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[2003:f1:3714:2e00:428d:5cff:feb9:9db8]) by smtp.googlemail.com with ESMTPSA id q17sm8722220wmj.45.2020.04.17.12.08.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Apr 2020 12:08:42 -0700 (PDT) From: Martin Blumenstingl To: robh+dt@kernel.org, khilman@baylibre.com, narmstrong@baylibre.com, linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Martin Blumenstingl Subject: [PATCH v2 1/4] dt-bindings: power: meson-ee-pwrc: add support for Meson8/8b/8m2 Date: Fri, 17 Apr 2020 21:08:22 +0200 Message-Id: <20200417190825.1363345-2-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200417190825.1363345-1-martin.blumenstingl@googlemail.com> References: <20200417190825.1363345-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The power domains on the 32-bit Meson8/Meson8b/Meson8m2 SoCs are very similar to what G12A still uses. The (known) differences are: - Meson8 doesn't use any reset lines at all - Meson8b and Meson8m2 use the same reset lines, which are different from what the 64-bit SoCs use - there is no "vapb" clock on the older SoCs - amlogic,ao-sysctrl cannot point to the whole AO sysctrl region but only the power management related registers Add a new compatible string and adjust clock and reset line expectations for each SoC. Signed-off-by: Martin Blumenstingl --- .../bindings/power/amlogic,meson-ee-pwrc.yaml | 75 ++++++++++++++----- include/dt-bindings/power/meson8-power.h | 13 ++++ 2 files changed, 71 insertions(+), 17 deletions(-) create mode 100644 include/dt-bindings/power/meson8-power.h diff --git a/Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml b/Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml index 6c6079fe1351..a0e4cf143b9c 100644 --- a/Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml +++ b/Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml @@ -23,13 +23,19 @@ description: |+ properties: compatible: enum: + - amlogic,meson8-pwrc + - amlogic,meson8b-pwrc + - amlogic,meson8m2-pwrc - amlogic,meson-g12a-pwrc - amlogic,meson-sm1-pwrc clocks: - minItems: 2 + minItems: 1 + maxItems: 2 clock-names: + minItems: 1 + maxItems: 2 items: - const: vpu - const: vapb @@ -37,20 +43,6 @@ properties: resets: minItems: 11 - reset-names: - items: - - const: viu - - const: venc - - const: vcbus - - const: bt656 - - const: rdma - - const: venci - - const: vencp - - const: vdac - - const: vdi6 - - const: vencl - - const: vid_lock - "#power-domain-cells": const: 1 @@ -59,12 +51,61 @@ properties: allOf: - $ref: /schemas/types.yaml#/definitions/phandle +allOf: + - if: + properties: + compatible: + enum: + - amlogic,meson8b-pwrc + - amlogic,meson8m2-pwrc + then: + properties: + reset-names: + items: + - const: dblk + - const: pic_dc + - const: hdmi_apb + - const: hdmi_system + - const: venci + - const: vencp + - const: vdac + - const: vencl + - const: viu + - const: venc + - const: rdma + required: + - resets + - reset-names + + - if: + properties: + compatible: + enum: + - amlogic,meson-g12a-pwrc + - amlogic,meson-sm1-pwrc + then: + properties: + reset-names: + items: + - const: viu + - const: venc + - const: vcbus + - const: bt656 + - const: rdma + - const: venci + - const: vencp + - const: vdac + - const: vdi6 + - const: vencl + - const: vid_lock + required: + - resets + - reset-names + required: - compatible - clocks - clock-names - - resets - - reset-names - "#power-domain-cells" - amlogic,ao-sysctrl diff --git a/include/dt-bindings/power/meson8-power.h b/include/dt-bindings/power/meson8-power.h new file mode 100644 index 000000000000..dd8b2ddb82a7 --- /dev/null +++ b/include/dt-bindings/power/meson8-power.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: (GPL-2.0+ or MIT) */ +/* + * Copyright (c) 2019 Martin Blumenstingl + */ + +#ifndef _DT_BINDINGS_MESON8_POWER_H +#define _DT_BINDINGS_MESON8_POWER_H + +#define PWRC_MESON8_VPU_ID 0 +#define PWRC_MESON8_ETHERNET_MEM_ID 1 +#define PWRC_MESON8_AUDIO_DSP_MEM_ID 2 + +#endif /* _DT_BINDINGS_MESON8_POWER_H */ -- 2.26.1