EC-100 and Odroid-C1 use a "copy" of the VCCK regulator as "VDDEE" regulator. VDDEE supplies the Mali GPU and various other bits within the SoC. The VDDEE regulator is not exclusive to the Mali GPU so it must not change it's voltage. The GPU OPP table has a fixed voltage for all frequencies of 1.10V. This matches with what u-boot sets on my EC-100 and Odroid-C1. Changes since v1 at [0]: - fixed node name for Odroid-C1 (which was vcck instead of vddee in v1) - updated cover-letter since all dependencies made it into v5.3-rc1 - rebased onto v5.3-rc1 [0] https://patchwork.kernel.org/cover/10961091/ Martin Blumenstingl (4): ARM: dts: meson8b: add the PWM_D output pin ARM: dts: meson8b: ec100: add the VDDEE regulator ARM: dts: meson8b: odroidc1: add the VDDEE regulator ARM: dts: meson8b: mxq: add the VDDEE regulator arch/arm/boot/dts/meson8b-ec100.dts | 31 +++++++++++++++++++++++--- arch/arm/boot/dts/meson8b-mxq.dts | 26 ++++++++++++++++++--- arch/arm/boot/dts/meson8b-odroidc1.dts | 27 +++++++++++++++++++--- arch/arm/boot/dts/meson8b.dtsi | 8 +++++++ 4 files changed, 83 insertions(+), 9 deletions(-) -- 2.22.0 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic
The PWM_D output is used for the VDDEE PWM regulator which supplies for example the Mali GPU on the EC-100 and Odroid-C1 boards. Add the output pin the VDDEE regulators can be added. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> --- arch/arm/boot/dts/meson8b.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/meson8b.dtsi b/arch/arm/boot/dts/meson8b.dtsi index fba2c70c2fda..30fca9bb4bbe 100644 --- a/arch/arm/boot/dts/meson8b.dtsi +++ b/arch/arm/boot/dts/meson8b.dtsi @@ -361,6 +361,14 @@ }; }; + pwm_d_pins: pwm-d { + mux { + groups = "pwm_d"; + function = "pwm_d"; + bias-disable; + }; + }; + uart_b0_pins: uart-b0 { mux { groups = "uart_tx_b0", -- 2.22.0 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic
The VDDEE regulator is basically a copy of the VCCK regulator. VDDEE supplies for example the Mali GPU and is controlled by PWM_D instead of PWM_C. Add the VDDEE PWM regulator and make it the supply of the Mali GPU. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> --- arch/arm/boot/dts/meson8b-ec100.dts | 31 ++++++++++++++++++++++++++--- 1 file changed, 28 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/meson8b-ec100.dts b/arch/arm/boot/dts/meson8b-ec100.dts index 96d239d8334e..bed1dfef1985 100644 --- a/arch/arm/boot/dts/meson8b-ec100.dts +++ b/arch/arm/boot/dts/meson8b-ec100.dts @@ -219,6 +219,27 @@ */ vin-supply = <&vcc_3v3>; }; + + vddee: regulator-vddee { + /* + * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz + * Synchronous Step Down Regulator. Also called VDDAO + * in a part of the schematics. + */ + compatible = "pwm-regulator"; + + regulator-name = "VDDEE"; + regulator-min-microvolt = <860000>; + regulator-max-microvolt = <1140000>; + + vin-supply = <&vcc_5v>; + + pwms = <&pwm_cd 1 1148 0>; + pwm-dutycycle-range = <100 0>; + + regulator-boot-on; + regulator-always-on; + }; }; &cpu0 { @@ -269,6 +290,10 @@ }; }; +&mali { + mali-supply = <&vddee>; +}; + &saradc { status = "okay"; vref-supply = <&vcc_1v8>; @@ -350,10 +375,10 @@ &pwm_cd { status = "okay"; - pinctrl-0 = <&pwm_c1_pins>; + pinctrl-0 = <&pwm_c1_pins>, <&pwm_d_pins>; pinctrl-names = "default"; - clocks = <&clkc CLKID_XTAL>; - clock-names = "clkin0"; + clocks = <&clkc CLKID_XTAL>, <&clkc CLKID_XTAL>; + clock-names = "clkin0", "clkin1"; }; &rtc { -- 2.22.0 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic
The VDDEE regulator is basically a copy of the VCCK regulator. VDDEE supplies for example the Mali GPU and is controlled by PWM_D instead of PWM_C. Add the VDDEE PWM regulator and make it the supply of the Mali GPU. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> --- arch/arm/boot/dts/meson8b-odroidc1.dts | 27 +++++++++++++++++++++++--- 1 file changed, 24 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/meson8b-odroidc1.dts b/arch/arm/boot/dts/meson8b-odroidc1.dts index 86c4614e0a38..90f66dc45115 100644 --- a/arch/arm/boot/dts/meson8b-odroidc1.dts +++ b/arch/arm/boot/dts/meson8b-odroidc1.dts @@ -154,6 +154,23 @@ vin-supply = <&p5v0>; }; + vddee: regulator-vddee { + /* Monolithic Power Systems MP2161 */ + compatible = "pwm-regulator"; + + regulator-name = "VDDEE"; + regulator-min-microvolt = <860000>; + regulator-max-microvolt = <1140000>; + + vin-supply = <&p5v0>; + + pwms = <&pwm_cd 1 12218 0>; + pwm-dutycycle-range = <91 0>; + + regulator-boot-on; + regulator-always-on; + }; + vdd_rtc: regulator-vdd-rtc { /* * Torex Semiconductor XC6215 configured for a fixed output of @@ -276,6 +293,10 @@ pinctrl-names = "default"; }; +&mali { + mali-supply = <&vddee>; +}; + &saradc { status = "okay"; vref-supply = <&vcc_1v8>; @@ -308,10 +329,10 @@ &pwm_cd { status = "okay"; - pinctrl-0 = <&pwm_c1_pins>; + pinctrl-0 = <&pwm_c1_pins>, <&pwm_d_pins>; pinctrl-names = "default"; - clocks = <&clkc CLKID_XTAL>; - clock-names = "clkin0"; + clocks = <&clkc CLKID_XTAL>, <&clkc CLKID_XTAL>; + clock-names = "clkin0", "clkin1"; }; &rtc { -- 2.22.0 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic
The VDDEE regulator is basically a copy of the VCCK regulator. VDDEE supplies for example the Mali GPU and is controlled by PWM_D instead of PWM_C. Add the VDDEE PWM regulator and make it the supply of the Mali GPU. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> --- arch/arm/boot/dts/meson8b-mxq.dts | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/meson8b-mxq.dts b/arch/arm/boot/dts/meson8b-mxq.dts index bb27b34eb346..6e39ad52e42d 100644 --- a/arch/arm/boot/dts/meson8b-mxq.dts +++ b/arch/arm/boot/dts/meson8b-mxq.dts @@ -76,6 +76,22 @@ regulator-boot-on; regulator-always-on; }; + + vddee: regulator-vddee { + compatible = "pwm-regulator"; + + regulator-name = "VDDEE"; + regulator-min-microvolt = <860000>; + regulator-max-microvolt = <1140000>; + + vin-supply = <&vcc_5v>; + + pwms = <&pwm_cd 1 1148 0>; + pwm-dutycycle-range = <100 0>; + + regulator-boot-on; + regulator-always-on; + }; }; &cpu0 { @@ -112,6 +128,10 @@ }; }; +&mali { + mali-supply = <&vddee>; +}; + &saradc { status = "okay"; vref-supply = <&vcc_1v8>; @@ -143,10 +163,10 @@ &pwm_cd { status = "okay"; - pinctrl-0 = <&pwm_c1_pins>; + pinctrl-0 = <&pwm_c1_pins>, <&pwm_d_pins>; pinctrl-names = "default"; - clocks = <&clkc CLKID_XTAL>; - clock-names = "clkin0"; + clocks = <&clkc CLKID_XTAL>, <&clkc CLKID_XTAL>; + clock-names = "clkin0", "clkin1"; }; &uart_AO { -- 2.22.0 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic
Martin Blumenstingl <martin.blumenstingl@googlemail.com> writes: > EC-100 and Odroid-C1 use a "copy" of the VCCK regulator as "VDDEE" > regulator. VDDEE supplies the Mali GPU and various other bits within > the SoC. > > The VDDEE regulator is not exclusive to the Mali GPU so it must not > change it's voltage. The GPU OPP table has a fixed voltage for all > frequencies of 1.10V. This matches with what u-boot sets on my EC-100 > and Odroid-C1. Series queued for v5.4, Thanks, Kevin _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic