 189 "ssi_ick"; 190 }; 191 192 /include/ "omap34xx-omap36xx-clocks.dtsi" 193 /include/ "omap36xx-omap3430es2plus-clocks.dtsi" 194 /include/ "omap36xx-am35xx-omap3430es2plus-clocks.dtsi"
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