On pit and pi the TPS65090 regulator is connected only to the EC and we must use a tunnel to get to it. The existing U-Boot support relies on a special driver. Add a tunnel definition so that the new device-model TPS65090 driver can be used unmodified.
Signed-off-by: Simon Glass sjg@chromium.org ---
arch/arm/dts/exynos5250-snow.dts | 98 ++++++++++++++++++++++++++- arch/arm/dts/exynos5420-peach-pit.dts | 124 +++++++++++++++++++++++++++------- arch/arm/dts/exynos5800-peach-pi.dts | 123 ++++++++++++++++++++++++++------- 3 files changed, 297 insertions(+), 48 deletions(-)
diff --git a/arch/arm/dts/exynos5250-snow.dts b/arch/arm/dts/exynos5250-snow.dts index 06d675b..653efb4 100644 --- a/arch/arm/dts/exynos5250-snow.dts +++ b/arch/arm/dts/exynos5250-snow.dts @@ -25,6 +25,7 @@ i2c2 = "/i2c@12C80000"; i2c3 = "/i2c@12C90000"; i2c4 = "/i2c@12CA0000"; + i2c104 = &i2c_104; i2c5 = "/i2c@12CB0000"; i2c6 = "/i2c@12CC0000"; i2c7 = "/i2c@12CD0000"; @@ -43,7 +44,7 @@ };
i2c4: i2c@12CA0000 { - cros_ec: cros-ec@1e { + cros_ec_old: cros-ec@1e { reg = <0x1e>; compatible = "google,cros-ec-i2c"; i2c-max-frequency = <100000>; @@ -57,6 +58,101 @@ }; };
+ i2c-arbitrator { + compatible = "i2c-arb-gpio-challenge"; + #address-cells = <1>; + #size-cells = <0>; + + i2c-parent = <&{/i2c@12CA0000}>; + + our-claim-gpio = <&gpf0 3 GPIO_ACTIVE_LOW>; + their-claim-gpios = <&gpe0 4 GPIO_ACTIVE_LOW>; + slew-delay-us = <10>; + wait-retry-us = <3000>; + wait-free-us = <50000>; + + /* Use ID 104 as a hint that we're on physical bus 4 */ + i2c_104: i2c@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + + battery: sbs-battery@b { + compatible = "sbs,sbs-battery"; + reg = <0xb>; + sbs,poll-retry-count = <1>; + }; + + cros_ec: embedded-controller { + compatible = "google,cros-ec-i2c"; + reg = <0x1e>; + interrupts = <6 IRQ_TYPE_NONE>; + interrupt-parent = <&gpx1>; + wakeup-source; + i2c-max-frequency = <100000>; + u-boot,i2c-offset-len = <0>; + ec-interrupt = <&gpx1 6 GPIO_ACTIVE_LOW>; + }; + + power-regulator { + compatible = "ti,tps65090"; + reg = <0x48>; + + regulators { + dcdc1 { + ti,enable-ext-control; + }; + dcdc2 { + ti,enable-ext-control; + }; + dcdc3 { + ti,enable-ext-control; + }; + fet1: fet1 { + regulator-name = "vcd_led"; + ti,overcurrent-wait = <3>; + }; + tps65090_fet2: fet2 { + regulator-name = "video_mid"; + regulator-always-on; + ti,overcurrent-wait = <3>; + }; + fet3 { + regulator-name = "wwan_r"; + regulator-always-on; + ti,overcurrent-wait = <3>; + }; + fet4 { + regulator-name = "sdcard"; + ti,overcurrent-wait = <3>; + }; + fet5 { + regulator-name = "camout"; + regulator-always-on; + ti,overcurrent-wait = <3>; + }; + fet6: fet6 { + regulator-name = "lcd_vdd"; + ti,overcurrent-wait = <3>; + }; + tps65090_fet7: fet7 { + regulator-name = "video_mid_1a"; + regulator-always-on; + ti,overcurrent-wait = <3>; + }; + ldo1 { + }; + ldo2 { + }; + }; + + charger { + compatible = "ti,tps65090-charger"; + }; + }; + }; + }; + spi@12d30000 { spi-max-frequency = <50000000>; firmware_storage_spi: flash@0 { diff --git a/arch/arm/dts/exynos5420-peach-pit.dts b/arch/arm/dts/exynos5420-peach-pit.dts index 0f1002e..5182b2b 100644 --- a/arch/arm/dts/exynos5420-peach-pit.dts +++ b/arch/arm/dts/exynos5420-peach-pit.dts @@ -26,6 +26,7 @@ serial0 = "/serial@12C30000"; console = "/serial@12C30000"; pmic = "/i2c@12CA0000"; + i2c104 = &i2c_tunnel; };
