Re: [PATCH 4/4] arm64: dts: qcom: sm6125: Initial support for xiaomi-laurel_sprout

From: Lux Aliaga
Date: Wed Dec 14 2022 - 12:45:38 EST


Ok. I think that comment is incorrect. Changing the node name on extcon_usb breaks the "extcon" property in &usb3_dwc3, even after changing the reference.

On 14/12/2022 14:26, Lux Aliaga wrote:
I'm a bit confused at the "Node name: usb-id" comment. Should I change "extcon_usb" or "extcon-usb" to usb-id?

On 14/12/2022 06:52, Krzysztof Kozlowski wrote:
On 14/12/2022 10:33, Lux Aliaga wrote:
This commit implements support for the Xiaomi Mi A3
(xiaomi-laurel_sprout). Here's a summary on what's working.

- dmesg output to bootloader preconfigured display
- USB
- UFS
- SMD RPM regulators

Signed-off-by: Lux Aliaga <they@xxxxxxxxx>
---
  arch/arm64/boot/dts/qcom/Makefile             |   1 +
  .../dts/qcom/sm6125-xiaomi-laurel_sprout.dts  | 251 ++++++++++++++++++
  2 files changed, 252 insertions(+)
  create mode 100644 arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel_sprout.dts

diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index d7669a7cee9f..7b4fbb4cbb84 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -140,6 +140,7 @@ dtb-$(CONFIG_ARCH_QCOM)    += sdm845-shift-axolotl.dtb
  dtb-$(CONFIG_ARCH_QCOM)    += sdm850-lenovo-yoga-c630.dtb
  dtb-$(CONFIG_ARCH_QCOM)    += sdm850-samsung-w737.dtb
  dtb-$(CONFIG_ARCH_QCOM)    += sm6125-sony-xperia-seine-pdx201.dtb
+dtb-$(CONFIG_ARCH_QCOM)    += sm6125-xiaomi-laurel_sprout.dtb
  dtb-$(CONFIG_ARCH_QCOM)    += sm6350-sony-xperia-lena-pdx213.dtb
  dtb-$(CONFIG_ARCH_QCOM)    += sm7225-fairphone-fp4.dtb
  dtb-$(CONFIG_ARCH_QCOM)    += sm8150-hdk.dtb
diff --git a/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel_sprout.dts b/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel_sprout.dts
new file mode 100644
index 000000000000..edc5f13bae28
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel_sprout.dts
@@ -0,0 +1,251 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2022, Lux Aliaga <they@xxxxxxxxx>
+ */
+
+/dts-v1/;
+
+#include "sm6125.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/input/gpio-keys.h>
+
+/ {
+    /* required for bootloader to select correct board */
+    qcom,msm-id = <0x18a 0x00>; /* sm6125 v1 */
+    qcom,board-id = <0x0b 0x00>;
+
+    model = "Xiaomi Mi A3";
+    compatible = "xiaomi,laurel_sprout", "qcom,sm6125";
+    chassis-type = "handset";
+
+    chosen {
+        #address-cells = <2>;
+        #size-cells = <2>;
+        ranges;
+
+        framebuffer0: framebuffer@5c000000 {
+            compatible = "simple-framebuffer";
+            reg = <0 0x5c000000 0 (1560 * 720 * 4)>;
+            width = <720>;
+            height = <1560>;
+            stride = <(720 * 4)>;
+            format = "a8r8g8b8";
+        };
+    };
+
+    extcon_usb: extcon-usb {
Node name: usb-id

+        compatible = "linux,extcon-usb-gpio";
+        id-gpio = <&tlmm 102 GPIO_ACTIVE_HIGH>;
+    };
+
+    reserved_memory {
No underscores in node names. Use same node name as other boards, don't
invent own stuff.

+        #address-cells = <2>;
+        #size-cells = <2>;
+        debug_mem: memory@ffb00000 {
+            reg = <0x0 0xffb00000 0x0 0xc0000>;
+            no-map;
+        };
+
+        last_log_mem: memory@ffbc0000 {
+            reg = <0x0 0xffbc0000 0x0 0x80000>;
+            no-map;
+        };
+
+        pstore_mem: ramoops@ffc00000 {
+            compatible = "ramoops";
+            reg = <0x0 0xffc40000 0x0 0xc0000>;
+            record-size = <0x1000>;
+            console-size = <0x40000>;
+            msg-size = <0x20000 0x20000>;
+        };
+
+        cmdline_mem: memory@ffd00000 {
+            reg = <0x0 0xffd40000 0x0 0x1000>;
+            no-map;
+        };
+    };
+};
+
+&rpm_requests {
+    regulators-0 {
+        compatible = "qcom,rpm-pm6125-regulators";
+
+        vreg_s6a: s6 {
+            regulator-min-microvolt = <936000>;
+            regulator-max-microvolt = <1422000>;
+        };
+
+        vreg_l1a: l1 {
+            regulator-min-microvolt = <1200000>;
+            regulator-max-microvolt = <1256000>;
+        };
+
+        vreg_l2a: l2 {
+            regulator-min-microvolt = <1000000>;
+            regulator-max-microvolt = <1056000>;
+        };
+
+        vreg_l3a: l3 {
+            regulator-min-microvolt = <1000000>;
+            regulator-max-microvolt = <1064000>;
+        };
+
+        vreg_l4a: l4 {
+            regulator-min-microvolt = <872000>;
+            regulator-max-microvolt = <976000>;
+        };
+
+        vreg_l5a: l5 {
+            regulator-min-microvolt = <1648000>;
+            regulator-max-microvolt = <3104000>;
+        };
+
+        vreg_l6a: l6 {
+            regulator-min-microvolt = <576000>;
+            regulator-max-microvolt = <656000>;
+        };
+
+        vreg_l7a: l7 {
+            regulator-min-microvolt = <872000>;
+            regulator-max-microvolt = <976000>;
+        };
+
+        vreg_l8a: l8 {
+            regulator-min-microvolt = <400000>;
+            regulator-max-microvolt = <728000>;
+        };
+
+        vreg_l9a: l9 {
+            regulator-min-microvolt = <1800000>;
+            regulator-max-microvolt = <1896000>;
+        };
+
+        vreg_l10a: l10 {
+            regulator-min-microvolt = <1800000>;
+            regulator-max-microvolt = <1896000>;
+        };
+
+        vreg_l11a: l11 {
+            regulator-min-microvolt = <1800000>;
+            regulator-max-microvolt = <1952000>;
+        };
+
+        vreg_l12a: l12 {
+            regulator-min-microvolt = <1800000>;
+            regulator-max-microvolt = <1996000>;
+        };
+
+        vreg_l13a: l13 {
+            regulator-min-microvolt = <1800000>;
+            regulator-max-microvolt = <1832000>;
+        };
+
+        vreg_l14a: l14 {
+            regulator-min-microvolt = <1800000>;
+            regulator-max-microvolt = <1904000>;
+        };
+
+        vreg_l15a: l15 {
+            regulator-min-microvolt = <3104000>;
+            regulator-max-microvolt = <3232000>;
+        };
+
+        vreg_l16a: l16 {
+            regulator-min-microvolt = <1800000>;
+            regulator-max-microvolt = <1904000>;
+        };
+
+        vreg_l17a: l17 {
+            regulator-min-microvolt = <1248000>;
+            regulator-max-microvolt = <1304000>;
+        };
+
+        vreg_l18a: l18 {
+            regulator-min-microvolt = <1200000>;
+            regulator-max-microvolt = <1264000>;
+        };
+
+        vreg_l19a: l19 {
+            regulator-min-microvolt = <1648000>;
+            regulator-max-microvolt = <2952000>;
+        };
+
+        vreg_l20a: l20 {
+            regulator-min-microvolt = <1648000>;
+            regulator-max-microvolt = <2952000>;
+        };
+
+        vreg_l21a: l21 {
+            regulator-min-microvolt = <2600000>;
+            regulator-max-microvolt = <2856000>;
+        };
+
+        vreg_l22a: l22 {
+            regulator-min-microvolt = <2944000>;
+            regulator-max-microvolt = <3304000>;
+        };
+
+        vreg_l23a: l23 {
+            regulator-min-microvolt = <3000000>;
+            regulator-max-microvolt = <3400000>;
+        };
+
+        vreg_l24a: l24 {
+            regulator-min-microvolt = <2944000>;
+            regulator-max-microvolt = <3304000>;
+        };
+    };
+};
+
+&hsusb_phy1 {
+    status = "okay";
+};
+
+
+&sdc2_off_state {
+    sd-cd {
Does not look like you tested the DTS against bindings. Please run `make
dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst
for instructions).

that's missing -pins suffix but most likely it does not match other DTS
neither. So probably was based on some old kernel.

+        pins = "gpio98";
+        bias-disable;
+        drive-strength = <2>;
+    };
+};
+
+&sdc2_on_state {
+    sd-cd {
Same problems.

+        pins = "gpio98";
+        bias-pull-up;
+        drive-strength = <2>;
+    };
+};
Best regards,
Krzysztof

--
Lux Aliaga
https://nixgoat.me/