From: Peter Griffin <peter.griffin@linaro.org> To: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com, conor+dt@kernel.org, sboyd@kernel.org, tomasz.figa@gmail.com, s.nawrocki@samsung.com, linus.walleij@linaro.org, wim@linux-watchdog.org, linux@roeck-us.net, catalin.marinas@arm.com, will@kernel.org, arnd@arndb.de, olof@lixom.net, cw00.choi@samsung.com Cc: peter.griffin@linaro.org, tudor.ambarus@linaro.org, andre.draszik@linaro.org, semen.protsenko@linaro.org, soc@kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-watchdog@vger.kernel.org Subject: [PATCH 12/21] clk: samsung: clk-pll: Add support for pll_{0516,0517,518} Date: Thu, 5 Oct 2023 16:56:09 +0100 [thread overview] Message-ID: <20231005155618.700312-13-peter.griffin@linaro.org> (raw) In-Reply-To: <20231005155618.700312-1-peter.griffin@linaro.org> Thesee plls are found in the Tensor gs101 SoC found in the Pixel 6. pll0516x: Integrer PLL with high frequency pll0517x: Integrer PLL with middle frequency pll0518x: Integrer PLL with low frequency PLL0516x FOUT = (MDIV * 2 * FIN)/PDIV * 2^SDIV) PLL0517x and PLL0518x FOUT = (MDIV * FIN)/PDIV*2^SDIV) The PLLs are similar enough to pll_0822x that the same code can handle both. The main difference is the change in the fout formula for the high frequency 0516 pll. Locktime for 516,517 & 518 is 150 the same as the pll_0822x lock factor. MDIV, SDIV PDIV masks and bit shifts are also the same as 0822x. When defining the PLL the "con" parameter should be set to CON3 register, like this PLL(pll_0517x, CLK_FOUT_SHARED0_PLL, "fout_shared0_pll", "oscclk", PLL_LOCKTIME_PLL_SHARED0, PLL_CON3_PLL_SHARED0, NULL), Signed-off-by: Peter Griffin <peter.griffin@linaro.org> --- drivers/clk/samsung/clk-pll.c | 9 ++++++++- drivers/clk/samsung/clk-pll.h | 3 +++ 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/clk/samsung/clk-pll.c b/drivers/clk/samsung/clk-pll.c index 74934c6182ce..4ef9fea2a425 100644 --- a/drivers/clk/samsung/clk-pll.c +++ b/drivers/clk/samsung/clk-pll.c @@ -442,7 +442,11 @@ static unsigned long samsung_pll0822x_recalc_rate(struct clk_hw *hw, pdiv = (pll_con3 >> PLL0822X_PDIV_SHIFT) & PLL0822X_PDIV_MASK; sdiv = (pll_con3 >> PLL0822X_SDIV_SHIFT) & PLL0822X_SDIV_MASK; - fvco *= mdiv; + if (pll->type == pll_0516x) + fvco = fvco * 2 * mdiv; + else + fvco *= mdiv; + do_div(fvco, (pdiv << sdiv)); return (unsigned long)fvco; @@ -1316,6 +1320,9 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx, case pll_1417x: case pll_0818x: case pll_0822x: + case pll_0516x: + case pll_0517x: + case pll_0518x: pll->enable_offs = PLL0822X_ENABLE_SHIFT; pll->lock_offs = PLL0822X_LOCK_STAT_SHIFT; if (!pll->rate_table) diff --git a/drivers/clk/samsung/clk-pll.h b/drivers/clk/samsung/clk-pll.h index 0725d485c6ee..ffd3d52c0dec 100644 --- a/drivers/clk/samsung/clk-pll.h +++ b/drivers/clk/samsung/clk-pll.h @@ -38,6 +38,9 @@ enum samsung_pll_type { pll_0822x, pll_0831x, pll_142xx, + pll_0516x, + pll_0517x, + pll_0518x, }; #define PLL_RATE(_fin, _m, _p, _s, _k, _ks) \ -- 2.42.0.582.g8ccd20d70d-goog
