ARM: imx6q: replace clk_register_clkdev with clock DT lookup
It really becomes an maintenance issue that every time a device needs to look up (clk_get) a clock we have to patch kernel clock file to call clk_register_clkdev for that clock. Since clock DT support which is meant to resolve clock lookup in device tree is in place, the patch moves imx6q client devices' clock lookup over to device tree, so that any new lookup to be added at later time can just get done in DT instead of kernel. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Shawn Guo
Родитель
fea7a08acb
Коммит
0e87e0436c
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@ -0,0 +1,222 @@
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* Clock bindings for Freescale i.MX6 Quad
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Required properties:
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- compatible: Should be "fsl,imx6q-ccm"
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- reg: Address and length of the register set
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- interrupts: Should contain CCM interrupt
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- #clock-cells: Should be <1>
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The clock consumer should specify the desired clock by having the clock
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ID in its "clocks" phandle cell. The following is a full list of i.MX6Q
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clocks and IDs.
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Clock ID
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---------------------------
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dummy 0
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ckil 1
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ckih 2
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osc 3
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pll2_pfd0_352m 4
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pll2_pfd1_594m 5
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pll2_pfd2_396m 6
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pll3_pfd0_720m 7
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pll3_pfd1_540m 8
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pll3_pfd2_508m 9
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pll3_pfd3_454m 10
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pll2_198m 11
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pll3_120m 12
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pll3_80m 13
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pll3_60m 14
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twd 15
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step 16
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pll1_sw 17
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periph_pre 18
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periph2_pre 19
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periph_clk2_sel 20
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periph2_clk2_sel 21
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axi_sel 22
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esai_sel 23
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asrc_sel 24
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spdif_sel 25
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gpu2d_axi 26
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gpu3d_axi 27
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gpu2d_core_sel 28
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gpu3d_core_sel 29
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gpu3d_shader_sel 30
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ipu1_sel 31
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ipu2_sel 32
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ldb_di0_sel 33
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ldb_di1_sel 34
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ipu1_di0_pre_sel 35
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ipu1_di1_pre_sel 36
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ipu2_di0_pre_sel 37
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ipu2_di1_pre_sel 38
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ipu1_di0_sel 39
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ipu1_di1_sel 40
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ipu2_di0_sel 41
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ipu2_di1_sel 42
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hsi_tx_sel 43
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pcie_axi_sel 44
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ssi1_sel 45
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ssi2_sel 46
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ssi3_sel 47
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usdhc1_sel 48
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usdhc2_sel 49
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usdhc3_sel 50
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usdhc4_sel 51
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enfc_sel 52
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emi_sel 53
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emi_slow_sel 54
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vdo_axi_sel 55
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vpu_axi_sel 56
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cko1_sel 57
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periph 58
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periph2 59
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periph_clk2 60
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periph2_clk2 61
