xref: /freebsd/sys/contrib/device-tree/Bindings/display/st,stih4xx.txt (revision 7ef62cebc2f965b0f640263e179276928885e33d)
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
56- sti-hdmi: hdmi output block
57  must be a child of sti-display-subsystem
58  Required properties:
59  - compatible: "st,stih<chip>-hdmi";
60  - reg: Physical base address of the IP registers and length of memory mapped region.
61  - reg-names: names of the mapped memory regions listed in regs property in
62    the same order.
63  - interrupts : HDMI interrupt number to the CPU.
64  - interrupt-names: names of the interrupts listed in interrupts property in
65    the same order
66  - clocks: from common clock binding: handle hardware IP needed clocks, the
67    number of clocks may depend of the SoC type.
68  - clock-names: names of the clocks listed in clocks property in the same
69    order.
70  - ddc: phandle of an I2C controller used for DDC EDID probing
71
72sti-hda:
73  Required properties:
74  must be a child of sti-display-subsystem
75  - compatible: "st,stih<chip>-hda"
76  - reg: Physical base address of the IP registers and length of memory mapped region.
77  - reg-names: names of the mapped memory regions listed in regs property in
78    the same order.
79  - clocks: from common clock binding: handle hardware IP needed clocks, the
80    number of clocks may depend of the SoC type.
81    See ../clocks/clock-bindings.txt for details.
82  - clock-names: names of the clocks listed in clocks property in the same
83    order.
84
85sti-dvo:
86  Required properties:
87  must be a child of sti-display-subsystem
88  - compatible: "st,stih<chip>-dvo"
89  - reg: Physical base address of the IP registers and length of memory mapped region.
90  - reg-names: names of the mapped memory regions listed in regs property in
91    the same order.
92  - clocks: from common clock binding: handle hardware IP needed clocks, the
93    number of clocks may depend of the SoC type.
94    See ../clocks/clock-bindings.txt for details.
95  - clock-names: names of the clocks listed in clocks property in the same
96    order.
97  - pinctrl-0: pin control handle
98  - pinctrl-names: names of the pin control states to use
99  - sti,panel: phandle of the panel connected to the DVO output
100
101sti-hqvdp:
102  must be a child of sti-display-subsystem
103  Required properties:
104  - compatible: "st,stih<chip>-hqvdp"
105  - reg: Physical base address of the IP registers and length of memory mapped region.
106  - clocks: from common clock binding: handle hardware IP needed clocks, the
107    number of clocks may depend of the SoC type.
108    See ../clocks/clock-bindings.txt for details.
109  - clock-names: names of the clocks listed in clocks property in the same
110    order.
111  - resets: resets to be used by the device
112    See ../reset/reset.txt for details.
113  - reset-names: names of the resets listed in resets property in the same
114    order.
115  - st,vtg: phandle on vtg main device node.
116
117Example:
118
119/ {
120	...
121
122	vtg_main_slave: sti-vtg-main-slave@fe85a800 {
123		compatible	= "st,vtg";
124		reg		= <0xfe85A800 0x300>;
125		interrupts	= <GIC_SPI 175 IRQ_TYPE_NONE>;
126	};
127
128	vtg_main: sti-vtg-main-master@fd348000 {
129		compatible	= "st,vtg";
130		reg		= <0xfd348000 0x400>;
131		st,slave	= <&vtg_main_slave>;
132	};
133
134	vtg_aux_slave: sti-vtg-aux-slave@fd348400 {
135		compatible	= "st,vtg";
136		reg		= <0xfe858200 0x300>;
137		interrupts	= <GIC_SPI 176 IRQ_TYPE_NONE>;
138	};
139
140	vtg_aux: sti-vtg-aux-master@fd348400 {
141		compatible	= "st,vtg";
142		reg		= <0xfd348400 0x400>;
143		st,slave	= <&vtg_aux_slave>;
144	};
145
146
147	sti-vtac-rx-main@fee82800 {
148		compatible	= "st,vtac-main";
149		reg		= <0xfee82800 0x200>;
150		clock-names     = "vtac";
151		clocks          = <&clk_m_a2_div0 CLK_M_VTAC_MAIN_PHY>;
152	};
153
154	sti-vtac-rx-aux@fee82a00 {
155		compatible	= "st,vtac-aux";
156		reg		= <0xfee82a00 0x200>;
157		clock-names     = "vtac";
158		clocks          = <&clk_m_a2_div0 CLK_M_VTAC_AUX_PHY>;
159	};
160
161	sti-vtac-tx-main@fd349000 {
162		compatible	= "st,vtac-main";
163		reg		= <0xfd349000 0x200>, <0xfd320000 0x10000>;
164		clock-names     = "vtac";
165		clocks           = <&clk_s_a1_hs CLK_S_VTAC_TX_PHY>;
166	};
167
168	sti-vtac-tx-aux@fd349200 {
169		compatible	= "st,vtac-aux";
170		reg		= <0xfd349200 0x200>, <0xfd320000 0x10000>;
171		clock-names     = "vtac";
172		clocks          = <&clk_s_a1_hs CLK_S_VTAC_TX_PHY>;
173	};
174
175	sti-display-subsystem {
176		compatible = "st,sti-display-subsystem";
177		ranges;
178
179		sti-compositor@fd340000 {
180			compatible	= "st,stih416-compositor";
181			reg		= <0xfd340000 0x1000>;
182			clock-names	= "compo_main", "compo_aux",
183			                  "pix_main", "pix_aux";
184			clocks          = <&clk_m_a2_div1 CLK_M_COMPO_MAIN>, <&clk_m_a2_div1 CLK_M_COMPO_AUX>,
185					  <&clockgen_c_vcc CLK_S_PIX_MAIN>, <&clockgen_c_vcc CLK_S_PIX_AUX>;
186			reset-names     = "compo-main", "compo-aux";
187			resets          = <&softreset STIH416_COMPO_M_SOFTRESET>, <&softreset STIH416_COMPO_A_SOFTRESET>;
188			st,vtg		= <&vtg_main>, <&vtg_aux>;
189		};
190
191		sti-tvout@fe000000 {
192			compatible	= "st,stih416-tvout";
193			reg		= <0xfe000000 0x1000>, <0xfe85a000 0x400>, <0xfe830000 0x10000>;
194			reg-names	= "tvout-reg", "hda-reg", "syscfg";
195			reset-names     = "tvout";
196			resets          = <&softreset STIH416_HDTVOUT_SOFTRESET>;
197		};
198
199		sti-hdmi@fe85c000 {
200			compatible	= "st,stih416-hdmi";
201			reg		= <0xfe85c000 0x1000>, <0xfe830000 0x10000>;
202			reg-names	= "hdmi-reg", "syscfg";
203			interrupts	= <GIC_SPI 173 IRQ_TYPE_NONE>;
204			interrupt-names	= "irq";
205			clock-names	= "pix", "tmds", "phy", "audio";
206			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>;
207		};
208
209		sti-hda@fe85a000 {
210			compatible	= "st,stih416-hda";
211			reg		= <0xfe85a000 0x400>, <0xfe83085c 0x4>;
212			reg-names	= "hda-reg", "video-dacs-ctrl";
213			clock-names	= "pix", "hddac";
214			clocks          = <&clockgen_c_vcc CLK_S_PIX_HD>, <&clockgen_c_vcc CLK_S_HDDAC>;
215		};
216
217		sti-dvo@8d00400 {
218			compatible	= "st,stih407-dvo";
219			reg		= <0x8d00400 0x200>;
220			reg-names	= "dvo-reg";
221			clock-names	= "dvo_pix", "dvo",
222					  "main_parent", "aux_parent";
223			clocks		= <&clk_s_d2_flexgen CLK_PIX_DVO>, <&clk_s_d2_flexgen CLK_DVO>,
224					  <&clk_s_d2_quadfs 0>, <&clk_s_d2_quadfs 1>;
225			pinctrl-names	= "default";
226			pinctrl-0	= <&pinctrl_dvo>;
227			sti,panel	= <&panel_dvo>;
228		};
229
230		sti-hqvdp@9c000000 {
231				compatible	= "st,stih407-hqvdp";
232				reg		= <0x9C00000 0x100000>;
233				clock-names	= "hqvdp", "pix_main";
234				clocks		= <&clk_s_c0_flexgen CLK_MAIN_DISP>, <&clk_s_d2_flexgen CLK_PIX_MAIN_DISP>;
235				reset-names     = "hqvdp";
236				resets          = <&softreset STIH407_HDQVDP_SOFTRESET>;
237				st,vtg		= <&vtg_main>;
238		};
239	};
240	...
241};
242