MIPS: ralink: mt7628a.dtsi: Add pinmux DT node

This patch adds the pinmux DT node using the generic "pinctrl-single"
pinmux driver. For this the system-controller register area needs to be
changed to not overlap with the pinmux registers.

This patch is based on work done by John Crispin.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Harvey Hunt <harveyhuntnexus@gmail.com>
Cc: John Crispin <john@phrozen.org>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org

diff --git a/arch/mips/boot/dts/ralink/mt7628a.dtsi b/arch/mips/boot/dts/ralink/mt7628a.dtsi
index 3e88c8d..d87f53b 100644 (file)
--- a/arch/mips/boot/dts/ralink/mt7628a.dtsi
+++ b/arch/mips/boot/dts/ralink/mt7628a.dtsi
@@ -38,7 +38,100 @@
 
                sysc: system-controller@0 {
                        compatible = "ralink,mt7620a-sysc", "syscon";
-                       reg = <0x0 0x100>;
+                       reg = <0x0 0x60>;
+               };
+
+               pinmux: pinmux@60 {
+                       compatible = "pinctrl-single";
+                       reg = <0x60 0x8>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       #pinctrl-cells = <2>;
+                       pinctrl-single,bit-per-mux;
+                       pinctrl-single,register-width = <32>;
+                       pinctrl-single,function-mask = <0x1>;
+
+                       pinmux_gpio_gpio: pinmux_gpio_gpio {
+                               pinctrl-single,bits = <0x0 0x0 0x3>;
+                       };
+
+                       pinmux_spi_cs1_cs: pinmux_spi_cs1_cs {
+                               pinctrl-single,bits = <0x0 0x0 0x30>;
+                       };
+
+                       pinmux_i2s_gpio: pinmux_i2s_gpio {
+                               pinctrl-single,bits = <0x0 0x40 0xc0>;
+                       };
+
+                       pinmux_uart0_uart: pinmux_uart0_uart0 {
+                               pinctrl-single,bits = <0x0 0x0 0x300>;
+                       };
+
+                       pinmux_sdmode_sdxc: pinmux_sdmode_sdxc {
+                               pinctrl-single,bits = <0x0 0x0 0xc00>;
+                       };
+
+                       pinmux_sdmode_gpio: pinmux_sdmode_gpio {
+                               pinctrl-single,bits = <0x0 0x400 0xc00>;
+                       };
+
+                       pinmux_spi_spi: pinmux_spi_spi {
+                               pinctrl-single,bits = <0x0 0x0 0x1000>;
+                       };
+
+                       pinmux_refclk_gpio: pinmux_refclk_gpio {
+                               pinctrl-single,bits = <0x0 0x40000 0x40000>;
+                       };
+
+                       pinmux_i2c_i2c: pinmux_i2c_i2c {
+                               pinctrl-single,bits = <0x0 0x0 0x300000>;
+                       };
+
+                       pinmux_uart1_uart: pinmux_uart1_uart1 {
+                               pinctrl-single,bits = <0x0 0x0 0x3000000>;
+                       };
+
+                       pinmux_uart2_uart: pinmux_uart2_uart {
+                               pinctrl-single,bits = <0x0 0x0 0xc000000>;
+                       };
+
+                       pinmux_pwm0_pwm: pinmux_pwm0_pwm {
+                               pinctrl-single,bits = <0x0 0x0 0x30000000>;
+                       };
+
+                       pinmux_pwm0_gpio: pinmux_pwm0_gpio {
+                               pinctrl-single,bits = <0x0 0x10000000
+                                                      0x30000000>;
+                       };
+
+                       pinmux_pwm1_pwm: pinmux_pwm1_pwm {
+                               pinctrl-single,bits = <0x0 0x0 0xc0000000>;
+                       };
+
+                       pinmux_pwm1_gpio: pinmux_pwm1_gpio {
+                               pinctrl-single,bits = <0x0 0x40000000
+                                                      0xc0000000>;
+                       };
+
+                       pinmux_p0led_an_gpio: pinmux_p0led_an_gpio {
+                               pinctrl-single,bits = <0x4 0x4 0xc>;
+                       };
+
+                       pinmux_p1led_an_gpio: pinmux_p1led_an_gpio {
+                               pinctrl-single,bits = <0x4 0x10 0x30>;
+                       };
+
+                       pinmux_p2led_an_gpio: pinmux_p2led_an_gpio {
+                               pinctrl-single,bits = <0x4 0x40 0xc0>;
+                       };
+
+                       pinmux_p3led_an_gpio: pinmux_p3led_an_gpio {
+                               pinctrl-single,bits = <0x4 0x100 0x300>;
+                       };
+
+                       pinmux_p4led_an_gpio: pinmux_p4led_an_gpio {
+                               pinctrl-single,bits = <0x4 0x400 0xc00>;
+                       };
                };
 
                intc: interrupt-controller@200 {