[PATCH 0/9] samsung,coreprimevelte DTS additions

[PATCH 0/9] samsung,coreprimevelte DTS additions

[Duje Mihanović]

This series adds some hardware support for the PXA1908 SoC and
samsung,coreprimevelte board which has accumulated before the initial
support series was merged.

Signed-off-by: Duje Mihanović <duje@dujemihanovic.xyz>
---
Duje Mihanović (9):
      arm64: dts: marvell: samsung,coreprimevelte: Add backlight
      arm64: dts: marvell: samsung,coreprimevelte: Correct CD GPIO
      arm64: dts: marvell: samsung,coreprimevelte: Enable eMMC
      arm64: dts: marvell: pxa1908: Add PWMs
      arm64: dts: marvell: samsung,coreprimevelte: Add vibrator
      arm64: dts: marvell: pxa1908: Move ramoops to SoC dtsi
      arm64: dts: marvell: samsung,coreprimevelte: Drop some reserved memory
      arm64: dts: marvell: samsung,coreprimevelte: Fill in memory node
      arm64: dts: marvell: samsung,coreprimevelte: Add USB connector

 .../marvell/mmp/pxa1908-samsung-coreprimevelte.dts | 157 ++++++++++++++++-----
 arch/arm64/boot/dts/marvell/mmp/pxa1908.dtsi       |  46 ++++++
 2 files changed, 169 insertions(+), 34 deletions(-)
---
base-commit: b320789d6883cc00ac78ce83bccbfe7ed58afcf0
change-id: 20250902-pxa1908-dts-65d86a5d2d85

Best regards,
-- 
Duje Mihanović <duje@dujemihanovic.xyz>

[PATCH 1/9] arm64: dts: marvell: samsung,coreprimevelte: Add backlight

[Duje Mihanović]

Add a node for the KTD2801 backlight chip found on the board.

Signed-off-by: Duje Mihanović <duje@dujemihanovic.xyz>
---
 arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
index 47a4f01a7077bfafe2cc50d0e59c37685ec9c2e9..b9628b1f59f2f749804799e3d9faa48e3036e81a 100644
--- a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
+++ b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
@@ -115,6 +115,12 @@ key-voldown {
 			gpios = <&gpio 17 GPIO_ACTIVE_LOW>;
 		};
 	};
+
+	backlight {
+		compatible = "kinetic,ktd2801";
+		ctrl-gpios = <&gpio 97 GPIO_ACTIVE_HIGH>;
+		max-brightness = <210>;
+	};
 };
 
 &smmu {

-- 
2.51.0

[PATCH 2/9] arm64: dts: marvell: samsung,coreprimevelte: Correct CD GPIO

[Duje Mihanović]

Right now, the CD GPIO is defined as active high with a cd-inverted
property. Just define the GPIO as active low instead.

Signed-off-by: Duje Mihanović <duje@dujemihanovic.xyz>
---
 arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
index b9628b1f59f2f749804799e3d9faa48e3036e81a..aa161982ca43844287d212e8a24884d2b8440fed 100644
--- a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
+++ b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
@@ -330,8 +330,7 @@ &sdh2 {
 &sdh0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&sdh0_pins_0 &sdh0_pins_1 &sdh0_pins_2>;
-	cd-gpios = <&gpio 11 0>;
-	cd-inverted;
+	cd-gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
 	bus-width = <4>;
 	wp-inverted;
 };

-- 
2.51.0

[PATCH 3/9] arm64: dts: marvell: samsung,coreprimevelte: Enable eMMC

[Duje Mihanović]

Commit a41fcca4b342 ("mmc: sdhci-pxav3: set NEED_RSP_BUSY capability")
fixed eMMC probing on this board. Enable the eMMC and add its pinctrl.

Signed-off-by: Duje Mihanović <duje@dujemihanovic.xyz>
---
 .../marvell/mmp/pxa1908-samsung-coreprimevelte.dts | 79 +++++++++++++++++++++-
 1 file changed, 77 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
index aa161982ca43844287d212e8a24884d2b8440fed..78b7bccfc5f299889d1b9a8fd2c08554f17eb147 100644
--- a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
+++ b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
@@ -292,6 +292,79 @@ sdh0_pins_2: sdh0-pins-2 {
 		pinctrl-single,input-schmitt-enable = <0x40 0 0x40 0x40>;
 		pinctrl-single,low-power-mode = <0x208 0x388>;
 	};
+
+	sdh2_pins_0: sdh2-pins-0 {
+		pinctrl-single,pins = <
+			0x24 1
+			0x28 1
+			0x2c 1
+			0x30 1
+			0x34 1
+			0x38 1
+			0x3c 1
+			0x40 1
+		>;
+		pinctrl-single,drive-strength = <0x1000 0x1800>;
+		pinctrl-single,bias-pullup = <0 0xc000 0 0xc000>;
+		pinctrl-single,bias-pulldown = <0 0xa000 0 0xa000>;
+		pinctrl-single,input-schmitt = <0 0x30>;
+		pinctrl-single,input-schmitt-enable = <0x40 0 0x40 0x40>;
+		pinctrl-single,low-power-mode = <0 0x388>;
+	};
+
+	sdh2_pins_1: sdh2-pins-1 {
+		pinctrl-single,pins = <0x64 1>;
+		pinctrl-single,drive-strength = <0x1000 0x1800>;
+		pinctrl-single,bias-pullup = <0 0xc000 0 0xc000>;
+		pinctrl-single,bias-pulldown = <0 0xa000 0 0xa000>;
+		pinctrl-single,input-schmitt = <0 0x30>;
+		pinctrl-single,input-schmitt-enable = <0x40 0 0x40 0x40>;
+		pinctrl-single,low-power-mode = <0x208 0x388>;
+	};
+
+	sdh2_pins_2: sdh2-pins-2 {
+		pinctrl-single,pins = <0x5c 1>;
+		pinctrl-single,bias-pullup = <0xc000 0xc000 0 0xc000>;
+		pinctrl-single,bias-pulldown = <0x8000 0xa000 0x8000 0xa000>;
+		pinctrl-single,low-power-mode = <0x288 0x388>;
+	};
+
+	sdh2_fast_pins_0: sdh2-fast-pins-0 {
+		pinctrl-single,pins = <
+			0x24 1
+			0x28 1
+			0x2c 1
+			0x30 1
+			0x34 1
+			0x38 1
+			0x3c 1
+			0x40 1
+		>;
+		pinctrl-single,drive-strength = <0x1800 0x1800>;
+		pinctrl-single,bias-pullup = <0 0xc000 0 0xc000>;
+		pinctrl-single,bias-pulldown = <0 0xa000 0 0xa000>;
+		pinctrl-single,input-schmitt = <0 0x30>;
+		pinctrl-single,input-schmitt-enable = <0x40 0 0x40 0x40>;
+		pinctrl-single,low-power-mode = <0 0x388>;
+	};
+
+	sdh2_fast_pins_1: sdh2-fast-pins-1 {
+		pinctrl-single,pins = <0x64 1>;
+		pinctrl-single,drive-strength = <0x1800 0x1800>;
+		pinctrl-single,bias-pullup = <0 0xc000 0 0xc000>;
+		pinctrl-single,bias-pulldown = <0 0xa000 0 0xa000>;
+		pinctrl-single,input-schmitt = <0 0x30>;
+		pinctrl-single,input-schmitt-enable = <0x40 0 0x40 0x40>;
+		pinctrl-single,low-power-mode = <0x208 0x388>;
+	};
+
+	sdh2_fast_pins_2: sdh2-fast-pins-2 {
+		pinctrl-single,pins = <0x5c 1>;
+		pinctrl-single,drive-strength = <0x1800 0x1800>;
+		pinctrl-single,bias-pullup = <0xc000 0xc000 0 0xc000>;
+		pinctrl-single,bias-pulldown = <0x8000 0xa000 0x8000 0xa000>;
+		pinctrl-single,low-power-mode = <0x288 0x388>;
+	};
 };
 
 &uart0 {
@@ -320,11 +393,13 @@ &usb {
 };
 
 &sdh2 {
-	/* Disabled for now because initialization fails with -ETIMEDOUT. */
-	status = "disabled";
+	pinctrl-names = "default", "state_uhs";
+	pinctrl-0 = <&sdh2_pins_0 &sdh2_pins_1 &sdh2_pins_2>;
+	pinctrl-1 = <&sdh2_fast_pins_0 &sdh2_fast_pins_1 &sdh2_fast_pins_2>;
 	bus-width = <8>;
 	non-removable;
 	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
 };
 
 &sdh0 {

-- 
2.51.0

[PATCH 4/9] arm64: dts: marvell: pxa1908: Add PWMs

[Duje Mihanović]

The SoC has 4 onboard PWMs. Add a node for each of them.

Signed-off-by: Duje Mihanović <duje@dujemihanovic.xyz>
---
 arch/arm64/boot/dts/marvell/mmp/pxa1908.dtsi | 32 ++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/arch/arm64/boot/dts/marvell/mmp/pxa1908.dtsi b/arch/arm64/boot/dts/marvell/mmp/pxa1908.dtsi
index cf2b9109688ce560eec8a1397251ead68d78a239..61498fd75d1dcaf0d068943c1ac14d3e5a7ca9ae 100644
--- a/arch/arm64/boot/dts/marvell/mmp/pxa1908.dtsi
+++ b/arch/arm64/boot/dts/marvell/mmp/pxa1908.dtsi
@@ -195,6 +195,38 @@ gpio@100 {
 				};
 			};
 
+			pwm0: pwm@1a000 {
+				compatible = "marvell,pxa250-pwm";
+				reg = <0x1a000 0x10>;
+				clocks = <&apbc PXA1908_CLK_PWM0>;
+				#pwm-cells = <1>;
+				status = "disabled";
+			};
+
+			pwm1: pwm@1a400 {
+				compatible = "marvell,pxa250-pwm";
+				reg = <0x1a400 0x10>;
+				clocks = <&apbc PXA1908_CLK_PWM1>;
+				#pwm-cells = <1>;
+				status = "disabled";
+			};
+
+			pwm2: pwm@1a800 {
+				compatible = "marvell,pxa250-pwm";
+				reg = <0x1a800 0x10>;
+				clocks = <&apbc PXA1908_CLK_PWM2>;
+				#pwm-cells = <1>;
+				status = "disabled";
+			};
+
+			pwm3: pwm@1ac00 {
+				compatible = "marvell,pxa250-pwm";
+				reg = <0x1ac00 0x10>;
+				clocks = <&apbc PXA1908_CLK_PWM3>;
+				#pwm-cells = <1>;
+				status = "disabled";
+			};
+
 			pmx: pinmux@1e000 {
 				compatible = "marvell,pxa1908-padconf", "pinconf-single";
 				reg = <0x1e000 0x330>;

-- 
2.51.0

[PATCH 5/9] arm64: dts: marvell: samsung,coreprimevelte: Add vibrator

[Duje Mihanović]

The board has a vibrator hooked up to PWM3. Add a node for it and its
associated pinctrl configuration.

Signed-off-by: Duje Mihanović <duje@dujemihanovic.xyz>
---
 .../marvell/mmp/pxa1908-samsung-coreprimevelte.dts | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
index 78b7bccfc5f299889d1b9a8fd2c08554f17eb147..c28c2eadc42cc538fc5491ecdfcfbe0191004794 100644
--- a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
+++ b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
@@ -121,6 +121,15 @@ backlight {
 		ctrl-gpios = <&gpio 97 GPIO_ACTIVE_HIGH>;
 		max-brightness = <210>;
 	};
+
+	vibrator {
+		compatible = "pwm-vibrator";
+		pwm-names = "enable";
+		pwms = <&pwm3 100000>;
+		enable-gpios = <&gpio 20 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&vibrator_pin>;
+	};
 };
 
 &smmu {
@@ -365,6 +374,16 @@ sdh2_fast_pins_2: sdh2-fast-pins-2 {
 		pinctrl-single,bias-pulldown = <0x8000 0xa000 0x8000 0xa000>;
 		pinctrl-single,low-power-mode = <0x288 0x388>;
 	};
+
+	vibrator_pin: vibrator-pin {
+		pinctrl-single,pins = <0x12c 0>;
+		pinctrl-single,drive-strength = <0x1000 0x1800>;
+		pinctrl-single,bias-pullup = <0x8000 0xc000 0x8000 0xc000>;
+		pinctrl-single,bias-pulldown = <0xa000 0xa000 0 0xa000>;
+		pinctrl-single,input-schmitt = <0 0x30>;
+		pinctrl-single,input-schmitt-enable = <0x40 0 0x40 0x40>;
+		pinctrl-single,low-power-mode = <0 0x388>;
+	};
 };
 
 &uart0 {
@@ -409,3 +428,7 @@ &sdh0 {
 	bus-width = <4>;
 	wp-inverted;
 };
+
+&pwm3 {
+	status = "okay";
+};

-- 
2.51.0

[PATCH 6/9] arm64: dts: marvell: pxa1908: Move ramoops to SoC dtsi

[Duje Mihanović]

The ramoops memory region is the same for all boards based on the SoC.
Move its node to the appropriate dtsi.