WARNING: multiple messages have this Message-ID (diff)
From: Peter Griffin <peter.griffin@linaro.org> To: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com, conor+dt@kernel.org, sboyd@kernel.org, tomasz.figa@gmail.com, s.nawrocki@samsung.com, linus.walleij@linaro.org, wim@linux-watchdog.org, linux@roeck-us.net, catalin.marinas@arm.com, will@kernel.org, arnd@arndb.de, olof@lixom.net, cw00.choi@samsung.com Cc: peter.griffin@linaro.org, tudor.ambarus@linaro.org, andre.draszik@linaro.org, semen.protsenko@linaro.org, soc@kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-watchdog@vger.kernel.org Subject: [PATCH 12/21] clk: samsung: clk-pll: Add support for pll_{0516,0517,518} Date: Thu, 5 Oct 2023 16:56:09 +0100 [thread overview] Message-ID: <20231005155618.700312-13-peter.griffin@linaro.org> (raw) In-Reply-To: <20231005155618.700312-1-peter.griffin@linaro.org> Thesee plls are found in the Tensor gs101 SoC found in the Pixel 6. pll0516x: Integrer PLL with high frequency pll0517x: Integrer PLL with middle frequency pll0518x: Integrer PLL with low frequency PLL0516x FOUT = (MDIV * 2 * FIN)/PDIV * 2^SDIV) PLL0517x and PLL0518x FOUT = (MDIV * FIN)/PDIV*2^SDIV) The PLLs are similar enough to pll_0822x that the same code can handle both. The main difference is the change in the fout formula for the high frequency 0516 pll. Locktime for 516,517 & 518 is 150 the same as the pll_0822x lock factor. MDIV, SDIV PDIV masks and bit shifts are also the same as 0822x. When defining the PLL the "con" parameter should be set to CON3 register, like this PLL(pll_0517x, CLK_FOUT_SHARED0_PLL, "fout_shared0_pll", "oscclk", PLL_LOCKTIME_PLL_SHARED0, PLL_CON3_PLL_SHARED0, NULL), Signed-off-by: Peter Griffin <peter.griffin@linaro.org> --- drivers/clk/samsung/clk-pll.c | 9 ++++++++- drivers/clk/samsung/clk-pll.h | 3 +++ 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/clk/samsung/clk-pll.c b/drivers/clk/samsung/clk-pll.c index 74934c6182ce..4ef9fea2a425 100644 --- a/drivers/clk/samsung/clk-pll.c +++ b/drivers/clk/samsung/clk-pll.c @@ -442,7 +442,11 @@ static unsigned long samsung_pll0822x_recalc_rate(struct clk_hw *hw, pdiv = (pll_con3 >> PLL0822X_PDIV_SHIFT) & PLL0822X_PDIV_MASK; sdiv = (pll_con3 >> PLL0822X_SDIV_SHIFT) & PLL0822X_SDIV_MASK; - fvco *= mdiv; + if (pll->type == pll_0516x) + fvco = fvco * 2 * mdiv; + else + fvco *= mdiv; + do_div(fvco, (pdiv << sdiv)); return (unsigned long)fvco; @@ -1316,6 +1320,9 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx, case pll_1417x: case pll_0818x: case pll_0822x: + case pll_0516x: + case pll_0517x: + case pll_0518x: pll->enable_offs = PLL0822X_ENABLE_SHIFT; pll->lock_offs = PLL0822X_LOCK_STAT_SHIFT; if (!pll->rate_table) diff --git a/drivers/clk/samsung/clk-pll.h b/drivers/clk/samsung/clk-pll.h index 0725d485c6ee..ffd3d52c0dec 100644 --- a/drivers/clk/samsung/clk-pll.h +++ b/drivers/clk/samsung/clk-pll.h @@ -38,6 +38,9 @@ enum samsung_pll_type { pll_0822x, pll_0831x, pll_142xx, + pll_0516x, + pll_0517x, + pll_0518x, }; #define PLL_RATE(_fin, _m, _p, _s, _k, _ks) \ -- 2.42.0.582.g8ccd20d70d-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2023-10-05 16:05 UTC|newest] Thread overview: 150+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-10-05 15:55 [PATCH 00/21] Add minimal Tensor/GS101 SoC support and Oriole/Pixel6 board Peter Griffin 2023-10-05 15:55 ` Peter Griffin 2023-10-05 15:55 ` [PATCH 01/21] dt-bindings: interrupt-controller: Add gs101 interrupt controller Peter Griffin 2023-10-05 15:55 ` Peter Griffin 2023-10-05 16:04 ` Krzysztof Kozlowski 2023-10-05 16:04 ` Krzysztof Kozlowski 2023-10-06 21:52 ` Linus Walleij 2023-10-06 21:52 ` Linus Walleij 2023-10-05 15:55 ` [PATCH 02/21] dt-bindings: soc: samsung: exynos-pmu: Add gs101 compatible Peter Griffin 2023-10-05 15:55 ` Peter Griffin 2023-10-05 16:05 ` Krzysztof Kozlowski 2023-10-05 16:05 ` Krzysztof Kozlowski 2023-10-05 15:56 ` [PATCH 03/21] dt-bindings: clock: Add Google gs101 clock management unit bindings Peter Griffin 2023-10-05 15:56 ` Peter Griffin 2023-10-05 16:06 ` Krzysztof Kozlowski 2023-10-05 16:06 ` Krzysztof Kozlowski 2023-10-05 15:56 ` [PATCH 04/21] dt-bindings: soc: google: exynos-sysreg: add dedicated SYSREG compatibles to GS101 Peter Griffin 2023-10-05 15:56 ` Peter Griffin 2023-10-05 16:07 ` Krzysztof Kozlowski 2023-10-05 16:07 ` Krzysztof Kozlowski 2023-10-06 12:41 ` Peter Griffin 2023-10-06 12:41 ` Peter Griffin 2023-10-06 12:43 ` Krzysztof Kozlowski 2023-10-06 12:43 ` Krzysztof Kozlowski 2023-10-05 15:56 ` [PATCH 05/21] dt-bindings: watchdog: Document Google gs101 & gs201 watchdog bindings Peter Griffin 2023-10-05 15:56 ` Peter Griffin 2023-10-05 16:08 ` Krzysztof Kozlowski 2023-10-05 16:08 ` Krzysztof Kozlowski 2023-10-05 17:37 ` William McVicker 2023-10-05 17:37 ` William McVicker 2023-10-05 15:56 ` [PATCH 06/21] dt-bindings: arm: google: Add bindings for Google ARM platforms Peter Griffin 2023-10-05 15:56 ` Peter Griffin 2023-10-06 20:44 ` Rob Herring 2023-10-06 20:44 ` Rob Herring 2023-10-05 15:56 ` [PATCH 07/21] dt-bindings: pinctrl: samsung: add google,gs101-pinctrl compatible Peter Griffin 2023-10-05 15:56 ` Peter Griffin 2023-10-05 16:10 ` Krzysztof Kozlowski 2023-10-05 16:10 ` Krzysztof Kozlowski 2023-10-05 15:56 ` [PATCH 08/21] dt-bindings: pinctrl: samsung: add gs101-wakeup-eint compatible Peter Griffin 2023-10-05 15:56 ` Peter Griffin 2023-10-05 16:10 ` Krzysztof Kozlowski 2023-10-05 16:10 ` Krzysztof Kozlowski 