bindings/spi/samsung%2Cspi.yaml

1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/samsung,spi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Samsung S3C/S5P/Exynos SoC SPI controller
10   - Krzysztof Kozlowski <krzk@kernel.org>
13   All the SPI controller nodes should be represented in the aliases node using
14   the following format 'spi{n}' where n is a unique number for the alias.
19       - enum:
20           - google,gs101-spi
21           - samsung,s3c2443-spi # for S3C2443, S3C2416 and S3C2450
22           - samsung,s3c6410-spi
23           - samsung,s5pv210-spi # for S5PV210 and S5PC110
24           - samsung,exynos4210-spi
25           - samsung,exynos5433-spi
26           - samsung,exynos850-spi
27           - samsung,exynosautov9-spi
28           - tesla,fsd-spi
29       - const: samsung,exynos7-spi
36   clock-names:
44   dma-names:
46       - const: tx
47       - const: rx
52   no-cs-readback:
58   num-cs:
63   samsung,spi-src-clk:
65       If the spi controller includes a internal clock mux to select the clock
66       source for the spi bus clock, this property can be used to indicate the
67       clock to be used for driving the spi bus clock. If not specified, the
76   - compatible
77   - clocks
78   - clock-names
79   - interrupts
80   - reg
83   - $ref: spi-controller.yaml#
84   - if:
89               - samsung,exynos5433-spi
90               - samsung,exynosautov9-spi
96         clock-names:
98             - const: spi
99             - enum:
100                 - spi_busclk0
101                 - spi_busclk1
102                 - spi_busclk2
103                 - spi_busclk3
104             - const: spi_ioclk
110         clock-names:
112             - const: spi
113             - enum:
114                 - spi_busclk0
115                 - spi_busclk1
116                 - spi_busclk2
117                 - spi_busclk3
122   - |
123     #include <dt-bindings/clock/exynos5433.h>
124     #include <dt-bindings/clock/samsung,s2mps11.h>
125     #include <dt-bindings/interrupt-controller/arm-gic.h>
126     #include <dt-bindings/gpio/gpio.h>
128     spi@14d30000 {
129         compatible = "samsung,exynos5433-spi";
133         dma-names = "tx", "rx";
134         #address-cells = <1>;
135         #size-cells = <0>;
139         clock-names = "spi",
142         samsung,spi-src-clk = <0>;
143         pinctrl-names = "default";
144         pinctrl-0 = <&spi1_bus>;
145         num-cs = <1>;
147         cs-gpios = <&gpd6 3 GPIO_ACTIVE_HIGH>;
149         audio-codec@0 {
152             spi-max-frequency = <20000000>;
153             interrupt-parent = <&gpa0>;
157             clock-names = "mclk1", "mclk2";
159             gpio-controller;
160             #gpio-cells = <2>;
161             interrupt-controller;
162             #interrupt-cells = <2>;
164             wlf,micd-detect-debounce = <300>;
165             wlf,micd-bias-start-time = <0x1>;
166             wlf,micd-rate = <0x7>;
167             wlf,micd-dbtime = <0x2>;
168             wlf,micd-force-micbias;
169             wlf,micd-configs = <0x0 1 0>;
170             wlf,hpdet-channel = <1>;
178             AVDD-supply = <&ldo18_reg>;
179             DBVDD1-supply = <&ldo18_reg>;
180             CPVDD-supply = <&ldo18_reg>;
181             DBVDD2-supply = <&ldo18_reg>;
182             DBVDD3-supply = <&ldo18_reg>;
183             SPKVDDL-supply = <&ldo18_reg>;
184             SPKVDDR-supply = <&ldo18_reg>;
186             controller-data {
187                 samsung,spi-feedback-delay = <0>;