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ipg 62
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ipg_per 63
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esai_pred 64
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esai_podf 65
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asrc_pred 66
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asrc_podf 67
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spdif_pred 68
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spdif_podf 69
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can_root 70
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ecspi_root 71
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gpu2d_core_podf 72
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gpu3d_core_podf 73
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gpu3d_shader 74
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ipu1_podf 75
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ipu2_podf 76
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ldb_di0_podf 77
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ldb_di1_podf 78
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ipu1_di0_pre 79
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ipu1_di1_pre 80
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ipu2_di0_pre 81
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ipu2_di1_pre 82
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hsi_tx_podf 83
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ssi1_pred 84
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ssi1_podf 85
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ssi2_pred 86
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ssi2_podf 87
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ssi3_pred 88
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ssi3_podf 89
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uart_serial_podf 90
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usdhc1_podf 91
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usdhc2_podf 92
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usdhc3_podf 93
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usdhc4_podf 94
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enfc_pred 95
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enfc_podf 96
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emi_podf 97
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emi_slow_podf 98
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vpu_axi_podf 99
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cko1_podf 100
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axi 101
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mmdc_ch0_axi_podf 102
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mmdc_ch1_axi_podf 103
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arm 104
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ahb 105
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apbh_dma 106
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asrc 107
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can1_ipg 108
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can1_serial 109
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can2_ipg 110
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can2_serial 111
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ecspi1 112
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ecspi2 113
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ecspi3 114
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ecspi4 115
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ecspi5 116
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enet 117
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esai 118
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gpt_ipg 119
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gpt_ipg_per 120
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gpu2d_core 121
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gpu3d_core 122
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hdmi_iahb 123
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hdmi_isfr 124
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i2c1 125
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i2c2 126
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i2c3 127
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iim 128
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enfc 129
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ipu1 130
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ipu1_di0 131
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ipu1_di1 132
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ipu2 133
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ipu2_di0 134
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ldb_di0 135
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ldb_di1 136
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ipu2_di1 137
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hsi_tx 138
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mlb 139
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mmdc_ch0_axi 140
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mmdc_ch1_axi 141
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ocram 142
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openvg_axi 143
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pcie_axi 144
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pwm1 145
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pwm2 146
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pwm3 147
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pwm4 148
