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authorArnd Bergmann <arnd@arndb.de>2013-04-09 17:10:31 +0200
committerArnd Bergmann <arnd@arndb.de>2013-04-09 17:10:31 +0200
commit2b07910131b7935d9c532e0a769a0875560e18d1 (patch)
tree6c7feab9eb5a03ccee8f07cbeec13d1a40d34c06 /Documentation
parent5790c58b133913f92fd737c03efce9db7a1d2d4d (diff)
parent964ea47572b89589b61b553e44bbe9907d4f12a6 (diff)
Merge tag 'tegra-for-3.10-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/drivers
From Stephen Warren <swarren@wwwdotorg.org>: ARM: tegra: clock driver development This branch contains most fixes and enhancements to the Tegra common clock driver. The main new feature is a driver for Tegra114, which coupled with later device tree changes enables many devices on that chip, such as MMC, I2C, etc. This branch depends on a patch in: git://git.linaro.org/people/mturquette/linux.git clk-for-3.10 Mike has stated that this branch is stable, and is aware of this dependency and merge. Mike's branch is based on v3.9-rc3, which includes a USB change which causes problems on Tegra. That problem was fixed in v3.9-rc4. Hence, this branch pulls in v3.9-rc4 to ensure bisectability as much as possible. This branch is based on v3.9-rc4, followed by a merge of previous Tegra "soc" pull request, followed by a merge of clk-for-3.10. * tag 'tegra-for-3.10-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: clk: tegra: fix enum tegra114_clk to match binding clk: tegra: Remove forced clk_enable of uartd ARM: dt: Add references to tegra_car clocks clk: tegra: devicetree match for nvidia,tegra114-car clk: tegra: Implement clocks for Tegra114 ARM: tegra: Define Tegra114 CAR binding clk: tegra: Workaround for Tegra114 MSENC problem clk: tegra: Add flags to tegra_clk_periph() clk: tegra: Add new fields and PLL types for Tegra114 clk: tegra: move from a lock bit idx to a lock mask clk: tegra: Add PLL post divider table clk: tegra: introduce TEGRA_PLL_HAS_LOCK_ENABLE clk: tegra: Add TEGRA_PLL_BYPASS flag clk: tegra: Refactor PLL programming code clk: tegra: provide dummy cpu car ops clk: tegra: defer application of init table clk: tegra: Fix cdev1 and cdev2 IDs clk: tegra: Make gr2d and gr3d clocks children of pll_c clk: tegra: Export peripheral reset functions clk: tegra: Fix periph_clk_to_bit macro Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/clock/nvidia,tegra114-car.txt303
-rw-r--r--Documentation/devicetree/bindings/clock/nvidia,tegra20-car.txt4
2 files changed, 305 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/clock/nvidia,tegra114-car.txt b/Documentation/devicetree/bindings/clock/nvidia,tegra114-car.txt
new file mode 100644
index 000000000000..d6cb083b90a2
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/nvidia,tegra114-car.txt
@@ -0,0 +1,303 @@
+NVIDIA Tegra114 Clock And Reset Controller
+
+This binding uses the common clock binding:
+Documentation/devicetree/bindings/clock/clock-bindings.txt
+
+The CAR (Clock And Reset) Controller on Tegra is the HW module responsible
+for muxing and gating Tegra's clocks, and setting their rates.
+
+Required properties :
+- compatible : Should be "nvidia,tegra114-car"
+- reg : Should contain CAR registers location and length
+- 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 160 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 160 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 160 and
+ above.
+
+ 0 unassigned
+ 1 unassigned
+ 2 unassigned
+ 3 unassigned
+ 4 rtc
+ 5 timer
+ 6 uarta
+ 7 unassigned (register bit affects uartb and vfir)
+ 8 unassigned
+ 9 sdmmc2
+ 10 unassigned (register bit affects spdif_in and spdif_out)
+ 11 i2s1
+ 12 i2c1
+ 13 ndflash
+ 14 sdmmc1
+ 15 sdmmc4
+ 16 unassigned
+ 17 pwm
+ 18 i2s2
+ 19 epp
+ 20 unassigned (register bit affects vi and vi_sensor)
+ 21 2d
+ 22 usbd
+ 23 isp
+ 24 3d
+ 25 unassigned
+ 26 disp2
+ 27 disp1
+ 28 host1x
+ 29 vcp
+ 30 i2s0
+ 31 unassigned
+
+ 32 unassigned
+ 33 unassigned
+ 34 apbdma
+ 35 unassigned