2023-10-05 15:56 ` [PATCH 09/21] dt-bindings: clock: gs101: Add cmu_top clock indices Peter Griffin 2023-10-05 15:56 ` Peter Griffin 2023-10-05 16:11 ` Krzysztof Kozlowski 2023-10-05 16:11 ` Krzysztof Kozlowski 2023-10-08 22:48 ` Chanwoo Choi 2023-10-08 22:48 ` Chanwoo Choi 2023-10-05 15:56 ` [PATCH 10/21] dt-bindings: clock: gs101: Add cmu_apm " Peter Griffin 2023-10-05 15:56 ` Peter Griffin 2023-10-05 16:11 ` Krzysztof Kozlowski 2023-10-05 16:11 ` Krzysztof Kozlowski 2023-10-05 15:56 ` [PATCH 11/21] dt-bindings: clock: gs101: Add cmu_misc " Peter Griffin 2023-10-05 15:56 ` Peter Griffin 2023-10-05 15:56 ` Peter Griffin [this message] 2023-10-05 15:56 ` [PATCH 12/21] clk: samsung: clk-pll: Add support for pll_{0516,0517,518} Peter Griffin 2023-10-05 17:39 ` William McVicker 2023-10-05 17:39 ` William McVicker 2023-10-08 22:51 ` Chanwoo Choi 2023-10-08 22:51 ` Chanwoo Choi 2023-10-05 15:56 ` [PATCH 13/21] clk: samsung: clk-gs101: Add cmu_top registers, plls, mux and gates Peter Griffin 2023-10-05 15:56 ` Peter Griffin 2023-10-05 17:42 ` William McVicker 2023-10-05 17:42 ` William McVicker 2023-10-05 17:45 ` Krzysztof Kozlowski 2023-10-05 17:45 ` Krzysztof Kozlowski 2023-10-06 4:16 ` kernel test robot 2023-10-06 4:16 ` kernel test robot 2023-10-14 6:37 ` kernel test robot 2023-10-14 6:37 ` kernel test robot 2023-10-05 15:56 ` [PATCH 14/21] clk: samsung: clk-gs101: add CMU_APM support Peter Griffin 2023-10-05 15:56 ` Peter Griffin 2023-10-05 17:43 ` William McVicker 2023-10-05 17:43 ` William McVicker 2023-10-05 17:45 ` William McVicker 2023-10-05 17:45 ` William McVicker 2023-10-05 15:56 ` [PATCH 15/21] clk: google: gs101: Add support for CMU_MISC clock unit Peter Griffin 2023-10-05 15:56 ` Peter Griffin 2023-10-06 5:20 ` kernel test robot 2023-10-06 5:20 ` kernel test robot 2023-10-05 15:56 ` [PATCH 16/21] pinctrl: samsung: Add gs101 SoC pinctrl configuration Peter Griffin 2023-10-05 15:56 ` Peter Griffin 2023-10-06 6:33 ` Krzysztof Kozlowski 2023-10-06 6:33 ` Krzysztof Kozlowski 2023-10-09 7:49 ` Peter Griffin 2023-10-09 7:49 ` Peter Griffin 2023-10-05 15:56 ` [PATCH 17/21] watchdog: s3c2410_wdt: Add support for Google tensor SoCs Peter Griffin 2023-10-05 15:56 ` Peter Griffin 2023-10-05 18:58 ` Guenter Roeck 2023-10-05 18:58 ` Guenter Roeck 2023-10-09 11:56 ` Peter Griffin 2023-10-09 11:56 ` Peter Griffin 2023-10-05 15:56 ` [PATCH 18/21] arm64: dts: google: Add initial Google gs101 SoC support Peter Griffin 2023-10-05 15:56 ` Peter Griffin 2023-10-05 16:21 ` Krzysztof Kozlowski 2023-10-05 16:21 ` Krzysztof Kozlowski 2023-10-05 17:59 ` William McVicker 2023-10-05 17:59 ` William McVicker 2023-10-05 18:05 ` Greg KH 2023-10-05 18:05 ` Greg KH 2023-10-05 19:18 ` Krzysztof Kozlowski 2023-10-05 19:18 ` Krzysztof Kozlowski 2023-10-05 19:23 ` Greg KH 2023-10-05 19:23 ` Greg KH 