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per1_bch 149
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gpmi_bch_apb 150
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gpmi_bch 151
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gpmi_io 152
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gpmi_apb 153
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sata 154
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sdma 155
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spba 156
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ssi1 157
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ssi2 158
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ssi3 159
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uart_ipg 160
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uart_serial 161
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usboh3 162
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usdhc1 163
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usdhc2 164
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usdhc3 165
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usdhc4 166
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vdo_axi 167
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vpu_axi 168
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cko1 169
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pll1_sys 170
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pll2_bus 171
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pll3_usb_otg 172
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pll4_audio 173
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pll5_video 174
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pll6_mlb 175
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pll7_usb_host 176
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pll8_enet 177
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ssi1_ipg 178
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ssi2_ipg 179
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ssi3_ipg 180
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rom 181
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usbphy1 182
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usbphy2 183
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ldb_di0_div_3_5 184
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ldb_di1_div_3_5 185
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Examples:
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clks: ccm@020c4000 {
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compatible = "fsl,imx6q-ccm";
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reg = <0x020c4000 0x4000>;
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interrupts = <0 87 0x04 0 88 0x04>;
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#clock-cells = <1>;
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clock-output-names = ...
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"uart_ipg",
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"uart_serial",
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...;
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};
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uart1: serial@02020000 {
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compatible = "fsl,imx6q-uart", "fsl,imx21-uart";
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reg = <0x02020000 0x4000>;
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interrupts = <0 26 0x04>;
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clocks = <&clks 160>, <&clks 161>;
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clock-names = "ipg", "per";
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status = "disabled";
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};
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@ -111,6 +111,7 @@
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codec: sgtl5000@0a {
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compatible = "fsl,sgtl5000";
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reg = <0x0a>;
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clocks = <&clks 169>;
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VDDA-supply = <®_2p5v>;
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VDDIO-supply = <®_3p3v>;
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};
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@ -97,18 +97,23 @@
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dma-apbh@00110000 {
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compatible = "fsl,imx6q-dma-apbh", "fsl,imx28-dma-apbh";
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reg = <0x00110000 0x2000>;
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clocks = <&clks 106>;
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};
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gpmi-nand@00112000 {
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compatible = "fsl,imx6q-gpmi-nand";
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#address-cells = <1>;
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#size-cells = <1>;
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reg = <0x00112000 0x2000>, <0x00114000 0x2000>;
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reg-names = "gpmi-nand", "bch";
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interrupts = <0 13 0x04>, <0 15 0x04>;
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interrupt-names = "gpmi-dma", "bch";
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fsl,gpmi-dma-channel = <0>;
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status = "disabled";
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compatible = "fsl,imx6q-gpmi-nand";