+ 36 kbc
+ 37 unassigned
+ 38 unassigned
+ 39 unassigned (register bit affects fuse and fuse_burn)
+ 40 kfuse
+ 41 sbc1
+ 42 nor
+ 43 unassigned
+ 44 sbc2
+ 45 unassigned
+ 46 sbc3
+ 47 i2c5
+ 48 dsia
+ 49 unassigned
+ 50 mipi
+ 51 hdmi
+ 52 csi
+ 53 unassigned
+ 54 i2c2
+ 55 uartc
+ 56 mipi-cal
+ 57 emc
+ 58 usb2
+ 59 usb3
+ 60 msenc
+ 61 vde
+ 62 bsea
+ 63 bsev
+
+ 64 unassigned
+ 65 uartd
+ 66 unassigned
+ 67 i2c3
+ 68 sbc4
+ 69 sdmmc3
+ 70 unassigned
+ 71 owr
+ 72 afi
+ 73 csite
+ 74 unassigned
+ 75 unassigned
+ 76 la
+ 77 trace
+ 78 soc_therm
+ 79 dtv
+ 80 ndspeed
+ 81 i2cslow
+ 82 dsib
+ 83 tsec
+ 84 unassigned
+ 85 unassigned
+ 86 unassigned
+ 87 unassigned
+ 88 unassigned
+ 89 xusb_host
+ 90 unassigned
+ 91 msenc
+ 92 csus
+ 93 unassigned
+ 94 unassigned
+ 95 unassigned (bit affects xusb_dev and xusb_dev_src)
+
+ 96 unassigned
+ 97 unassigned
+ 98 unassigned
+ 99 mselect
+ 100 tsensor
+ 101 i2s3
+ 102 i2s4
+ 103 i2c4
+ 104 sbc5
+ 105 sbc6
+ 106 d_audio
+ 107 apbif
+ 108 dam0
+ 109 dam1
+ 110 dam2
+ 111 hda2codec_2x
+ 112 unassigned
+ 113 audio0_2x
+ 114 audio1_2x
+ 115 audio2_2x
+ 116 audio3_2x
+ 117 audio4_2x
+ 118 spdif_2x
+ 119 actmon
+ 120 extern1
+ 121 extern2
+ 122 extern3
+ 123 unassigned
+ 124 unassigned
+ 125 hda
+ 126 unassigned
+ 127 se
+
+ 128 hda2hdmi
+ 129 unassigned
+ 130 unassigned
+ 131 unassigned
+ 132 unassigned
+ 133 unassigned
+ 134 unassigned
+ 135 unassigned
+ 136 unassigned
+ 137 unassigned
+ 138 unassigned
+ 139 unassigned
+ 140 unassigned
+ 141 unassigned
+ 142 unassigned
+ 143 unassigned (bit affects xusb_falcon_src, xusb_fs_src,
+ xusb_host_src and xusb_ss_src)
+ 144 cilab
+ 145 cilcd
+ 146 cile
+ 147 dsialp
+ 148 dsiblp
+ 149 unassigned
+ 150 dds
+ 151 unassigned
+ 152 dp2
+ 153 amx
+ 154 adx
+ 155 unassigned (bit affects dfll_ref and dfll_soc)
+ 156 xusb_ss
+
+ 192 uartb
+ 193 vfir
+ 194 spdif_in
+ 195 spdif_out
+ 196 vi
+ 197 vi_sensor
+ 198 fuse
+ 199 fuse_burn
+ 200 clk_32k
+ 201 clk_m
+ 202 clk_m_div2
+ 203 clk_m_div4
+ 204 pll_ref
+ 205 pll_c
+ 206 pll_c_out1
+ 207 pll_c2
+ 208 pll_c3
+ 209 pll_m
+ 210 pll_m_out1
+ 211 pll_p
+ 212 pll_p_out1
+ 213 pll_p_out2
+ 214 pll_p_out3
+ 215 pll_p_out4
+ 216 pll_a
+ 217 pll_a_out0
+ 218 pll_d
+ 219 pll_d_out0
+ 220 pll_d2
+ 221 pll_d2_out0
+ 222 pll_u
+ 223 pll_u_480M
+ 224 pll_u_60M
+ 225 pll_u_48M
+ 226 pll_u_12M
+ 227 pll_x
+ 228 pll_x_out0
+ 229 pll_re_vco
+ 230 pll_re_out
+ 231 pll_e_out0
+ 232 spdif_in_sync
+ 233 i2s0_sync
+ 234 i2s1_sync
+ 235 i2s2_sync
+ 236 i2s3_sync
+ 237 i2s4_sync
+ 238 vimclk_sync
+ 239 audio0
+ 240 audio1
+ 241 audio2
+ 242 audio3
+ 243 audio4
+ 244 spdif
+ 245 clk_out_1
+ 246 clk_out_2
+ 247 clk_out_3
+ 248 blink
+ 252 xusb_host_src
+ 253 xusb_falcon_src
+ 254 xusb_fs_src
+ 255 xusb_ss_src
+ 256 xusb_dev_src
+ 257 xusb_dev
+ 258 xusb_hs_src
+ 259 sclk
+ 260 hclk
+ 261 pclk
+ 262 cclk_g
+ 263 cclk_lp
+ 264 dfll_ref
+ 265 dfll_soc
+
+Example SoC include file:
+
+/ {
+ tegra_car: clock {
+ compatible = "nvidia,tegra114-car";
+ reg = <0x60006000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ usb@c5004000 {
+ clocks = <&tegra_car 58>; /* usb2 */
+ };
+};
+
+Example board file:
+
+/ {
+ clocks {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ osc: clock@0 {
+ compatible = "fixed-clock";
+ reg = <0>;
+ #clock-cells = <0>;
+ clock-frequency = <12000000>;
+ };
+
+ clk_32k: clock@1 {
+ compatible = "fixed-clock";
+ reg = <1>;
+ #clock-cells = <0>;
+ clock-frequency = <32768>;
+ };
+ };
+
+ &tegra_car {
+ clocks = <&clk_32k> <&osc>;
+ };
+};
diff --git a/Documentation/devicetree/bindings/clock/nvidia,tegra20-car.txt b/Documentation/devicetree/bindings/clock/nvidia,tegra20-car.txt
index 0921fac73528..e885680f6b45 100644
--- a/Documentation/devicetree/bindings/clock/nvidia,tegra20-car.txt
+++ b/Documentation/devicetree/bindings/clock/nvidia,tegra20-car.txt
@@ -120,8 +120,8 @@ Required properties :
90 clk_d
91 unassigned
92 sus
- 93 cdev1
- 94 cdev2
+ 93 cdev2
+ 94 cdev1
95 unassigned
96 uart2