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Mon, 14 Mar 2016 10:12:55 +0900 (KST) From: Chanwoo Choi To: k.kozlowski@samsung.com, kgene@kernel.org Subject: [PATCH] ARM: dts: Add initial pin configuration for exynos3250-rinato Date: Mon, 14 Mar 2016 10:12:54 +0900 Message-id: <1457917974-314-1-git-send-email-cw00.choi@samsung.com> X-Mailer: git-send-email 1.8.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrMLMWRmVeSWpSXmKPExsWyRsSkUFdc4FmYQcM/G4vrX56zWsw/co7V 4vULQ4veBVfZLPofv2a22PT4GqvF5V1z2CxmnN/H5MDhsWlVJ5vH5iX1Hn1bVjF6fN4kF8AS xWWTkpqTWZZapG+XwJXRMXEeU8EapYpZW+YyNjBuke5i5OSQEDCRODp3CzOELSZx4d56ti5G Lg4hgRWMEl+e32CCKfp+cQ47RGIpo8T+Xx2sEM4XRonmhZ/B2tkEtCT2v7jBBmKLCOhKPFr6 mxGkiFngMqPE52OrwIqEBfwk5l5cwApiswioSqxunsYCYvMKOEtMv9PDCrFOTuLDnkdg6yQE mtkldn+aCtUgIPFt8iGgBg6ghKzEpgNQd0tKHFxxg2UCo+ACRoZVjKKpBckFxUnpRUZ6xYm5 xaV56XrJ+bmbGIFhe/rfs74djDcPWB9iFOBgVOLh/bHmaZgQa2JZcWXuIUZToA0TmaVEk/OB 0ZFXEm9obGZkYWpiamxkbmmmJM6bIPUzWEggPbEkNTs1tSC1KL6oNCe1+BAjEwenVANjb/97 ff2jGf1zzmsdSn6d2C5xZc35yqeOHhs66+fnme6Y73WGfem/9MRPkn9KUvmqV+YGSNd1qt70 uxn+d0PY9tS0bZJ13P//CddvPybW7Jou+fjLk/B3S833ls0NNJjs5xVf+4Yrv2bRBuX+c1cP uv/LuiuTOL/83xWXn/+dby3/K8HM/U9YiaU4I9FQi7moOBEAOWocHFYCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprAIsWRmVeSWpSXmKPExsVy+t9jAV1xgWdhBi/Wmltc//Kc1WL+kXOs Fq9fGFr0LrjKZtH/+DWzxabH11gtLu+aw2Yx4/w+JgcOj02rOtk8Ni+p9+jbsorR4/MmuQCW qAZGm4zUxJTUIoXUvOT8lMy8dFsl7+B453hTMwNDXUNLC3MlhbzE3FRbJRefAF23zBygK5QU yhJzSoFCAYnFxUr6dpgmhIa46VrANEbo+oYEwfUYGaCBhDWMGR0T5zEVrFGqmLVlLmMD4xbp LkZODgkBE4nvF+ewQ9hiEhfurWfrYuTiEBJYyiix/1cHK4TzhVGieeFnZpAqNgEtif0vbrCB 2CICuhKPlv5mBCliFrjMKPH52CqwImEBP4m5FxewgtgsAqoSq5unsYDYvALOEtPv9LBCrJOT +LDnEfsERu4FjAyrGCVSC5ILipPScw3zUsv1ihNzi0vz0vWS83M3MYJj45nUDsaDu9wPMQpw MCrx8P5Y8zRMiDWxrLgy9xCjBAezkgivLd+zMCHelMTKqtSi/Pii0pzU4kOMpkAHTGSWEk3O B8ZtXkm8obGJmZGlkbmhhZGxuZI47+P/68KEBNITS1KzU1MLUotg+pg4OKUaGFUmn1Y2+BZz /+okJv3JjarVDs0ZQcc+3Vm6KNP6uNWu/hN/IxoblYLeHtQ5cuv8qxdvmPfmtF4vUGJ5+6vK 5N8vpuYVYp7XHHcKWJxZWcjl15ord+//yRkq8QxCTeGhjUutDJl+PNlUcbpwQ4E525T26AsM aRu44tvOxnK8WxoSlv33LDAYlFiKMxINtZiLihMBrzrWdqMCAAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160313_181320_891158_48D1DB65 X-CRM114-Status: GOOD ( 12.28 ) X-Spam-Score: -6.9 (------) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Kukjin Kim , linux-kernel@vger.kernel.org, Chanwoo Choi , linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds initial pin configuration using pinctrl subsystem to reduce leakage power-consumption of gpio pins in normal state. All pins included in this patch are NC (not connected) pin. Cc: Kukjin Kim Cc: Krzysztof Kozlowski Signed-off-by: Chanwoo Choi Reviewed-by: Krzysztof Kozlowski --- arch/arm/boot/dts/exynos3250-pinctrl.dtsi | 38 +++++++++++++++++ arch/arm/boot/dts/exynos3250-rinato.dts | 70 ++++++++++++++++++++++++++++++- 2 files changed, 106 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/exynos3250-pinctrl.dtsi b/arch/arm/boot/dts/exynos3250-pinctrl.dtsi index 5ab81c39e2c9..ecf79386e891 100644 --- a/arch/arm/boot/dts/exynos3250-pinctrl.dtsi +++ b/arch/arm/boot/dts/exynos3250-pinctrl.dtsi @@ -16,11 +16,49 @@ #define PIN_PULL_DOWN 1 #define PIN_PULL_UP 3 +#define PIN_DRV_LV1 0 +#define PIN_DRV_LV2 2 +#define PIN_DRV_LV3 1 +#define PIN_DRV_LV4 3 + #define PIN_PDN_OUT0 0 #define PIN_PDN_OUT1 1 #define PIN_PDN_INPUT 2 #define PIN_PDN_PREV 3 +#define PIN_IN(_pin, _pull, _drv) \ + _pin { \ + samsung,pins = #_pin; \ + samsung,pin-function = <0>; \ + samsung,pin-pud = ; \ + samsung,pin-drv = ; \ + } + +#define PIN_OUT(_pin, _drv) \ + _pin { \ + samsung,pins = #_pin; \ + samsung,pin-function = <1>; \ + samsung,pin-pud = <0>; \ + samsung,pin-drv = ; \ + } + +#define PIN_OUT_SET(_pin, _val, _drv) \ + _pin { \ + samsung,pins = #_pin; \ + samsung,pin-function = <1>; \ + samsung,pin-pud = <0>; \ + samsung,pin-drv = ; \ + samsung,pin-val = <_val>; \ + } + +#define PIN_CFG(_pin, _sel, _pull, _drv) \ + _pin { \ + samsung,pins = #_pin; \ + samsung,pin-function = <_sel>; \ + samsung,pin-pud = ; \ + samsung,pin-drv = ; \ + } + #define PIN_SLP(_pin, _mode, _pull) \ _pin { \ samsung,pins = #_pin; \ diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts index 3e64d5dcdd60..1c78a2153776 100644 --- a/arch/arm/boot/dts/exynos3250-rinato.dts +++ b/arch/arm/boot/dts/exynos3250-rinato.dts @@ -681,7 +681,21 @@ &pinctrl_0 { pinctrl-names = "default"; - pinctrl-0 = <&sleep0>; + pinctrl-0 = <&initial0 &sleep0>; + + initial0: initial-state { + PIN_IN(gpa1-4, DOWN, LV1); + PIN_IN(gpa1-5, DOWN, LV1); + + PIN_IN(gpc0-0, DOWN, LV1); + PIN_IN(gpc0-1, DOWN, LV1); + PIN_IN(gpc0-2, DOWN, LV1); + PIN_IN(gpc0-3, DOWN, LV1); + PIN_IN(gpc0-4, DOWN, LV1); + + PIN_IN(gpd0-0, DOWN, LV1); + PIN_IN(gpd0-1, DOWN, LV1); + }; sleep0: sleep-state { PIN_SLP(gpa0-0, INPUT, DOWN); @@ -735,7 +749,59 @@ &pinctrl_1 { pinctrl-names = "default"; - pinctrl-0 = <&sleep1>; + pinctrl-0 = <&initial1 &sleep1>; + + initial1: initial-state { + PIN_IN(gpe0-6, DOWN, LV1); + PIN_IN(gpe0-7, DOWN, LV1); + + PIN_IN(gpe1-0, DOWN, LV1); + PIN_IN(gpe1-3, DOWN, LV1); + PIN_IN(gpe1-4, DOWN, LV1); + PIN_IN(gpe1-5, DOWN, LV1); + PIN_IN(gpe1-6, DOWN, LV1); + + PIN_IN(gpk2-0, DOWN, LV1); + PIN_IN(gpk2-1, DOWN, LV1); + PIN_IN(gpk2-2, DOWN, LV1); + PIN_IN(gpk2-3, DOWN, LV1); + PIN_IN(gpk2-4, DOWN, LV1); + PIN_IN(gpk2-5, DOWN, LV1); + PIN_IN(gpk2-6, DOWN, LV1); + + PIN_IN(gpm0-0, DOWN, LV1); + PIN_IN(gpm0-1, DOWN, LV1); + PIN_IN(gpm0-2, DOWN, LV1); + PIN_IN(gpm0-3, DOWN, LV1); + PIN_IN(gpm0-4, DOWN, LV1); + PIN_IN(gpm0-5, DOWN, LV1); + PIN_IN(gpm0-6, DOWN, LV1); + PIN_IN(gpm0-7, DOWN, LV1); + + PIN_IN(gpm1-0, DOWN, LV1); + PIN_IN(gpm1-1, DOWN, LV1); + PIN_IN(gpm1-2, DOWN, LV1); + PIN_IN(gpm1-3, DOWN, LV1); + PIN_IN(gpm1-4, DOWN, LV1); + PIN_IN(gpm1-5, DOWN, LV1); + PIN_IN(gpm1-6, DOWN, LV1); + PIN_IN(gpm2-0, DOWN, LV1); + PIN_IN(gpm2-1, DOWN, LV1); + + PIN_IN(gpm3-0, DOWN, LV1); + PIN_IN(gpm3-1, DOWN, LV1); + PIN_IN(gpm3-2, DOWN, LV1); + PIN_IN(gpm3-3, DOWN, LV1); + PIN_IN(gpm3-4, DOWN, LV1); + + PIN_IN(gpm4-1, DOWN, LV1); + PIN_IN(gpm4-2, DOWN, LV1); + PIN_IN(gpm4-3, DOWN, LV1); + PIN_IN(gpm4-4, DOWN, LV1); + PIN_IN(gpm4-5, DOWN, LV1); + PIN_IN(gpm4-6, DOWN, LV1); + PIN_IN(gpm4-7, DOWN, LV1); + }; sleep1: sleep-state { PIN_SLP(gpe0-0, PREV, NONE);