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Wed, 17 Sep 2025 14:04:26 -0700 (PDT) Received: from [127.0.0.1] ([51.8.152.70]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-793543ffae5sm1897226d6.53.2025.09.17.14.04.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Sep 2025 14:04:26 -0700 (PDT) From: Denzeel Oliva Date: Wed, 17 Sep 2025 21:04:24 +0000 Subject: [PATCH v3 4/7] arm64: dts: exynos990: Add USI nodes for PERIC0 and PERIC1 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250917-perics-add-usinodes-v3-4-a3629e4666ef@gmail.com> References: <20250917-perics-add-usinodes-v3-0-a3629e4666ef@gmail.com> In-Reply-To: <20250917-perics-add-usinodes-v3-0-a3629e4666ef@gmail.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alim Akhtar , Sam Protsenko , Greg Kroah-Hartman , Jiri Slaby , Andi Shyti Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , linux-serial@vger.kernel.org, linux-i2c@vger.kernel.org, Denzeel Oliva X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1758143062; l=9012; i=wachiturroxd150@gmail.com; s=20250831; h=from:subject:message-id; bh=dpzH3ZgZfhAHeookD5eV+FtY/q5RImJCHodew0fPSVw=; b=XR7xcpWVxcZIHpVBO57uE9viom3J0Pq6mzGf3veugSWl76SHxT7RB0V4yl4YmE5SRe8q1kGE8 vZshDF7HGEtBhwL6CU9L1xjGXHc52dMs2A8r9fHgEqKkm8xFhECio9+ X-Developer-Key: i=wachiturroxd150@gmail.com; a=ed25519; pk=3fZmF8+BzoNPhZuzL19/BkBXzCDwLBPlLqQYILU0U5k= Add USI nodes for PERIC0 and PERIC1 blocks. These nodes provide the base for serial communication controllers like I2C, SPI and UART. Signed-off-by: Denzeel Oliva --- arch/arm64/boot/dts/exynos/exynos990.dtsi | 247 ++++++++++++++++++++++++++++++ 1 file changed, 247 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynos990.dtsi b/arch/arm64/boot/dts/exynos/exynos990.dtsi index f8e2a31b4b7519b83aa31deefbc40e5edbb8186a..1e09f3efe685748789ffd346cd914f9a8ba68f8b 100644 --- a/arch/arm64/boot/dts/exynos/exynos990.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos990.dtsi @@ -272,6 +272,123 @@ pinctrl_peric0: pinctrl@10430000 { interrupts = ; }; + usi0: usi@105500c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x105500c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric0 CLK_GOUT_PERIC0_TOP0_PCLK_5>, + <&cmu_peric0 CLK_GOUT_PERIC0_TOP0_IPCLK_5>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric0 0x1004>; + status = "disabled"; + }; + + usi1: usi@105700c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x105700c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric0 CLK_GOUT_PERIC0_TOP0_PCLK_7>, + <&cmu_peric0 CLK_GOUT_PERIC0_TOP0_IPCLK_7>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric0 0x100c>; + status = "disabled"; + }; + + usi2: usi@105900c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x105900c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric0 CLK_GOUT_PERIC0_TOP0_PCLK_9>, + <&cmu_peric0 CLK_GOUT_PERIC0_TOP0_IPCLK_9>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric0 0x1014>; + status = "disabled"; + }; + + usi3: usi@105b00c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x105b00c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric0 CLK_GOUT_PERIC0_TOP0_PCLK_11>, + <&cmu_peric0 CLK_GOUT_PERIC0_TOP0_IPCLK_11>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric0 0x101c>; + status = "disabled"; + }; + + usi4: usi@105d00c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x105d00c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric0 CLK_GOUT_PERIC0_TOP0_PCLK_13>, + <&cmu_peric0 CLK_GOUT_PERIC0_TOP0_IPCLK_13>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric0 0x1024>; + status = "disabled"; + }; + + usi5: usi@105f00c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x105f00c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric0 CLK_GOUT_PERIC0_TOP0_PCLK_15>, + <&cmu_peric0 CLK_GOUT_PERIC0_TOP0_IPCLK_15>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric0 0x102c>; + status = "disabled"; + }; + + usi13: usi@106300c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x106300c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric0 CLK_GOUT_PERIC0_TOP1_PCLK_3>, + <&cmu_peric0 CLK_GOUT_PERIC0_TOP1_IPCLK_3>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric0 