diff options
author | Olof Johansson <olof@lixom.net> | 2012-09-13 10:20:33 +0400 |
---|---|---|
committer | Olof Johansson <olof@lixom.net> | 2012-09-13 10:20:33 +0400 |
commit | 73f5ae3132f8a3f1be76a6d3e76d783defbc22fc (patch) | |
tree | 8718260d692085f4eae3c5b30f2dba15e0af9132 | |
parent | cecb9a1e4dda8a8cb74227b79091edcd62e04674 (diff) | |
parent | 0e87e0436c0cc3954eb62181a96d7217ca955a4f (diff) | |
download | linux-73f5ae3132f8a3f1be76a6d3e76d783defbc22fc.tar.xz |
Merge tag 'imx-clk-dt-lookup' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/dt
It replaces the clk_register_clkdev in imx6q clock driver with DT
lookup. It depends on Mike's clk-3.7 branch.
* tag 'imx-clk-dt-lookup' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: imx6q: replace clk_register_clkdev with clock DT lookup
Resolved context add/remove conflict in arch/arm/boot/dts/imx6q.dtsi
-rw-r--r-- | Documentation/devicetree/bindings/clock/imx6q-clock.txt | 222 | ||||
-rw-r--r-- | arch/arm/boot/dts/imx6q-sabrelite.dts | 1 | ||||
-rw-r--r-- | arch/arm/boot/dts/imx6q.dtsi | 73 | ||||
-rw-r--r-- | arch/arm/mach-imx/clk-imx6q.c | 44 | ||||
-rw-r--r-- | arch/arm/mach-imx/mach-imx6q.c | 1 |
5 files changed, 291 insertions, 50 deletions
diff --git a/Documentation/devicetree/bindings/clock/imx6q-clock.txt b/Documentation/devicetree/bindings/clock/imx6q-clock.txt new file mode 100644 index 000000000000..492bd991d52a --- /dev/null +++ b/Documentation/devicetree/bindings/clock/imx6q-clock.txt @@ -0,0 +1,222 @@ +* Clock bindings for Freescale i.MX6 Quad + +Required properties: +- compatible: Should be "fsl,imx6q-ccm" +- reg: Address and length of the register set +- interrupts: Should contain CCM interrupt +- #clock-cells: Should be <1> + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. The following is a full list of i.MX6Q +clocks and IDs. + + Clock ID + --------------------------- + dummy 0 + ckil 1 + ckih 2 + osc 3 + pll2_pfd0_352m 4 + pll2_pfd1_594m 5 + pll2_pfd2_396m 6 + pll3_pfd0_720m 7 + pll3_pfd1_540m 8 + pll3_pfd2_508m 9 + pll3_pfd3_454m 10 + pll2_198m 11 + pll3_120m 12 + pll3_80m 13 + pll3_60m 14 + twd 15 + step 16 + pll1_sw 17 + periph_pre 18 + periph2_pre 19 + periph_clk2_sel 20 + periph2_clk2_sel 21 + axi_sel 22 + esai_sel 23 + asrc_sel 24 + spdif_sel 25 + gpu2d_axi 26 + gpu3d_axi 27 + gpu2d_core_sel 28 + gpu3d_core_sel 29 + gpu3d_shader_sel 30 + ipu1_sel 31 + ipu2_sel 32 + ldb_di0_sel 33 + ldb_di1_sel 34 + ipu1_di0_pre_sel 35 + ipu1_di1_pre_sel 36 + ipu2_di0_pre_sel 37 + ipu2_di1_pre_sel 38 + ipu1_di0_sel 39 + ipu1_di1_sel 40 + ipu2_di0_sel 41 + ipu2_di1_sel 42 + hsi_tx_sel 43 + pcie_axi_sel 44 + ssi1_sel 45 + ssi2_sel 46 + ssi3_sel 47 + usdhc1_sel 48 + usdhc2_sel 49 + usdhc3_sel 50 + usdhc4_sel 51 + enfc_sel 52 + emi_sel 53 + emi_slow_sel 54 + vdo_axi_sel 55 + vpu_axi_sel 56 + cko1_sel 57 + periph 58 + periph2 59 + periph_clk2 60 + periph2_clk2 61 + ipg 62 + ipg_per 63 + esai_pred 64 + esai_podf 65 + asrc_pred 