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#address-cells = <1>;
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#size-cells = <1>;
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reg = <0x00112000 0x2000>, <0x00114000 0x2000>;
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reg-names = "gpmi-nand", "bch";
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interrupts = <0 13 0x04>, <0 15 0x04>;
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interrupt-names = "gpmi-dma", "bch";
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clocks = <&clks 152>, <&clks 153>, <&clks 151>,
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<&clks 150>, <&clks 149>;
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clock-names = "gpmi_io", "gpmi_apb", "gpmi_bch",
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"gpmi_bch_apb", "per1_bch";
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fsl,gpmi-dma-channel = <0>;
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status = "disabled";
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};
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timer@00a00600 {
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@ -150,6 +155,8 @@
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compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi";
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reg = <0x02008000 0x4000>;
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interrupts = <0 31 0x04>;
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clocks = <&clks 112>, <&clks 112>;
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clock-names = "ipg", "per";
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status = "disabled";
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};
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@ -159,6 +166,8 @@
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compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi";
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reg = <0x0200c000 0x4000>;
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interrupts = <0 32 0x04>;
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clocks = <&clks 113>, <&clks 113>;
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clock-names = "ipg", "per";
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status = "disabled";
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};
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@ -168,6 +177,8 @@
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compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi";
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reg = <0x02010000 0x4000>;
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interrupts = <0 33 0x04>;
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clocks = <&clks 114>, <&clks 114>;
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clock-names = "ipg", "per";
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status = "disabled";
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};
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@ -177,6 +188,8 @@
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compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi";
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reg = <0x02014000 0x4000>;
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interrupts = <0 34 0x04>;
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clocks = <&clks 115>, <&clks 115>;
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clock-names = "ipg", "per";
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status = "disabled";
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};
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@ -186,6 +199,8 @@
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compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi";
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reg = <0x02018000 0x4000>;
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interrupts = <0 35 0x04>;
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clocks = <&clks 116>, <&clks 116>;
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clock-names = "ipg", "per";
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status = "disabled";
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};
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@ -193,6 +208,8 @@
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compatible = "fsl,imx6q-uart", "fsl,imx21-uart";
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reg = <0x02020000 0x4000>;
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interrupts = <0 26 0x04>;
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clocks = <&clks 160>, <&clks 161>;
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clock-names = "ipg", "per";
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status = "disabled";
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};
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@ -205,6 +222,7 @@
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compatible = "fsl,imx6q-ssi","fsl,imx21-ssi";
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reg = <0x02028000 0x4000>;
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interrupts = <0 46 0x04>;
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clocks = <&clks 178>;
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fsl,fifo-depth = <15>;
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fsl,ssi-dma-events = <38 37>;
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status = "disabled";
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@ -214,6 +232,7 @@
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compatible = "fsl,imx6q-ssi","fsl,imx21-ssi";
