tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1STMicroelectronics stih4xx platforms
2
3- sti-vtg: video timing generator
4 Required properties:
5 - compatible: "st,vtg"
6 - reg: Physical base address of the IP registers and length of memory mapped region.
7 Optional properties:
8 - interrupts : VTG interrupt number to the CPU.
9 - st,slave: phandle on a slave vtg
10
11- sti-vtac: video timing advanced inter dye communication Rx and TX
12 Required properties:
13 - compatible: "st,vtac-main" or "st,vtac-aux"
14 - reg: Physical base address of the IP registers and length of memory mapped region.
15 - clocks: from common clock binding: handle hardware IP needed clocks, the
16 number of clocks may depend of the SoC type.
17 See ../clocks/clock-bindings.txt for details.
18 - clock-names: names of the clocks listed in clocks property in the same
19 order.
20
21- sti-display-subsystem: Master device for DRM sub-components
22 This device must be the parent of all the sub-components and is responsible
23 of bind them.
24 Required properties:
25 - compatible: "st,sti-display-subsystem"
26 - ranges: to allow probing of subdevices
27
28- sti-compositor: frame compositor engine
29 must be a child of sti-display-subsystem
30 Required properties:
31 - compatible: "st,stih<chip>-compositor"
32 - reg: Physical base address of the IP registers and length of memory mapped region.
33 - clocks: from common clock binding: handle hardware IP needed clocks, the
34 number of clocks may depend of the SoC type.
35 See ../clocks/clock-bindings.txt for details.
36 - clock-names: names of the clocks listed in clocks property in the same
37 order.
38 - resets: resets to be used by the device
39 See ../reset/reset.txt for details.
40 - reset-names: names of the resets listed in resets property in the same
41 order.
42 - st,vtg: phandle(s) on vtg device (main and aux) nodes.
43
44- sti-tvout: video out hardware block
45 must be a child of sti-display-subsystem
46 Required properties:
47 - compatible: "st,stih<chip>-tvout"
48 - reg: Physical base address of the IP registers and length of memory mapped region.
49 - reg-names: names of the mapped memory regions listed in regs property in
50 the same order.
51 - resets: resets to be used by the device
52 See ../reset/reset.txt for details.
53 - reset-names: names of the resets listed in resets property in the same
54 order.
55 - ranges: to allow probing of subdevices
56
57- sti-hdmi: hdmi output block
58 must be a child of sti-tvout
59 Required properties:
60 - compatible: "st,stih<chip>-hdmi";
61 - reg: Physical base address of the IP registers and length of memory mapped region.
62 - reg-names: names of the mapped memory regions listed in regs property in
63 the same order.
64 - interrupts : HDMI interrupt number to the CPU.
65 - interrupt-names: name of the interrupts listed in interrupts property in
66 the same order
67 - clocks: from common clock binding: handle hardware IP needed clocks, the
68 number of clocks may depend of the SoC type.
69 - clock-names: names of the clocks listed in clocks property in the same
70 order.
71 - hdmi,hpd-gpio: gpio id to detect if an hdmi cable is plugged or not.
72
73sti-hda:
74 Required properties:
75 must be a child of sti-tvout
76 - compatible: "st,stih<chip>-hda"
77 - reg: Physical base address of the IP registers and length of memory mapped region.
78 - reg-names: names of the mapped memory regions listed in regs property in
79 the same order.
80 - clocks: from common clock binding: handle hardware IP needed clocks, the
81 number of clocks may depend of the SoC type.
82 See ../clocks/clock-bindings.txt for details.
83 - clock-names: names of the clocks listed in clocks property in the same
84 order.
85
86Example:
87
88/ {
89 ...
90
91 vtg_main_slave: sti-vtg-main-slave@fe85A800 {
92 compatible = "st,vtg";
93 reg = <0xfe85A800 0x300>;
94 interrupts = <GIC_SPI 175 IRQ_TYPE_NONE>;
95 };
96
97 vtg_main: sti-vtg-main-master@fd348000 {
98 compatible = "st,vtg";
99 reg = <0xfd348000 0x400>;
100 st,slave = <&vtg_main_slave>;
101 };
102
103 vtg_aux_slave: sti-vtg-aux-slave@fd348400 {
104 compatible = "st,vtg";
105 reg = <0xfe858200 0x300>;
106 interrupts = <GIC_SPI 176 IRQ_TYPE_NONE>;
107 };
108
109 vtg_aux: sti-vtg-aux-master@fd348400 {
110 compatible = "st,vtg";
111 reg = <0xfd348400 0x400>;
112 st,slave = <&vtg_aux_slave>;
113 };
114
115
116 sti-vtac-rx-main@fee82800 {
117 compatible = "st,vtac-main";
118 reg = <0xfee82800 0x200>;
119 clock-names = "vtac";
120 clocks = <&clk_m_a2_div0 CLK_M_VTAC_MAIN_PHY>;
121 };
122
123 sti-vtac-rx-aux@fee82a00 {
124 compatible = "st,vtac-aux";
125 reg = <0xfee82a00 0x200>;
126 clock-names = "vtac";
127 clocks = <&clk_m_a2_div0 CLK_M_VTAC_AUX_PHY>;
128 };
129
130 sti-vtac-tx-main@fd349000 {
131 compatible = "st,vtac-main";
132 reg = <0xfd349000 0x200>, <0xfd320000 0x10000>;
133 clock-names = "vtac";
134 clocks = <&clk_s_a1_hs CLK_S_VTAC_TX_PHY>;
135 };
136
137 sti-vtac-tx-aux@fd349200 {
138 compatible = "st,vtac-aux";
139 reg = <0xfd349200 0x200>, <0xfd320000 0x10000>;
140 clock-names = "vtac";
141 clocks = <&clk_s_a1_hs CLK_S_VTAC_TX_PHY>;
142 };
143
144 sti-display-subsystem {
145 compatible = "st,sti-display-subsystem";
146 ranges;
147
148 sti-compositor@fd340000 {
149 compatible = "st,stih416-compositor";
150 reg = <0xfd340000 0x1000>;
151 clock-names = "compo_main", "compo_aux",
152 "pix_main", "pix_aux";
153 clocks = <&clk_m_a2_div1 CLK_M_COMPO_MAIN>, <&clk_m_a2_div1 CLK_M_COMPO_AUX>,
154 <&clockgen_c_vcc CLK_S_PIX_MAIN>, <&clockgen_c_vcc CLK_S_PIX_AUX>;
155 reset-names = "compo-main", "compo-aux";
156 resets = <&softreset STIH416_COMPO_M_SOFTRESET>, <&softreset STIH416_COMPO_A_SOFTRESET>;
157 st,vtg = <&vtg_main>, <&vtg_aux>;
158 };
159
160 sti-tvout@fe000000 {
161 compatible = "st,stih416-tvout";
162 reg = <0xfe000000 0x1000>, <0xfe85a000 0x400>, <0xfe830000 0x10000>;
163 reg-names = "tvout-reg", "hda-reg", "syscfg";
164 reset-names = "tvout";
165 resets = <&softreset STIH416_HDTVOUT_SOFTRESET>;
166 ranges;
167
168 sti-hdmi@fe85c000 {
169 compatible = "st,stih416-hdmi";
170 reg = <0xfe85c000 0x1000>, <0xfe830000 0x10000>;
171 reg-names = "hdmi-reg", "syscfg";
172 interrupts = <GIC_SPI 173 IRQ_TYPE_NONE>;
173 interrupt-names = "irq";
174 clock-names = "pix", "tmds", "phy", "audio";
175 clocks = <&clockgen_c_vcc CLK_S_PIX_HDMI>, <&clockgen_c_vcc CLK_S_TMDS_HDMI>, <&clockgen_c_vcc CLK_S_HDMI_REJECT_PLL>, <&clockgen_b1 CLK_S_PCM_0>;
176 hdmi,hpd-gpio = <&PIO2 5>;
177 };
178
179 sti-hda@fe85a000 {
180 compatible = "st,stih416-hda";
181 reg = <0xfe85a000 0x400>, <0xfe83085c 0x4>;
182 reg-names = "hda-reg", "video-dacs-ctrl";
183 clock-names = "pix", "hddac";
184 clocks = <&clockgen_c_vcc CLK_S_PIX_HD>, <&clockgen_c_vcc CLK_S_HDDAC>;
185 };
186 };
187 };
188 ...
189};