2023-10-05 19:29 ` Krzysztof Kozlowski 2023-10-05 19:29 ` Krzysztof Kozlowski 2023-10-05 23:19 ` William McVicker 2023-10-05 23:19 ` William McVicker 2023-10-06 6:06 ` Krzysztof Kozlowski 2023-10-06 6:06 ` Krzysztof Kozlowski 2023-10-06 8:48 ` Arnd Bergmann 2023-10-06 8:48 ` Arnd Bergmann 2023-10-06 16:33 ` William McVicker 2023-10-06 16:33 ` William McVicker 2023-10-07 14:34 ` Krzysztof Kozlowski 2023-10-07 14:34 ` Krzysztof Kozlowski 2023-10-09 16:10 ` William McVicker 2023-10-09 16:10 ` William McVicker 2023-10-05 19:21 ` Krzysztof Kozlowski 2023-10-05 19:21 ` Krzysztof Kozlowski 2023-10-05 19:22 ` Krzysztof Kozlowski 2023-10-05 19:22 ` Krzysztof Kozlowski 2023-10-05 19:26 ` William McVicker 2023-10-05 19:26 ` William McVicker 2023-10-09 12:01 ` Tudor Ambarus 2023-10-09 12:01 ` Tudor Ambarus 2023-10-05 15:56 ` [PATCH 19/21] google/gs101: Add dt overlay for oriole board Peter Griffin 2023-10-05 15:56 ` Peter Griffin 2023-10-05 16:33 ` Krzysztof Kozlowski 2023-10-05 16:33 ` Krzysztof Kozlowski 2023-10-09 20:03 ` William McVicker 2023-10-09 20:03 ` William McVicker 2023-10-06 7:08 ` Geert Uytterhoeven 2023-10-06 7:08 ` Geert Uytterhoeven 2023-10-06 20:52 ` Rob Herring 2023-10-06 20:52 ` Rob Herring 2023-10-10 12:09 ` Peter Griffin 2023-10-10 12:09 ` Peter Griffin 2023-10-05 15:56 ` [PATCH 20/21] arm64: defconfig: Enable Google Tensor SoC Peter Griffin 2023-10-05 15:56 ` Peter Griffin 2023-10-05 15:56 ` [PATCH 21/21] MAINTAINERS: add entry for " Peter Griffin 2023-10-05 15:56 ` Peter Griffin 2023-10-05 16:32 ` [PATCH 00/21] Add minimal Tensor/GS101 SoC support and Oriole/Pixel6 board Krzysztof Kozlowski 2023-10-05 16:32 ` Krzysztof Kozlowski 2023-10-09 11:39 ` Peter Griffin 2023-10-09 11:39 ` Peter Griffin 2023-10-09 11:10 ` Krzysztof Kozlowski 2023-10-09 11:10 ` Krzysztof Kozlowski 2023-10-09 11:40 ` Peter Griffin 2023-10-09 11:40 ` Peter Griffin
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20231005155618.700312-13-peter.griffin@linaro.org \ --to=peter.griffin@linaro.org \ --cc=andre.draszik@linaro.org \ --cc=arnd@arndb.de \ --cc=catalin.marinas@arm.com \ --cc=conor+dt@kernel.org \ --cc=cw00.choi@samsung.com \ --cc=devicetree@vger.kernel.org \ --cc=krzysztof.kozlowski+dt@linaro.org \ --cc=linus.walleij@linaro.org \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-clk@vger.kernel.org \ --cc=linux-gpio@vger.kernel.org \ --cc=linux-samsung-soc@vger.kernel.org \ --cc=linux-watchdog@vger.kernel.org \ --cc=linux@roeck-us.net \ --cc=mturquette@baylibre.com \ --cc=olof@lixom.net \ --cc=robh+dt@kernel.org \ --cc=s.nawrocki@samsung.com \ --cc=sboyd@kernel.org \ --cc=semen.protsenko@linaro.org \ --cc=soc@kernel.org \ --cc=tomasz.figa@gmail.com \ --cc=tudor.ambarus@linaro.org \ --cc=will@kernel.org \ --cc=wim@linux-watchdog.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.