dmc { @@ -101,30 +102,6 @@ }; };
- spi@12d40000 { /* spi2 */ - spi-max-frequency = <4000000>; - spi-deactivate-delay = <200>; - - cros_ec: cros-ec@0 { - compatible = "google,cros-ec-spi"; - reg = <0>; - spi-half-duplex; - spi-max-timeout-ms = <1100>; - ec-interrupt = <&gpx1 5 GPIO_ACTIVE_LOW>; - - /* - * This describes the flash memory within the EC. Note - * that the STM32L flash erases to 0, not 0xff. - */ - #address-cells = <1>; - #size-cells = <1>; - flash@8000000 { - reg = <0x08000000 0x20000>; - erase-value = <0>; - }; - }; - }; - xhci@12000000 { samsung,vbus-gpio = <&gph0 0 GPIO_ACTIVE_HIGH>; }; @@ -159,4 +136,103 @@ }; };
+&spi_2 { + spi-max-frequency = <3125000>; + spi-deactivate-delay = <200>; + status = "okay"; + num-cs = <1>; + samsung,spi-src-clk = <0>; + cs-gpios = <&gpb1 2 0>; + + cros_ec: cros-ec@0 { + compatible = "google,cros-ec-spi"; + interrupt-parent = <&gpx1>; + interrupts = <5 0>; + reg = <0>; + spi-half-duplex; + spi-max-timeout-ms = <1100>; + ec-interrupt = <&gpx1 5 GPIO_ACTIVE_LOW>; + #address-cells = <1>; + #size-cells = <1>; + + /* + * This describes the flash memory within the EC. Note + * that the STM32L flash erases to 0, not 0xff. + */ + flash@8000000 { + reg = <0x08000000 0x20000>; + erase-value = <0>; + }; + + controller-data { + samsung,spi-feedback-delay = <1>; + }; + + i2c_tunnel: i2c-tunnel { + compatible = "google,cros-ec-i2c-tunnel"; + #address-cells = <1>; + #size-cells = <0>; + google,remote-bus = <0>; + + battery: sbs-battery@b { + compatible = "sbs,sbs-battery"; + reg = <0xb>; + sbs,poll-retry-count = <1>; + sbs,i2c-retry-count = <2>; + }; + + power-regulator@48 { + compatible = "ti,tps65090"; + reg = <0x48>; + + regulators { + tps65090_dcdc1: dcdc1 { + ti,enable-ext-control; + }; + tps65090_dcdc2: dcdc2 { + ti,enable-ext-control; + }; + tps65090_dcdc3: dcdc3 { + ti,enable-ext-control; + }; + tps65090_fet1: fet1 { + regulator-name = "vcd_led"; + }; + tps65090_fet2: fet2 { + regulator-name = "video_mid"; + regulator-always-on; + }; + tps65090_fet3: fet3 { + regulator-name = "wwan_r"; + regulator-always-on; + }; + tps65090_fet4: fet4 { + regulator-name = "sdcard"; + regulator-always-on; + }; + tps65090_fet5: fet5 { + regulator-name = "camout"; + regulator-always-on; + }; + tps65090_fet6: fet6 { + regulator-name = "lcd_vdd"; + }; + tps65090_fet7: fet7 { + regulator-name = "video_mid_1a"; + regulator-always-on; + }; + tps65090_ldo1: ldo1 { + }; + tps65090_ldo2: ldo2 { + }; + }; + + charger { + compatible = "ti,tps65090-charger"; + }; + }; + }; + }; +}; + #include "cros-ec-keyboard.dtsi" diff --git a/arch/arm/dts/exynos5800-peach-pi.dts b/arch/arm/dts/exynos5800-peach-pi.dts index 4e548f7..600c294 100644 --- a/arch/arm/dts/exynos5800-peach-pi.dts +++ b/arch/arm/dts/exynos5800-peach-pi.dts @@ -26,6 +26,7 @@ serial0 = "/serial@12C30000"; console = "/serial@12C30000"; pmic = "/i2c@12CA0000"; + i2c104 = &i2c_tunnel; };