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reg = <0x0202c000 0x4000>;
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interrupts = <0 47 0x04>;
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clocks = <&clks 179>;
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fsl,fifo-depth = <15>;
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fsl,ssi-dma-events = <42 41>;
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status = "disabled";
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@ -223,6 +242,7 @@
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compatible = "fsl,imx6q-ssi","fsl,imx21-ssi";
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reg = <0x02030000 0x4000>;
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interrupts = <0 48 0x04>;
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clocks = <&clks 180>;
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fsl,fifo-depth = <15>;
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fsl,ssi-dma-events = <46 45>;
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status = "disabled";
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@ -362,6 +382,7 @@
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compatible = "fsl,imx6q-wdt", "fsl,imx21-wdt";
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reg = <0x020bc000 0x4000>;
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interrupts = <0 80 0x04>;
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clocks = <&clks 0>;
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status = "disabled";
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};
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@ -369,13 +390,15 @@
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compatible = "fsl,imx6q-wdt", "fsl,imx21-wdt";
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reg = <0x020c0000 0x4000>;
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interrupts = <0 81 0x04>;
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clocks = <&clks 0>;
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status = "disabled";
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};
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ccm@020c4000 {
|
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clks: ccm@020c4000 {
|
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compatible = "fsl,imx6q-ccm";
|
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reg = <0x020c4000 0x4000>;
|
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interrupts = <0 87 0x04 0 88 0x04>;
|
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#clock-cells = <1>;
|
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};
|
||||
|
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anatop@020c8000 {
|
||||
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@ -472,12 +495,14 @@
|
|||
compatible = "fsl,imx6q-usbphy", "fsl,imx23-usbphy";
|
||||
reg = <0x020c9000 0x1000>;
|
||||
interrupts = <0 44 0x04>;
|
||||
clocks = <&clks 182>;
|
||||
};
|
||||
|
||||
usbphy2: usbphy@020ca000 {
|
||||
compatible = "fsl,imx6q-usbphy", "fsl,imx23-usbphy";
|
||||
reg = <0x020ca000 0x1000>;
|
||||
interrupts = <0 45 0x04>;
|
||||
clocks = <&clks 183>;
|
||||
};
|
||||
|
||||
snvs@020cc000 {
|
||||
|
|
@ -612,6 +637,9 @@
|
|||
compatible = "fsl,imx6q-sdma", "fsl,imx35-sdma";
|
||||
reg = <0x020ec000 0x4000>;
|
||||
interrupts = <0 2 0x04>;
|
||||
clocks = <&clks 155>, <&clks 155>;
|
||||
clock-names = "ipg", "ahb";
|
||||
fsl,sdma-ram-script-name = "imx/sdma/sdma-imx6q-to1.bin";
|
||||
};
|
||||
};
|
||||
|
||||
|
|
@ -635,6 +663,7 @@
|
|||
compatible = "fsl,imx6q-usb", "fsl,imx27-usb";
|
||||
reg = <0x02184000 0x200>;
|
||||
interrupts = <0 43 0x04>;
|
||||
clocks = <&clks 162>;
|
||||
fsl,usbphy = <&usbphy1>;
|
||||
status = "disabled";
|
||||
};
|
||||
|
|
@ -643,6 +672,7 @@
|
|||
compatible = "fsl,imx6q-usb", "fsl,imx27-usb";
|
||||
reg = <0x02184200 0x200>;
|
||||
interrupts = <0 40 0x04>;
|
||||
clocks = <&clks 162>;
|
||||
fsl,usbphy = <&usbphy2>;
|
||||
status = "disabled";
|
||||
};
|
||||
|
|
@ -651,6 +681,7 @@
|
|||
compatible = "fsl,imx6q-usb", "fsl,imx27-usb";
|
||||
reg = <0x02184400 0x200>;
|
||||
interrupts = <0 41 0x04>;
|
||||
clocks = <&clks 162>;
|
||||
status = "disabled";
|
||||
};
|
||||
|
||||
|
|
@ -658,6 +689,7 @@
|
|||
compatible = "fsl,imx6q-usb", "fsl,imx27-usb";
|
||||
reg = <0x02184600 0x200>;
|
||||
interrupts = <0 42 0x04>;
|
||||
clocks = <&clks 162>;
|
||||
status = "disabled";
|
||||
};
|
||||
|
||||
|
|
@ -665,6 +697,8 @@
|
|||
compatible = "fsl,imx6q-fec";
|
||||
reg = <0x02188000 0x4000>;
|
||||
interrupts = <0 118 0x04 0 119 0x04>;
|
||||
clocks = <&clks 117>, <&clks 117>;
|
||||
clock-names = "ipg", "ahb";
|
||||
status = "disabled";
|
||||
};
|
||||
|
||||
|
|
@ -677,6 +711,8 @@
|
|||
compatible = "fsl,imx6q-usdhc";
|
||||
reg = <0x02190000 0x4000>;
|
||||
interrupts = <0 22 0x04>;
|
||||
clocks = <&clks 163>, <&clks 163>, <&clks 163>;
|
||||
clock-names = "ipg", "ahb", "per";
|
||||
status = "disabled";
|
||||
};
|
||||
|
||||
|
|
@ -684,6 +720,8 @@
|
|||
compatible = "fsl,imx6q-usdhc";
|
||||
reg = <0x02194000 0x4000>;
|
||||
interrupts = <0 23 0x04>;
|
||||
clocks = <&clks 164>, <&clks 164>, <&clks 164>;
|
||||
clock-names = "ipg", "ahb", "per";
|
||||
status = "disabled";
|
||||
};
|
||||
|
||||
|
|
@ -691,6 +729,8 @@
|
|||
compatible = "fsl,imx6q-usdhc";
|
||||
reg = <0x02198000 0x4000>;
|
||||
interrupts = <0 24 0x04>;
|
||||
clocks = <&clks 165>, <&clks 165>, <&clks 165>;
|
||||
clock-names = "ipg", "ahb", "per";
|
||||
status = "disabled";
|
||||
};
|
||||
|
||||
|
|
@ -698,6 +738,8 @@
|
|||
compatible = "fsl,imx6q-usdhc";
|
||||
reg = <0x0219c000 0x4000>;
|
||||
interrupts = <0 25 0x04>;
|
||||
