target/linux/bcm27xx/patches-5.4/950-0943-dtoverlays-Add-overlay-for-the-PCA953x-family-of-GPI.patch

   1 From 5a7c48622a4f7665039211414c9fe4a1914ae3eb Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Mon, 17 Aug 2020 18:11:47 +0100
   4 Subject: [PATCH] dtoverlays: Add overlay for the PCA953x family of
   5  GPIO expanders
   6
   7 Adds an overlay for configuring all the GPIO expanders supported
   8 by the driver under GPIO_PCA953X.
   9
  10 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  11 ---
  12  arch/arm/boot/dts/overlays/Makefile           |   1 +
  13  arch/arm/boot/dts/overlays/README             |  36 +++
  14  .../arm/boot/dts/overlays/pca953x-overlay.dts | 240 ++++++++++++++++++
  15  3 files changed, 277 insertions(+)
  16  create mode 100644 arch/arm/boot/dts/overlays/pca953x-overlay.dts
  17
  18 --- a/arch/arm/boot/dts/overlays/Makefile
  19 +++ b/arch/arm/boot/dts/overlays/Makefile
  20 @@ -119,6 +119,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
  21         ov7251.dtbo \
  22         ov9281.dtbo \
  23         papirus.dtbo \
  24 +       pca953x.dtbo \
  25         pibell.dtbo \
  26         piglow.dtbo \
  27         piscreen.dtbo \
  28 --- a/arch/arm/boot/dts/overlays/README
  29 +++ b/arch/arm/boot/dts/overlays/README
  30 @@ -1873,6 +1873,42 @@ Params: panel                   Display
  31          speed                   Display SPI bus speed
  32
  33
  34 +Name:   pca953x
  35 +Info:   TI PCA953x family of I2C GPIO expanders. Default is for NXP PCA9534.
  36 +Load:   dtoverlay=pca953x,<param>=<val>
  37 +Params: addr                    I2C address of expander. Default 0x20.
  38 +        pca6416                 Select the NXP PCA6416 (16 bit)
  39 +        pca9505                 Select the NXP PCA9505 (40 bit)
  40 +        pca9535                 Select the NXP PCA9535 (16 bit)
  41 +        pca9536                 Select the NXP PCA9536 or TI PCA9536 (4 bit)
  42 +        pca9537                 Select the NXP PCA9537 (4 bit)
  43 +        pca9538                 Select the NXP PCA9538 (8 bit)
  44 +        pca9539                 Select the NXP PCA9539 (16 bit)
  45 +        pca9554                 Select the NXP PCA9554 (8 bit)
  46 +        pca9555                 Select the NXP PCA9555 (16 bit)
  47 +        pca9556                 Select the NXP PCA9556 (8 bit)
  48 +        pca9557                 Select the NXP PCA9557 (8 bit)
  49 +        pca9574                 Select the NXP PCA9574 (8 bit)
  50 +        pca9575                 Select the NXP PCA9575 (16 bit)
  51 +        pca9698                 Select the NXP PCA9698 (40 bit)
  52 +        pca16416                Select the NXP PCA16416 (16 bit)
  53 +        pca16524                Select the NXP PCA16524 (24 bit)
  54 +        pca19555a               Select the NXP PCA19555A (16 bit)
  55 +        max7310                 Select the Maxim MAX7310 (8 bit)
  56 +        max7312                 Select the Maxim MAX7312 (16 bit)
  57 +        max7313                 Select the Maxim MAX7313 (16 bit)
  58 +        max7315                 Select the Maxim MAX7315 (8 bit)
  59 +        pca6107                 Select the TI PCA6107 (8 bit)
  60 +        tca6408                 Select the TI TCA6408 (8 bit)
  61 +        tca6416                 Select the TI TCA6416 (16 bit)
  62 +        tca6424                 Select the TI TCA6424 (24 bit)
  63 +        tca9539                 Select the TI TCA9539 (16 bit)
  64 +        tca9554                 Select the TI TCA9554 (8 bit)
  65 +        cat9554                 Select the Onnn CAT9554 (8 bit)
  66 +        pca9654                 Select the Onnn PCA9654 (8 bit)
  67 +        xra1202                 Select the Exar XRA1202 (8 bit)
  68 +
  69 +
  70  [ The pcf2127-rtc overlay has been deleted. See i2c-rtc. ]
  71
  72
  73 --- /dev/null
  74 +++ b/arch/arm/boot/dts/overlays/pca953x-overlay.dts
  75 @@ -0,0 +1,240 @@
  76 +// Definitions for NXP PCA953x family of I2C GPIO controllers on ARM I2C bus.
