Lines Matching +full:tuning +full:- +full:step
1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mmc/marvell,xenon-sdhci.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 mmc-controller.yaml and the properties used by the Xenon implementation.
20 - Ulf Hansson <ulf.hansson@linaro.org>
25 - enum:
26 - marvell,armada-cp110-sdhci
27 - marvell,armada-ap806-sdhci
29 - items:
30 - enum:
31 - marvell,armada-ap807-sdhci
32 - marvell,ac5-sdhci
33 - const: marvell,armada-ap806-sdhci
35 - items:
36 - const: marvell,armada-3700-sdhci
37 - const: marvell,sdhci-xenon
43 For "marvell,armada-3700-sdhci", two register areas. The first one
46 "marvell,armada-3700-sdhci" in below.
47 Please also check property marvell,pad-type in below.
55 clock-names:
58 - const: core
59 - const: axi
64 marvell,xenon-sdhc-id:
73 marvell,xenon-phy-type:
76 - emmc 5.1 phy
77 - emmc 5.0 phy
80 marvell,xenon-phy-type = "emmc 5.1 phy" eMMC 5.1 PHY is the default
82 marvell,xenon-phy-type = "emmc 5.0 phy"
89 marvell,xenon-phy-znr:
98 marvell,xenon-phy-zpr:
107 marvell,xenon-phy-nr-success-tun:
114 used to identify a valid sampling window, in tuning process.
116 marvell,xenon-phy-tun-step-divider:
122 marvell,xenon-phy-slow-mode:
131 marvell,xenon-tun-count:
135 Xenon SDHC SoC usually doesn't provide re-tuning counter in
137 This property provides the re-tuning counter.
140 - $ref: mmc-controller.yaml#
141 - if:
145 const: marvell,armada-3700-sdhci
151 - description: Xenon IP registers
152 - description: Armada 3700 SoC PHY PAD Voltage Control register
154 marvell,pad-type:
157 - sd
158 - fixed-1-8v
163 If "fixed-1-8v" is selected, SoC PHY PAD is fixed 1.8V, such as for
166 "marvell,armada-3700-sdhci" in below.
169 - marvell,pad-type
171 - if:
176 - marvell,armada-cp110-sdhci
177 - marvell,armada-ap807-sdhci
178 - marvell,armada-ap806-sdhci
185 clock-names:
187 - const: core
188 - const: axi
192 - compatible
193 - reg
194 - clocks
195 - clock-names
200 - |
202 #include <dt-bindings/interrupt-controller/arm-gic.h>
203 #include <dt-bindings/interrupt-controller/irq.h>
206 compatible = "marvell,armada-ap807-sdhci", "marvell,armada-ap806-sdhci";
210 clock-names = "core", "axi";
211 bus-width = <4>;
212 marvell,xenon-phy-slow-mode;
213 marvell,xenon-tun-count = <11>;
214 non-removable;
215 no-sd;
216 no-sdio;
221 - |
223 #include <dt-bindings/interrupt-controller/arm-gic.h>
224 #include <dt-bindings/interrupt-controller/irq.h>
227 compatible = "marvell,armada-cp110-sdhci";
230 vqmmc-supply = <&sd_vqmmc_regulator>;
231 vmmc-supply = <&sd_vmmc_regulator>;
233 clock-names = "core", "axi";
234 bus-width = <4>;
235 marvell,xenon-tun-count = <9>;
238 - |
239 // For eMMC with compatible "marvell,armada-3700-sdhci":
240 #include <dt-bindings/interrupt-controller/arm-gic.h>
241 #include <dt-bindings/interrupt-controller/irq.h>
244 compatible = "marvell,armada-3700-sdhci", "marvell,sdhci-xenon";
249 clock-names = "core";
250 bus-width = <8>;
251 mmc-ddr-1_8v;
252 mmc-hs400-1_8v;
253 non-removable;
254 no-sd;
255 no-sdio;
259 marvell,pad-type = "fixed-1-8v";
262 - |
263 // For SD/SDIO with compatible "marvell,armada-3700-sdhci":
264 #include <dt-bindings/interrupt-controller/arm-gic.h>
265 #include <dt-bindings/interrupt-controller/irq.h>
268 compatible = "marvell,armada-3700-sdhci", "marvell,sdhci-xenon";
272 vqmmc-supply = <&sd_regulator>;
275 clock-names = "core";
276 bus-width = <4>;
278 marvell,pad-type = "sd";