Signed-off-by: Duje Mihanović <duje@dujemihanovic.xyz>
---
 .../dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts     | 12 ------------
 arch/arm64/boot/dts/marvell/mmp/pxa1908.dtsi               | 14 ++++++++++++++
 2 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
index c28c2eadc42cc538fc5491ecdfcfbe0191004794..dc58b19ef5d11c69f52ea7804323fe2fb2257ca7 100644
--- a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
+++ b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
@@ -37,10 +37,6 @@ memory@0 {
 	};
 
 	reserved-memory {
-		#address-cells = <2>;
-		#size-cells = <2>;
-		ranges;
-
 		framebuffer@17000000 {
 			reg = <0 0x17000000 0 0x1800000>;
 			no-map;
@@ -62,14 +58,6 @@ cm3@a000000 {
 		seclog@8000000 {
 			reg = <0 0x8000000 0 0x100000>;
 		};
-
-		ramoops@8100000 {
-			compatible = "ramoops";
-			reg = <0 0x8100000 0 0x40000>;
-			record-size = <0x8000>;
-			console-size = <0x20000>;
-			max-reason = <5>;
-		};
 	};
 
 	i2c-muic {
diff --git a/arch/arm64/boot/dts/marvell/mmp/pxa1908.dtsi b/arch/arm64/boot/dts/marvell/mmp/pxa1908.dtsi
index 61498fd75d1dcaf0d068943c1ac14d3e5a7ca9ae..deb1a9df27c2f7c946096c05a684c3f1f0f16d6c 100644
--- a/arch/arm64/boot/dts/marvell/mmp/pxa1908.dtsi
+++ b/arch/arm64/boot/dts/marvell/mmp/pxa1908.dtsi
@@ -58,6 +58,20 @@ psci {
 		method = "smc";
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		ramoops@8100000 {
+			compatible = "ramoops";
+			reg = <0 0x8100000 0 0x40000>;
+			record-size = <0x8000>;
+			console-size = <0x20000>;
+			max-reason = <5>;
+		};
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,

-- 
2.51.0

[PATCH 7/9] arm64: dts: marvell: samsung,coreprimevelte: Drop some reserved memory

[Duje Mihanović]

Most of the memory marked as reserved is actually usable. Delete its
reserved-memory nodes so that the memory can be used.

Signed-off-by: Duje Mihanović <duje@dujemihanovic.xyz>
---
 .../dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts  | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
index dc58b19ef5d11c69f52ea7804323fe2fb2257ca7..13a726d86e65ad836166325e0958a6ec3e6d022e 100644
--- a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
+++ b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
@@ -41,23 +41,6 @@ framebuffer@17000000 {
 			reg = <0 0x17000000 0 0x1800000>;
 			no-map;
 		};
-
-		gpu@9000000 {
-			reg = <0 0x9000000 0 0x1000000>;
-		};
-
-		/* Communications processor, aka modem */
-		cp@5000000 {
-			reg = <0 0x5000000 0 0x3000000>;
-		};
-
-		cm3@a000000 {
-			reg = <0 0xa000000 0 0x80000>;
-		};
-
-		seclog@8000000 {
-			reg = <0 0x8000000 0 0x100000>;
-		};
 	};
 
 	i2c-muic {

-- 
2.51.0

[PATCH 8/9] arm64: dts: marvell: samsung,coreprimevelte: Fill in memory node

[Duje Mihanović]

The board is known to have 1 GiB of DRAM with the first 16 MiB unusable.
Instead of relying on the bootloader to fill in the memory node, do it
ourselves.

Signed-off-by: Duje Mihanović <duje@dujemihanovic.xyz>
---
 .../boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
index 13a726d86e65ad836166325e0958a6ec3e6d022e..b3741389e2ae056714ff4235b972bc72b5560455 100644
--- a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
+++ b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
@@ -30,13 +30,22 @@ fb0: framebuffer@17177000 {
 		};
 	};
 
-	/* Bootloader fills this in */
 	memory@0 {
 		device_type = "memory";
-		reg = <0 0 0 0>;
+		reg = <0 0 0 0x40000000>;
 	};
 
 	reserved-memory {
+		/*
+		 * Reserved by the vendor bootloader as a "secure region".
+		 *
+		 * TODO: See if the responsible stage of the bootloader can be
+		 * replaced
+		 */
+		secure-region@0 {
+			reg = <0 0 0 0x1000000>;
+		};
+
 		framebuffer@17000000 {
 			reg = <0 0x17000000 0 0x1800000>;
 			no-map;

-- 
2.51.0

[PATCH 9/9] arm64: dts: marvell: samsung,coreprimevelte: Add USB connector

[Duje Mihanović]

Add a node for the micro-USB connector found on the board.

Signed-off-by: Duje Mihanović <duje@dujemihanovic.xyz>
---
 arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
index b3741389e2ae056714ff4235b972bc72b5560455..7c96eaa33b1ef0176811f3b4d915ce1a69cc690b 100644
--- a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
+++ b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
@@ -68,6 +68,12 @@ muic: extcon@14 {
 			reg = <0x14>;
 			interrupt-parent = <&gpio>;
 			interrupts = <0 IRQ_TYPE_EDGE_FALLING>;
+
+			usb_con: connector {
+				compatible = "usb-b-connector";
+				label = "micro-USB";
+				type = "micro";
+			};
 		};
 	};
 

-- 
2.51.0