  77 +/dts-v1/;
  78 +/plugin/;
  79 +
  80 +/{
  81 +       compatible = "brcm,bcm2835";
  82 +
  83 +       fragment@0 {
  84 +               target = <&i2c_arm>;
  85 +               __overlay__ {
  86 +                       #address-cells = <1>;
  87 +                       #size-cells = <0>;
  88 +                       status = "okay";
  89 +
  90 +                       pca: pca@20 {
  91 +                               compatible = "nxp,pca9534";
  92 +                               reg = <0x20>;
  93 +                               gpio-controller;
  94 +                               #gpio-cells = <2>;
  95 +
  96 +                               status = "okay";
  97 +                       };
  98 +               };
  99 +       };
 100 +
 101 +       fragment@1 {
 102 +               target = <&pca>;
 103 +               __dormant__ {
 104 +                       compatible = "nxp,pca6416";
 105 +               };
 106 +       };
 107 +       fragment@2 {
 108 +               target = <&pca>;
 109 +               __dormant__ {
 110 +                       compatible = "nxp,pca9505";
 111 +               };
 112 +       };
 113 +       fragment@3 {
 114 +               target = <&pca>;
 115 +               __dormant__ {
 116 +                       compatible = "nxp,pca9535";
 117 +               };
 118 +       };
 119 +       fragment@4 {
 120 +               target = <&pca>;
 121 +               __dormant__ {
 122 +                       compatible = "nxp,pca9536";
 123 +               };
 124 +       };
 125 +       fragment@5 {
 126 +               target = <&pca>;
 127 +               __dormant__ {
 128 +                       compatible = "nxp,pca9537";
 129 +               };
 130 +       };
 131 +       fragment@6 {
 132 +               target = <&pca>;
 133 +               __dormant__ {
 134 +                       compatible = "nxp,pca9538";
 135 +               };
 136 +       };
 137 +       fragment@7 {
 138 +               target = <&pca>;
 139 +               __dormant__ {
 140 +                       compatible = "nxp,pca9539";
 141 +               };
 142 +       };
 143 +       fragment@8 {
 144 +               target = <&pca>;
 145 +               __dormant__ {
 146 +                       compatible = "nxp,pca9554";
 147 +               };
 148 +       };
 149 +       fragment@9 {
 150 +               target = <&pca>;
 151 +               __dormant__ {
 152 +                       compatible = "nxp,pca9555";
 153 +               };
 154 +       };
 155 +       fragment@10 {
 156 +               target = <&pca>;
 157 +               __dormant__ {
 158 +                       compatible = "nxp,pca9556";
 159 +               };
 160 +       };
 161 +       fragment@11 {
 162 +               target = <&pca>;
 163 +               __dormant__ {
 164 +                       compatible = "nxp,pca9557";
 165 +               };
 166 +       };
 167 +       fragment@12 {
 168 +               target = <&pca>;
 169 +               __dormant__ {
 170 +                       compatible = "nxp,pca9574";
 171 +               };
 172 +       };
 173 +       fragment@13 {
 174 +               target = <&pca>;
 175 +               __dormant__ {
 176 +                       compatible = "nxp,pca9575";
 177 +               };
 178 +       };
 179 +       fragment@14 {
 180 +               target = <&pca>;
 181 +               __dormant__ {
 182 +                       compatible = "nxp,pca9698";
 183 +               };
 184 +       };
 185 +       fragment@15 {
 186 +               target = <&pca>;
 187 +               __dormant__ {
 188 +                       compatible = "nxp,pca16416";
 189 +               };
 190 +       };
 191 +       fragment@16 {
 192 +               target = <&pca>;
 193 +               __dormant__ {
 194 +                       compatible = "nxp,pca16524";
 195 +               };
 196 +       };
 197 +       fragment@17 {
 198 +               target = <&pca>;
 199 +               __dormant__ {
