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Mon, 29 Jun 2026 05:42:36 -0700 (PDT) From: Jerome Brunet Date: Mon, 29 Jun 2026 14:42:08 +0200 Subject: [PATCH v2 4/6] clk: sunxi-ng: div: add read-only operation support Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20260629-a733-rtc-v2-4-7b72112784f8@baylibre.com> References: <20260629-a733-rtc-v2-0-7b72112784f8@baylibre.com> In-Reply-To: <20260629-a733-rtc-v2-0-7b72112784f8@baylibre.com> To: Junhui Liu , Alexandre Belloni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Michael Turquette , Stephen Boyd , Maxime Ripard Cc: linux-rtc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Jerome Brunet X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1337; i=jbrunet@baylibre.com; h=from:subject:message-id; bh=FoMUBVpR32MtJZer6V8lgBnEQWSbZvsirk0xN6alb7w=; 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TO_DN_SOME(0.00)[] X-Rspamd-Queue-Id: CABB51C2B35 X-MORS-Enabled: yes X-MORS-DOMAIN: patchwork.local X-MORS-HOSTING: hosting172546 X-MORS-USER: hosting172546 X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= Add support for sunxi-ng read-only dividers. This will be useful to the a733 oscillator detection logic. Signed-off-by: Jerome Brunet --- drivers/clk/sunxi-ng/ccu_div.c | 11 +++++++++++ drivers/clk/sunxi-ng/ccu_div.h | 1 + 2 files changed, 12 insertions(+) diff --git a/drivers/clk/sunxi-ng/ccu_div.c b/drivers/clk/sunxi-ng/ccu_div.c index 62d680ccb524..0e3d9e6e30fb 100644 --- a/drivers/clk/sunxi-ng/ccu_div.c +++ b/drivers/clk/sunxi-ng/ccu_div.c @@ -143,3 +143,14 @@ const struct clk_ops ccu_div_ops = { .set_rate = ccu_div_set_rate, }; EXPORT_SYMBOL_NS_GPL(ccu_div_ops, "SUNXI_CCU"); + +const struct clk_ops ccu_rodiv_ops = { + .disable = ccu_div_disable, + .enable = ccu_div_enable, + .is_enabled = ccu_div_is_enabled, + + .get_parent = ccu_div_get_parent, + + .recalc_rate = ccu_div_recalc_rate, +}; +EXPORT_SYMBOL_NS_GPL(ccu_rodiv_ops, "SUNXI_CCU"); diff --git a/drivers/clk/sunxi-ng/ccu_div.h b/drivers/clk/sunxi-ng/ccu_div.h index be00b3277e97..a30a92780a05 100644 --- a/drivers/clk/sunxi-ng/ccu_div.h +++ b/drivers/clk/sunxi-ng/ccu_div.h @@ -300,5 +300,6 @@ static inline struct ccu_div *hw_to_ccu_div(struct clk_hw *hw) } extern const struct clk_ops ccu_div_ops; +extern const struct clk_ops ccu_rodiv_ops; #endif /* _CCU_DIV_H_ */