From 5df5a577a6b4e92c74931e19c2b1f5820c834171 Mon Sep 17 00:00:00 2001 From: Dafna Hirschfeld Date: Mon, 27 Jan 2020 11:34:41 +0100 Subject: dt-bindings: pwm: Convert google,cros-ec-pwm.txt to YAML format Convert the binding file google,cros-ec-pwm.txt to YAML format. This was tested and verified on ARM64 with: make dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.yaml make dtbs_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.yaml Signed-off-by: Dafna Hirschfeld Reviewed-by: Rob Herring Signed-off-by: Thierry Reding --- .../devicetree/bindings/pwm/google,cros-ec-pwm.txt | 23 ------------- .../bindings/pwm/google,cros-ec-pwm.yaml | 40 ++++++++++++++++++++++ 2 files changed, 40 insertions(+), 23 deletions(-) delete mode 100644 Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.txt create mode 100644 Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.yaml (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.txt b/Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.txt deleted file mode 100644 index 472bd46ab5a4..000000000000 --- a/Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.txt +++ /dev/null @@ -1,23 +0,0 @@ -* PWM controlled by ChromeOS EC - -Google's ChromeOS EC PWM is a simple PWM attached to the Embedded Controller -(EC) and controlled via a host-command interface. - -An EC PWM node should be only found as a sub-node of the EC node (see -Documentation/devicetree/bindings/mfd/cros-ec.txt). - -Required properties: -- compatible: Must contain "google,cros-ec-pwm" -- #pwm-cells: Should be 1. The cell specifies the PWM index. - -Example: - cros-ec@0 { - compatible = "google,cros-ec-spi"; - - ... - - cros_ec_pwm: ec-pwm { - compatible = "google,cros-ec-pwm"; - #pwm-cells = <1>; - }; - }; diff --git a/Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.yaml b/Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.yaml new file mode 100644 index 000000000000..24c217b76580 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.yaml @@ -0,0 +1,40 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/google,cros-ec-pwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: PWM controlled by ChromeOS EC + +maintainers: + - Thierry Reding + - '"Uwe Kleine-König" ' + +description: | + Google's ChromeOS EC PWM is a simple PWM attached to the Embedded Controller + (EC) and controlled via a host-command interface. + An EC PWM node should be only found as a sub-node of the EC node (see + Documentation/devicetree/bindings/mfd/cros-ec.txt). + +properties: + compatible: + const: google,cros-ec-pwm + "#pwm-cells": + description: The cell specifies the PWM index. + const: 1 + +required: + - compatible + - '#pwm-cells' + +additionalProperties: false + +examples: + - | + cros-ec@0 { + compatible = "google,cros-ec-spi"; + cros_ec_pwm: ec-pwm { + compatible = "google,cros-ec-pwm"; + #pwm-cells = <1>; + }; + }; -- cgit v1.2.3 From 2d0c08fcd67c23cf8433344544fb5a6c059c2572 Mon Sep 17 00:00:00 2001 From: Sandipan Patra Date: Thu, 5 Mar 2020 16:57:33 +0530 Subject: pwm: tegra: Add support for Tegra194 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Tegra194 has multiple PWM controllers with each having only one output. Also the maxmimum frequency is higher than earlier SoCs. Add support for Tegra194 and specify the number of PWM outputs and maximum supported frequency using device tree match data. Signed-off-by: Sandipan Patra Acked-by: Uwe Kleine-König Acked-by: Laxman Dewangan Acked-by: Rob Herring Acked-by: Jon Hunter Signed-off-by: Thierry Reding --- Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt | 1 + drivers/pwm/pwm-tegra.c | 6 ++++++ 2 files changed, 7 insertions(+) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt b/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt index 0a69eadf44ce..74c41e34c3b6 100644 --- a/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt @@ -9,6 +9,7 @@ Required properties: - "nvidia,tegra132-pwm", "nvidia,tegra20-pwm": for Tegra132 - "nvidia,tegra210-pwm", "nvidia,tegra20-pwm": for Tegra210 - "nvidia,tegra186-pwm": for Tegra186 + - "nvidia,tegra194-pwm": for Tegra194 - reg: physical base address and length of the controller's registers - #pwm-cells: should be 2. See pwm.yaml in this directory for a description of the cells format. diff --git a/drivers/pwm/pwm-tegra.c b/drivers/pwm/pwm-tegra.c index aa12fb3ed92e..d26ed8f579ff 100644 --- a/drivers/pwm/pwm-tegra.c +++ b/drivers/pwm/pwm-tegra.c @@ -282,9 +282,15 @@ static const struct tegra_pwm_soc tegra186_pwm_soc = { .max_frequency = 102000000UL, }; +static const struct tegra_pwm_soc tegra194_pwm_soc = { + .num_channels = 1, + .max_frequency = 408000000UL, +}; + static const struct of_device_id tegra_pwm_of_match[] = { { .compatible = "nvidia,tegra20-pwm", .data = &tegra20_pwm_soc }, { .compatible = "nvidia,tegra186-pwm", .data = &tegra186_pwm_soc }, + { .compatible = "nvidia,tegra194-pwm", .data = &tegra194_pwm_soc }, { } }; MODULE_DEVICE_TABLE(of, tegra_pwm_of_match); -- cgit v1.2.3 From 5928ce02a7d95b400f9b9a455448e228d4635198 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 16 Mar 2020 11:14:53 +0100 Subject: dt-bindings: pwm: renesas-tpu: Document more R-Car Gen2 support All R-Car Gen2 SoCs have a Renesas Timer Pulse Unit. Document support for the missing variants. Signed-off-by: Geert Uytterhoeven Reviewed-by: Laurent Pinchart Signed-off-by: Thierry Reding --- Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.yaml | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.yaml b/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.yaml index 4969a954993c..4bf62a3d5bba 100644 --- a/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.yaml +++ b/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.yaml @@ -19,6 +19,10 @@ properties: - renesas,tpu-r8a7744 # RZ/G1N - renesas,tpu-r8a7745 # RZ/G1E - renesas,tpu-r8a7790 # R-Car H2 + - renesas,tpu-r8a7791 # R-Car M2-W + - renesas,tpu-r8a7792 # R-Car V2H + - renesas,tpu-r8a7793 # R-Car M2-N + - renesas,tpu-r8a7794 # R-Car E2 - renesas,tpu-r8a7795 # R-Car H3 - renesas,tpu-r8a7796 # R-Car M3-W - renesas,tpu-r8a77965 # R-Car M3-N -- cgit v1.2.3