0x103c>; + status = "disabled"; + }; + + usi14: usi@106500c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x106500c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric0 CLK_GOUT_PERIC0_TOP1_PCLK_5>, + <&cmu_peric0 CLK_GOUT_PERIC0_TOP1_IPCLK_5>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric0 0x1044>; + status = "disabled"; + }; + + usi15: usi@106700c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x106700c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric0 CLK_GOUT_PERIC0_TOP1_PCLK_7>, + <&cmu_peric0 CLK_GOUT_PERIC0_TOP1_IPCLK_7>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric0 0x104c>; + status = "disabled"; + }; + cmu_peric1: clock-controller@10700000 { compatible = "samsung,exynos990-cmu-peric1"; reg = <0x10700000 0x8000>; @@ -295,6 +412,136 @@ pinctrl_peric1: pinctrl@10730000 { interrupts = ; }; + usi6: usi@108a00c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x108a00c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric1 CLK_GOUT_PERIC1_TOP0_PCLK_10>, + <&cmu_peric1 CLK_GOUT_PERIC1_TOP0_IPCLK_10>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric1 0x1018>; + status = "disabled"; + }; + + usi7: usi@108c00c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x108c00c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric1 CLK_GOUT_PERIC1_TOP0_PCLK_12>, + <&cmu_peric1 CLK_GOUT_PERIC1_TOP0_IPCLK_12>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric1 0x1020>; + status = "disabled"; + }; + + usi8: usi@108e00c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x108e00c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric1 CLK_GOUT_PERIC1_TOP0_PCLK_14>, + <&cmu_peric1 CLK_GOUT_PERIC1_TOP0_IPCLK_14>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric1 0x1028>; + status = "disabled"; + }; + + usi9: usi@109000c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x109000c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric1 CLK_GOUT_PERIC1_TOP1_PCLK_0>, + <&cmu_peric1 CLK_GOUT_PERIC1_TOP1_IPCLK_0>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric1 0x1030>; + status = "disabled"; + }; + + usi10: usi@109200c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x109200c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric1 CLK_GOUT_PERIC1_TOP1_PCLK_2>, + <&cmu_peric1 CLK_GOUT_PERIC1_TOP1_IPCLK_2>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric1 0x1038>; + status = "disabled"; + }; + + usi11: usi@109400c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x109400c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric1 CLK_GOUT_PERIC1_TOP1_PCLK_4>, + <&cmu_peric1 CLK_GOUT_PERIC1_TOP1_IPCLK_4>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric1 0x1040>; + status = "disabled"; + }; + + usi12: usi@109c00c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x109c00c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric1 CLK_GOUT_PERIC1_TOP1_PCLK_12>, + <&cmu_peric1 CLK_GOUT_PERIC1_TOP1_IPCLK_12>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric1 0x2000>; + status = "disabled"; + }; + + usi16: usi@109600c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x109600c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric1 CLK_GOUT_PERIC1_TOP1_PCLK_6>, + <&cmu_peric1 CLK_GOUT_PERIC1_TOP1_IPCLK_6>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric1 0x1048>; + status = "disabled"; + }; + + usi17: usi@109900c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x109900c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric1 CLK_GOUT_PERIC1_TOP1_PCLK_9>, + <&cmu_peric1 CLK_GOUT_PERIC1_TOP1_IPCLK_9>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric1 0x1050>; + status = "disabled"; + }; + + usi18: usi@109e00c0 { + compatible = "samsung,exynos990-usi", "samsung,exynos850-usi"; + reg = <0x109e00c0 0x20>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cmu_peric1 CLK_GOUT_PERIC1_TOP1_PCLK_14>, + <&cmu_peric1 CLK_GOUT_PERIC1_TOP1_IPCLK_14>; + clock-names = "pclk", "ipclk"; + samsung,sysreg = <&sysreg_peric1 0x2008>; + status = "disabled"; + }; + cmu_hsi0: clock-controller@10a00000 { compatible = "samsung,exynos990-cmu-hsi0"; reg = <0x10a00000 0x8000>; -- 2.50.1