linux-kernel - [PATCH v4 01/24] pinctrl: tegra20: register csus

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Message-ID: <20251008073046.23231-2-clamor95@gmail.com>
Date: Wed,  8 Oct 2025 10:30:23 +0300
From: Svyatoslav Ryhel <clamor95@...il.com>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Jonathan Hunter <jonathanh@...dia.com>,
	Sowjanya Komatineni <skomatineni@...dia.com>,
	Luca Ceresoli <luca.ceresoli@...tlin.com>,
	Prashant Gaikwad <pgaikwad@...dia.com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Mikko Perttunen <mperttunen@...dia.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Svyatoslav Ryhel <clamor95@...il.com>,
	Jonas Schwöbel <jonasschwoebel@...oo.de>,
	Dmitry Osipenko <digetx@...il.com>,
	Charan Pedumuru <charan.pedumuru@...il.com>,
	Diogo Ivo <diogo.ivo@...nico.ulisboa.pt>,
	Aaron Kling <webgeek1234@...il.com>,
	Arnd Bergmann <arnd@...db.de>
Cc: dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org,
	linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-media@...r.kernel.org,
	linux-clk@...r.kernel.org,
	linux-gpio@...r.kernel.org,
	linux-staging@...ts.linux.dev
Subject: [PATCH v4 01/24] pinctrl: tegra20: register csus_mux clock

Add csus_mux for further use as the csus clock parent, similar to how the
cdev1 and cdev2 muxes are utilized. Additionally, constify the cdev parent
name lists to resolve checkpatch warnings.

Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
---
 drivers/pinctrl/tegra/pinctrl-tegra20.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/tegra/pinctrl-tegra20.c b/drivers/pinctrl/tegra/pinctrl-tegra20.c
index 737fc2000f66..1a1758fd7def 100644
--- a/drivers/pinctrl/tegra/pinctrl-tegra20.c
+++ b/drivers/pinctrl/tegra/pinctrl-tegra20.c
@@ -2222,14 +2222,18 @@ static const struct tegra_pinctrl_soc_data tegra20_pinctrl = {
 	.drvtype_in_mux = false,
 };
 
-static const char *cdev1_parents[] = {
+static const char * const cdev1_parents[] = {
 	"dev1_osc_div", "pll_a_out0", "pll_m_out1", "audio",
 };
 
-static const char *cdev2_parents[] = {
+static const char * const cdev2_parents[] = {
 	"dev2_osc_div", "hclk", "pclk", "pll_p_out4",
 };
 
+static const char * const csus_parents[] = {
+	"pll_c_out1", "pll_p_out2", "pll_p_out3", "vi_sensor",
+};
+
 static void tegra20_pinctrl_register_clock_muxes(struct platform_device *pdev)
 {
 	struct tegra_pmx *pmx = platform_get_drvdata(pdev);
@@ -2239,6 +2243,9 @@ static void tegra20_pinctrl_register_clock_muxes(struct platform_device *pdev)
 
 	clk_register_mux(NULL, "cdev2_mux", cdev2_parents, 4, 0,
 			 pmx->regs[1] + 0x8, 4, 2, CLK_MUX_READ_ONLY, NULL);
+
+	clk_register_mux(NULL, "csus_mux", csus_parents, 4, 0,
+			 pmx->regs[1] + 0x8, 6, 2, CLK_MUX_READ_ONLY, NULL);
 }
 
 static int tegra20_pinctrl_probe(struct platform_device *pdev)
-- 
2.48.1