dmc { @@ -93,29 +94,6 @@ }; };
- spi@12d40000 { /* spi2 */ - spi-max-frequency = <4000000>; - spi-deactivate-delay = <200>; - cros_ec: cros-ec@0 { - compatible = "google,cros-ec-spi"; - reg = <0>; - spi-half-duplex; - spi-max-timeout-ms = <1100>; - ec-interrupt = <&gpx1 5 GPIO_ACTIVE_LOW>; - - /* - * This describes the flash memory within the EC. Note - * that the STM32L flash erases to 0, not 0xff. - */ - #address-cells = <1>; - #size-cells = <1>; - flash@8000000 { - reg = <0x08000000 0x20000>; - erase-value = <0>; - }; - }; - }; - xhci@12000000 { samsung,vbus-gpio = <&gph0 0 GPIO_ACTIVE_HIGH>; }; @@ -153,4 +131,103 @@ }; };
+&spi_2 { + spi-max-frequency = <3125000>; + spi-deactivate-delay = <200>; + status = "okay"; + num-cs = <1>; + samsung,spi-src-clk = <0>; + cs-gpios = <&gpb1 2 0>; + + cros_ec: cros-ec@0 { + compatible = "google,cros-ec-spi"; + interrupt-parent = <&gpx1>; + interrupts = <5 0>; + reg = <0>; + spi-half-duplex; + spi-max-timeout-ms = <1100>; + ec-interrupt = <&gpx1 5 GPIO_ACTIVE_LOW>; + + /* + * This describes the flash memory within the EC. Note + * that the STM32L flash erases to 0, not 0xff. + */ + #address-cells = <1>; + #size-cells = <1>; + flash@8000000 { + reg = <0x08000000 0x20000>; + erase-value = <0>; + }; + + controller-data { + samsung,spi-feedback-delay = <1>; + }; + + i2c_tunnel: i2c-tunnel { + compatible = "google,cros-ec-i2c-tunnel"; + #address-cells = <1>; + #size-cells = <0>; + google,remote-bus = <0>; + + battery: sbs-battery@b { + compatible = "sbs,sbs-battery"; + reg = <0xb>; + sbs,poll-retry-count = <1>; + sbs,i2c-retry-count = <2>; + }; + + power-regulator@48 { + compatible = "ti,tps65090"; + reg = <0x48>; + + regulators { + tps65090_dcdc1: dcdc1 { + ti,enable-ext-control; + }; + tps65090_dcdc2: dcdc2 { + ti,enable-ext-control; + }; + tps65090_dcdc3: dcdc3 { + ti,enable-ext-control; + }; + tps65090_fet1: fet1 { + regulator-name = "vcd_led"; + }; + tps65090_fet2: fet2 { + regulator-name = "video_mid"; + regulator-always-on; + }; + tps65090_fet3: fet3 { + regulator-name = "wwan_r"; + regulator-always-on; + }; + tps65090_fet4: fet4 { + regulator-name = "sdcard"; + regulator-always-on; + }; + tps65090_fet5: fet5 { + regulator-name = "camout"; + regulator-always-on; + }; + tps65090_fet6: fet6 { + regulator-name = "lcd_vdd"; + }; + tps65090_fet7: fet7 { + regulator-name = "video_mid_1a"; + regulator-always-on; + }; + tps65090_ldo1: ldo1 { + }; + tps65090_ldo2: ldo2 { + }; + }; + + charger { + compatible = "ti,tps65090-charger"; + }; + }; + }; + }; +}; + #include "cros-ec-keyboard.dtsi"