66 + asrc_podf 67 + spdif_pred 68 + spdif_podf 69 + can_root 70 + ecspi_root 71 + gpu2d_core_podf 72 + gpu3d_core_podf 73 + gpu3d_shader 74 + ipu1_podf 75 + ipu2_podf 76 + ldb_di0_podf 77 + ldb_di1_podf 78 + ipu1_di0_pre 79 + ipu1_di1_pre 80 + ipu2_di0_pre 81 + ipu2_di1_pre 82 + hsi_tx_podf 83 + ssi1_pred 84 + ssi1_podf 85 + ssi2_pred 86 + ssi2_podf 87 + ssi3_pred 88 + ssi3_podf 89 + uart_serial_podf 90 + usdhc1_podf 91 + usdhc2_podf 92 + usdhc3_podf 93 + usdhc4_podf 94 + enfc_pred 95 + enfc_podf 96 + emi_podf 97 + emi_slow_podf 98 + vpu_axi_podf 99 + cko1_podf 100 + axi 101 + mmdc_ch0_axi_podf 102 + mmdc_ch1_axi_podf 103 + arm 104 + ahb 105 + apbh_dma 106 + asrc 107 + can1_ipg 108 + can1_serial 109 + can2_ipg 110 + can2_serial 111 + ecspi1 112 + ecspi2 113 + ecspi3 114 + ecspi4 115 + ecspi5 116 + enet 117 + esai 118 + gpt_ipg 119 + gpt_ipg_per 120 + gpu2d_core 121 + gpu3d_core 122 + hdmi_iahb 123 + hdmi_isfr 124 + i2c1 125 + i2c2 126 + i2c3 127 + iim 128 + enfc 129 + ipu1 130 + ipu1_di0 131 + ipu1_di1 132 + ipu2 133 + ipu2_di0 134 + ldb_di0 135 + ldb_di1 136 + ipu2_di1 137 + hsi_tx 138 + mlb 139 + mmdc_ch0_axi 140 + mmdc_ch1_axi 141 + ocram 142 + openvg_axi 143 + pcie_axi 144 + pwm1 145 + pwm2 146 + pwm3 147 + pwm4 148 + per1_bch 149 + gpmi_bch_apb 150 + gpmi_bch 151 + gpmi_io 152 + gpmi_apb 153 + sata 154 + sdma 155 + spba 156 + ssi1 157 + ssi2 158 + ssi3 159 + uart_ipg 160 + uart_serial 161 + usboh3 162 + usdhc1 163 + usdhc2 164 + usdhc3 165 + usdhc4 166 + vdo_axi 167 + vpu_axi 168 + cko1 169 + pll1_sys 170 + pll2_bus 171 + pll3_usb_otg 172 + pll4_audio 173 + pll5_video 174 + pll6_mlb 175 + pll7_usb_host 176 + pll8_enet 177 + ssi1_ipg 178 + ssi2_ipg 179 + ssi3_ipg 180 + rom 181 + usbphy1 182 + usbphy2 183 + ldb_di0_div_3_5 184 + ldb_di1_div_3_5 185 + +Examples: + +clks: ccm@020c4000 { + compatible = "fsl,imx6q-ccm"; + reg = <0x020c4000 0x4000>; + interrupts = <0 87 0x04 0 88 0x04>; + #clock-cells = <1>; + clock-output-names = ... + "uart_ipg", + "uart_serial", + ...; +}; + +uart1: serial@02020000 { + compatible = "fsl,imx6q-uart", "fsl,imx21-uart"; + reg = <0x02020000 0x4000>; + interrupts = <0 26 0x04>; + clocks = <&clks 160>, <&clks 161>; + clock-names = "ipg", "per"; + status = "disabled"; +}; diff --git a/arch/arm/boot/dts/imx6q-sabrelite.dts b/arch/arm/boot/dts/imx6q-sabrelite.dts index 1c57e19e8a8a..0fb29ca7a9e1 100644 --- a/arch/arm/boot/dts/imx6q-sabrelite.dts +++ b/arch/arm/boot/dts/imx6q-sabrelite.dts @@ -122,6 +122,7 @@ codec: sgtl5000@0a { compatible = "fsl,sgtl5000"; reg = <0x0a>; + clocks = <&clks 169>; VDDA-supply = <®_2p5v>; VDDIO-supply = <®_3p3v>; }; diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi index 1d07be2530b5..e45476dc6d32 100644 --- a/arch/arm/boot/dts/imx6q.dtsi +++ b/arch/arm/boot/dts/imx6q.dtsi @@ -97,18 +97,23 @@ dma-apbh@00110000 { compatible = "fsl,imx6q-dma-apbh", "fsl,imx28-dma-apbh"; reg = <0x00110000 0x2000>; + clocks = <&clks 