diff options
Diffstat (limited to 'Documentation/devicetree/bindings/clock/nvidia,tegra20-car.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/clock/nvidia,tegra20-car.txt | 154 |
1 files changed, 4 insertions, 150 deletions
diff --git a/Documentation/devicetree/bindings/clock/nvidia,tegra20-car.txt b/Documentation/devicetree/bindings/clock/nvidia,tegra20-car.txt index e885680f6b45..fcfed5bf73fb 100644 --- a/Documentation/devicetree/bindings/clock/nvidia,tegra20-car.txt +++ b/Documentation/devicetree/bindings/clock/nvidia,tegra20-car.txt @@ -12,155 +12,9 @@ Required properties : - clocks : Should contain phandle and clock specifiers for two clocks: the 32 KHz "32k_in", and the board-specific oscillator "osc". - #clock-cells : Should be 1. - In clock consumers, this cell represents the clock ID exposed by the CAR. - - The first 96 clocks are numbered to match the bits in the CAR's CLK_OUT_ENB - registers. These IDs often match those in the CAR's RST_DEVICES registers, - but not in all cases. Some bits in CLK_OUT_ENB affect multiple clocks. In - this case, those clocks are assigned IDs above 95 in order to highlight - this issue. Implementations that interpret these clock IDs as bit values - within the CLK_OUT_ENB or RST_DEVICES registers should be careful to - explicitly handle these special cases. - - The balance of the clocks controlled by the CAR are assigned IDs of 96 and - above. - - 0 cpu - 1 unassigned - 2 unassigned - 3 ac97 - 4 rtc - 5 tmr - 6 uart1 - 7 unassigned (register bit affects uart2 and vfir) - 8 gpio - 9 sdmmc2 - 10 unassigned (register bit affects spdif_in and spdif_out) - 11 i2s1 - 12 i2c1 - 13 ndflash - 14 sdmmc1 - 15 sdmmc4 - 16 twc - 17 pwm - 18 i2s2 - 19 epp - 20 unassigned (register bit affects vi and vi_sensor) - 21 2d - 22 usbd - 23 isp - 24 3d - 25 ide - 26 disp2 - 27 disp1 - 28 host1x - 29 vcp - 30 unassigned - 31 cache2 - - 32 mem - 33 ahbdma - 34 apbdma - 35 unassigned - 36 kbc - 37 stat_mon - 38 pmc - 39 fuse - 40 kfuse - 41 sbc1 - 42 snor - 43 spi1 - 44 sbc2 - 45 xio - 46 sbc3 - 47 dvc - 48 dsi - 49 unassigned (register bit affects tvo and cve) - 50 mipi - 51 hdmi - 52 csi - 53 tvdac - 54 i2c2 - 55 uart3 - 56 unassigned - 57 emc - 58 usb2 - 59 usb3 - 60 mpe - 61 vde - 62 bsea - 63 bsev - - 64 speedo - 65 uart4 - 66 uart5 - 67 i2c3 - 68 sbc4 - 69 sdmmc3 - 70 pcie - 71 owr - 72 afi - 73 csite - 74 unassigned - 75 avpucq - 76 la - 77 unassigned - 78 unassigned - 79 unassigned - 80 unassigned - 81 unassigned - 82 unassigned - 83 unassigned - 84 irama - 85 iramb - 86 iramc - 87 iramd - 88 cram2 - 89 audio_2x a/k/a audio_2x_sync_clk - 90 clk_d - 91 unassigned - 92 sus - 93 cdev2 - 94 cdev1 - 95 unassigned - - 96 uart2 - 97 vfir - 98 spdif_in - 99 spdif_out - 100 vi - 101 vi_sensor - 102 tvo - 103 cve - 104 osc - 105 clk_32k a/k/a clk_s - 106 clk_m - 107 sclk - 108 cclk - 109 hclk - 110 pclk - 111 blink - 112 pll_a - 113 pll_a_out0 - 114 pll_c - 115 pll_c_out1 - 116 pll_d - 117 pll_d_out0 - 118 pll_e - 119 pll_m - 120 pll_m_out1 - 121 pll_p - 122 pll_p_out1 - 123 pll_p_out2 - 124 pll_p_out3 - 125 pll_p_out4 - 126 pll_s - 127 pll_u - 128 pll_x - 129 cop a/k/a avp - 130 audio a/k/a audio_sync_clk - 131 pll_ref - 132 twd + In clock consumers, this cell represents the clock ID exposed by the + CAR. The assignments may be found in header file + <dt-bindings/clock/tegra20-car.h>. Example SoC include file: @@ -172,7 +26,7 @@ Example SoC include file: }; usb@c5004000 { - clocks = <&tegra_car 58>; /* usb2 */ + clocks = <&tegra_car TEGRA20_CLK_USB2>; }; }; |