clocks = <&clks 166>, <&clks 166>, <&clks 166>;
|
||||
clock-names = "ipg", "ahb", "per";
|
||||
status = "disabled";
|
||||
};
|
||||
|
||||
|
|
@ -707,6 +749,7 @@
|
|||
compatible = "fsl,imx6q-i2c", "fsl,imx1-i2c";
|
||||
reg = <0x021a0000 0x4000>;
|
||||
interrupts = <0 36 0x04>;
|
||||
clocks = <&clks 125>;
|
||||
status = "disabled";
|
||||
};
|
||||
|
||||
|
|
@ -716,6 +759,7 @@
|
|||
compatible = "fsl,imx6q-i2c", "fsl,imx1-i2c";
|
||||
reg = <0x021a4000 0x4000>;
|
||||
interrupts = <0 37 0x04>;
|
||||
clocks = <&clks 126>;
|
||||
status = "disabled";
|
||||
};
|
||||
|
||||
|
|
@ -725,6 +769,7 @@
|
|||
compatible = "fsl,imx6q-i2c", "fsl,imx1-i2c";
|
||||
reg = <0x021a8000 0x4000>;
|
||||
interrupts = <0 38 0x04>;
|
||||
clocks = <&clks 127>;
|
||||
status = "disabled";
|
||||
};
|
||||
|
||||
|
|
@ -788,6 +833,8 @@
|
|||
compatible = "fsl,imx6q-uart", "fsl,imx21-uart";
|
||||
reg = <0x021e8000 0x4000>;
|
||||
interrupts = <0 27 0x04>;
|
||||
clocks = <&clks 160>, <&clks 161>;
|
||||
clock-names = "ipg", "per";
|
||||
status = "disabled";
|
||||
};
|
||||
|
||||
|
|
@ -795,6 +842,8 @@
|
|||
compatible = "fsl,imx6q-uart", "fsl,imx21-uart";
|
||||
reg = <0x021ec000 0x4000>;
|
||||
interrupts = <0 28 0x04>;
|
||||
clocks = <&clks 160>, <&clks 161>;
|
||||
clock-names = "ipg", "per";
|
||||
status = "disabled";
|
||||
};
|
||||
|
||||
|
|
@ -802,6 +851,8 @@
|
|||
compatible = "fsl,imx6q-uart", "fsl,imx21-uart";
|
||||
reg = <0x021f0000 0x4000>;
|
||||
interrupts = <0 29 0x04>;
|
||||
clocks = <&clks 160>, <&clks 161>;
|
||||
clock-names = "ipg", "per";
|
||||
status = "disabled";
|
||||
};
|
||||
|
||||
|
|
@ -809,6 +860,8 @@
|
|||
compatible = "fsl,imx6q-uart", "fsl,imx21-uart";
|
||||
reg = <0x021f4000 0x4000>;
|
||||
interrupts = <0 30 0x04>;
|
||||
clocks = <&clks 160>, <&clks 161>;
|
||||
clock-names = "ipg", "per";
|
||||
status = "disabled";
|
||||
};
|
||||
};
|
||||
|
|
|
|||
|
|
@ -157,6 +157,7 @@ enum mx6q_clks {
|
|||
};
|
||||
|
||||
static struct clk *clk[clk_max];
|
||||
static struct clk_onecell_data clk_data;
|
||||
|
||||
static enum mx6q_clks const clks_init_on[] __initconst = {
|
||||
mmdc_ch0_axi, rom,
|
||||
|
|
@ -392,48 +393,13 @@ int __init mx6q_clocks_init(void)
|
|||
pr_err("i.MX6q clk %d: register failed with %ld\n",
|
||||
i, PTR_ERR(clk[i]));
|
||||
|
||||
clk_data.clks = clk;
|
||||
clk_data.clk_num = ARRAY_SIZE(clk);
|
||||
of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
|
||||
|
||||
clk_register_clkdev(clk[gpt_ipg], "ipg", "imx-gpt.0");
|
||||
clk_register_clkdev(clk[gpt_ipg_per], "per", "imx-gpt.0");
|
||||
clk_register_clkdev(clk[twd], NULL, "smp_twd");
|
||||
clk_register_clkdev(clk[apbh_dma], NULL, "110000.dma-apbh");
|
||||
clk_register_clkdev(clk[per1_bch], "per1_bch", "112000.gpmi-nand");
|
||||
clk_register_clkdev(clk[gpmi_bch_apb], "gpmi_bch_apb", "112000.gpmi-nand");
|
||||
clk_register_clkdev(clk[gpmi_bch], "gpmi_bch", "112000.gpmi-nand");
|
||||
clk_register_clkdev(clk[gpmi_apb], "gpmi_apb", "112000.gpmi-nand");
|
||||
clk_register_clkdev(clk[gpmi_io], "gpmi_io", "112000.gpmi-nand");
|
||||
clk_register_clkdev(clk[usboh3], NULL, "2184000.usb");
|
||||
clk_register_clkdev(clk[usboh3], NULL, "2184200.usb");
|
||||
clk_register_clkdev(clk[usboh3], NULL, "2184400.usb");
|
||||
clk_register_clkdev(clk[usboh3], NULL, "2184600.usb");
|
||||
clk_register_clkdev(clk[usbphy1], NULL, "20c9000.usbphy");
|
||||
clk_register_clkdev(clk[usbphy2], NULL, "20ca000.usbphy");
|
||||
clk_register_clkdev(clk[uart_serial], "per", "2020000.serial");
|
||||
clk_register_clkdev(clk[uart_ipg], "ipg", "2020000.serial");
|
||||
clk_register_clkdev(clk[uart_serial], "per", "21e8000.serial");
|
||||
clk_register_clkdev(clk[uart_ipg], "ipg", "21e8000.serial");
|
||||
clk_register_clkdev(clk[uart_serial], "per", "21ec000.serial");
|
||||
clk_register_clkdev(clk[uart_ipg], "ipg", "21ec000.serial");
|
||||
clk_register_clkdev(clk[uart_serial], "per", "21f0000.serial");
|
||||
clk_register_clkdev(clk[uart_ipg], "ipg", "21f0000.serial");
|
||||
clk_register_clkdev(clk[uart_serial], "per", "21f4000.serial");
|
||||
clk_register_clkdev(clk[uart_ipg], "ipg", "21f4000.serial");
|
||||
clk_register_clkdev(clk[enet], NULL, "2188000.ethernet");
|
||||
clk_register_clkdev(clk[usdhc1], NULL, "2190000.usdhc");
|
||||
clk_register_clkdev(clk[usdhc2], NULL, "2194000.usdhc");
|
||||
clk_register_clkdev(clk[usdhc3], NULL, "2198000.usdhc");
|
||||
clk_register_clkdev(clk[usdhc4], NULL, "219c000.usdhc");
|
||||
clk_register_clkdev(clk[i2c1], NULL, "21a0000.i2c");
|
||||
clk_register_clkdev(clk[i2c2], NULL, "21a4000.i2c");
|
||||
clk_register_clkdev(clk[i2c3], NULL, "21a8000.i2c");
|
||||
clk_register_clkdev(clk[ecspi1], NULL, "2008000.ecspi");
|
||||
clk_register_clkdev(clk[ecspi2], NULL, "200c000.ecspi");
|
||||
clk_register_clkdev(clk[ecspi3], NULL, "2010000.ecspi");
|
||||
clk_register_clkdev(clk[ecspi4], NULL, "2014000.ecspi");
|
||||
clk_register_clkdev(clk[ecspi5], NULL, "2018000.ecspi");
|
||||
clk_register_clkdev(clk[sdma], NULL, "20ec000.sdma");
|
||||
clk_register_clkdev(clk[dummy], NULL, "20bc000.wdog");
|
||||
clk_register_clkdev(clk[dummy], NULL, "20c0000.wdog");
|
||||
clk_register_clkdev(clk[ssi1_ipg], NULL, "2028000.ssi");
|
||||
clk_register_clkdev(clk[cko1_sel], "cko1_sel", NULL);
|
||||
clk_register_clkdev(clk[ahb], "ahb", NULL);
|
||||
clk_register_clkdev(clk[cko1], "cko1", NULL);
|
||||
|
|
|
|||
|
|
@ -100,7 +100,6 @@ static void __init imx6q_sabrelite_cko1_setup(void)
|
|||
clk_set_parent(cko1_sel, ahb);
|
||||
rate = clk_round_rate(cko1, 16000000);
|
||||
clk_set_rate(cko1, rate);
|
||||
clk_register_clkdev(cko1, NULL, "0-000a");
|
||||
put_clk:
|
||||
if (!IS_ERR(cko1_sel))
|
||||
clk_put(cko1_sel);
|
||||
|
|
|
|||
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