106>; }; gpmi-nand@00112000 { - compatible = "fsl,imx6q-gpmi-nand"; - #address-cells = <1>; - #size-cells = <1>; - reg = <0x00112000 0x2000>, <0x00114000 0x2000>; - reg-names = "gpmi-nand", "bch"; - interrupts = <0 13 0x04>, <0 15 0x04>; - interrupt-names = "gpmi-dma", "bch"; - fsl,gpmi-dma-channel = <0>; - status = "disabled"; + compatible = "fsl,imx6q-gpmi-nand"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x00112000 0x2000>, <0x00114000 0x2000>; + reg-names = "gpmi-nand", "bch"; + interrupts = <0 13 0x04>, <0 15 0x04>; + interrupt-names = "gpmi-dma", "bch"; + clocks = <&clks 152>, <&clks 153>, <&clks 151>, + <&clks 150>, <&clks 149>; + clock-names = "gpmi_io", "gpmi_apb", "gpmi_bch", + "gpmi_bch_apb", "per1_bch"; + fsl,gpmi-dma-channel = <0>; + status = "disabled"; }; timer@00a00600 { @@ -150,6 +155,8 @@ compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi"; reg = <0x02008000 0x4000>; interrupts = <0 31 0x04>; + clocks = <&clks 112>, <&clks 112>; + clock-names = "ipg", "per"; status = "disabled"; }; @@ -159,6 +166,8 @@ compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi"; reg = <0x0200c000 0x4000>; interrupts = <0 32 0x04>; + clocks = <&clks 113>, <&clks 113>; + clock-names = "ipg", "per"; status = "disabled"; }; @@ -168,6 +177,8 @@ compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi"; reg = <0x02010000 0x4000>; interrupts = <0 33 0x04>; + clocks = <&clks 114>, <&clks 114>; + clock-names = "ipg", "per"; status = "disabled"; }; @@ -177,6 +188,8 @@ compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi"; reg = <0x02014000 0x4000>; interrupts = <0 34 0x04>; + clocks = <&clks 115>, <&clks 115>; + clock-names = "ipg", "per"; status = "disabled"; }; @@ -186,6 +199,8 @@ compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi"; reg = <0x02018000 0x4000>; interrupts = <0 35 0x04>; + clocks = <&clks 116>, <&clks 116>; + clock-names = "ipg", "per"; status = "disabled"; }; @@ -193,6 +208,8 @@ compatible = "fsl,imx6q-uart", "fsl,imx21-uart"; reg = <0x02020000 0x4000>; interrupts = <0 26 0x04>; + clocks = <&clks 160>, <&clks 161>; + clock-names = "ipg", "per"; status = "disabled"; }; @@ -205,6 +222,7 @@ compatible = "fsl,imx6q-ssi","fsl,imx21-ssi"; reg = <0x02028000 0x4000>; interrupts = <0 46 0x04>; + clocks = <&clks 178>; fsl,fifo-depth = <15>; fsl,ssi-dma-events = <38 37>; status = "disabled"; @@ -214,6 +232,7 @@ compatible = "fsl,imx6q-ssi","fsl,imx21-ssi"; reg = <0x0202c000 0x4000>; interrupts = <0 47 0x04>; + clocks = <&clks 179>; fsl,fifo-depth = <15>; fsl,ssi-dma-events = <42 41>; status = "disabled"; @@ -223,6 +242,7 @@ compatible = "fsl,imx6q-ssi","fsl,imx21-ssi"; reg = <0x02030000 0x4000>; interrupts = <0 48 0x04>; + clocks = <&clks 180>; fsl,fifo-depth = <15>; fsl,ssi-dma-events = <46 45>; status = "disabled"; @@ -362,19 +382,22 @@ compatible = "fsl,imx6q-wdt", "fsl,imx21-wdt"; reg = <0x020bc000 0x4000>; interrupts = <0 80 0x04>; + clocks = <&clks 0>; }; wdog@020c0000 { /* WDOG2 */ compatible = "fsl,imx6q-wdt", "fsl,imx21-wdt"; reg = <0x020c0000 0x4000>; interrupts = <0 81 0x04>; + clocks = <&clks 0>; status = "disabled"; }; - ccm@020c4000 { + clks: ccm@020c4000 { compatible = "fsl,imx6q-ccm"; reg = <0x020c4000 0x4000>; interrupts = <0 87 0x04 0 88 0x04>; + #clock-cells = <1>; }; anatop@020c8000 { @@ -471,12 +494,14 @@ 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 { @@ -724,6 +749,9 @@ 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"; }; }; @@ -747,6 +775,7 @@ compatible = "fsl,imx6q-usb", "fsl,imx27-usb"; reg = <0x02184000 0x200>; interrupts = <0 43 0x04>; + clocks = <&clks 162>; fsl,usbphy = <&usbphy1>; status = "disabled"; }; @@ -755,6 +784,7 @@ compatible = "fsl,imx6q-usb", "fsl,imx27-usb"; reg = <0x02184200 0x200>; interrupts = <0 40 0x04>; + clocks = <&clks 162>; fsl,usbphy = <&usbphy2>; status = "disabled"; }; @@ -763,6 +793,7 @@ compatible = "fsl,imx6q-usb", "fsl,imx27-usb"; reg = <0x02184400 0x200>; interrupts = <0 41 0x04>; + clocks = <&clks 162>; status = "disabled"; }; @@ -770,6 +801,7 @@ compatible = "fsl,imx6q-usb", "fsl,imx27-usb"; reg = <0x02184600 0x200>; interrupts = <0 42 0x04>; + clocks = <&clks 162>; status = "disabled"; }; @@ -777,6 +809,8 @@ 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"; }; @@ -789,6 +823,8 @@ 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"; }; @@ -796,6 +832,8 @@ 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"; }; @@ -803,6 +841,8 @@ 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"; }; @@ -810,6 +850,8 @@ 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"; }; @@ -819,6 +861,7 @@ compatible = "fsl,imx6q-i2c", "fsl,imx1-i2c"; reg = <0x021a0000 0x4000>; interrupts = <0 36 0x04>; + clocks = <&clks 125>; status = "disabled"; }; @@ -828,6 +871,7 @@ compatible = "fsl,imx6q-i2c", "fsl,imx1-i2c"; reg = <0x021a4000 0x4000>; interrupts = <0 37 0x04>; + clocks = <&clks 126>; status = "disabled"; }; @@ -837,6 +881,7 @@ compatible = "fsl,imx6q-i2c", "fsl,imx1-i2c"; reg = <0x021a8000 0x4000>; interrupts = <0 38 0x04>; + clocks = <&clks 127>; status = "disabled"; }; @@ -900,6 +945,8 @@ 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"; }; @@ -907,6 +954,8 @@ 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"; }; @@ -914,6 +963,8 @@ 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"; }; @@ -921,6 +972,8 @@ 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"; }; }; diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c index 4233d9e3531d..32fdf73b8e5b 100644 --- a/arch/arm/mach-imx/clk-imx6q.c +++ b/arch/arm/mach-imx/clk-imx6q.c @@ -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, @@ -394,48 +395,13 @@ 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); diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 754f1ee34d8a..692b4b143bb1 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -99,7 +99,6 @@ 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); |