 200 +                       compatible = "nxp,pca19555a";
 201 +               };
 202 +       };
 203 +       fragment@18 {
 204 +               target = <&pca>;
 205 +               __dormant__ {
 206 +                       compatible = "maxim,max7310";
 207 +               };
 208 +       };
 209 +       fragment@19 {
 210 +               target = <&pca>;
 211 +               __dormant__ {
 212 +                       compatible = "maxim,max7312";
 213 +               };
 214 +       };
 215 +       fragment@20 {
 216 +               target = <&pca>;
 217 +               __dormant__ {
 218 +                       compatible = "maxim,max7313";
 219 +               };
 220 +       };
 221 +       fragment@21 {
 222 +               target = <&pca>;
 223 +               __dormant__ {
 224 +                       compatible = "maxim,max7315";
 225 +               };
 226 +       };
 227 +       fragment@22 {
 228 +               target = <&pca>;
 229 +               __dormant__ {
 230 +                       compatible = "ti,pca6107";
 231 +               };
 232 +       };
 233 +       fragment@23 {
 234 +               target = <&pca>;
 235 +               __dormant__ {
 236 +                       compatible = "ti,tca6408";
 237 +               };
 238 +       };
 239 +       fragment@24 {
 240 +               target = <&pca>;
 241 +               __dormant__ {
 242 +                       compatible = "ti,tca6416";
 243 +               };
 244 +       };
 245 +       fragment@25 {
 246 +               target = <&pca>;
 247 +               __dormant__ {
 248 +                       compatible = "ti,tca6424";
 249 +               };
 250 +       };
 251 +       fragment@26 {
 252 +               target = <&pca>;
 253 +               __dormant__ {
 254 +                       compatible = "ti,tca9539";
 255 +               };
 256 +       };
 257 +       fragment@27 {
 258 +               target = <&pca>;
 259 +               __dormant__ {
 260 +                       compatible = "ti,tca9554";
 261 +               };
 262 +       };
 263 +       fragment@28 {
 264 +               target = <&pca>;
 265 +               __dormant__ {
 266 +                       compatible = "onnn,cat9554";
 267 +               };
 268 +       };
 269 +       fragment@29 {
 270 +               target = <&pca>;
 271 +               __dormant__ {
 272 +                       compatible = "onnn,pca9654";
 273 +               };
 274 +       };
 275 +       fragment@30 {
 276 +               target = <&pca>;
 277 +               __dormant__ {
 278 +                       compatible = "exar,xra1202";
 279 +               };
 280 +       };
 281 +
 282 +       __overrides__ {
 283 +               addr = <&pca>,"reg:0";
 284 +               pca6416 = <0>, "+1";
 285 +               pca9505 = <0>, "+2";
 286 +               pca9535 = <0>, "+3";
 287 +               pca9536 = <0>, "+4";
 288 +               pca9537 = <0>, "+5";
 289 +               pca9538 = <0>, "+6";
 290 +               pca9539 = <0>, "+7";
 291 +               pca9554 = <0>, "+8";
 292 +               pca9555 = <0>, "+9";
 293 +               pca9556 = <0>, "+10";
 294 +               pca9557 = <0>, "+11";
 295 +               pca9574 = <0>, "+12";
 296 +               pca9575 = <0>, "+13";
 297 +               pca9698 = <0>, "+14";
 298 +               pca16416 = <0>, "+15";
 299 +               pca16524 = <0>, "+16";
 300 +               pca19555a = <0>, "+17";
 301 +               max7310 = <0>, "+18";
 302 +               max7312 = <0>, "+19";
 303 +               max7313 = <0>, "+20";
 304 +               max7315 = <0>, "+21";
 305 +               pca6107 = <0>, "+22";
 306 +               tca6408 = <0>, "+23";
 307 +               tca6416 = <0>, "+24";
 308 +               tca6424 = <0>, "+25";
 309 +               tca9539 = <0>, "+26";
 310 +               tca9554 = <0>, "+27";
 311 +               cat9554 = <0>, "+28";
 312 +               pca9654 = <0>, "+29";
 313 +               xra1202 = <0>, "+30";
 314 +       };
 315 +};