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Message-Id: <20211126203641.24005-2-semen.protsenko@linaro.org>
Date: Fri, 26 Nov 2021 22:36:41 +0200
From: Sam Protsenko <semen.protsenko@...aro.org>
To: Sylwester Nawrocki <s.nawrocki@...sung.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
Chanwoo Choi <cw00.choi@...sung.com>,
Tomasz Figa <tomasz.figa@...il.com>,
Rob Herring <robh+dt@...nel.org>
Cc: Stephen Boyd <sboyd@...nel.org>,
Michael Turquette <mturquette@...libre.com>,
David Virag <virag.david003@...il.com>,
Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-samsung-soc@...r.kernel.org
Subject: [PATCH 2/2] clk: samsung: exynos850: Add missing sysreg clocks
System Register is used to configure system behavior, like USI protocol,
etc. SYSREG clocks should be provided to corresponding syscon nodes, to
make it possible to modify SYSREG registers.
While at it, add also missing PMU and GPIO clocks, which looks necessary
and might be needed for corresponding Exynos850 features soon.
Signed-off-by: Sam Protsenko <semen.protsenko@...aro.org>
---
drivers/clk/samsung/clk-exynos850.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/drivers/clk/samsung/clk-exynos850.c b/drivers/clk/samsung/clk-exynos850.c
index 5d83388d8c8e..b644bc3d0de1 100644
--- a/drivers/clk/samsung/clk-exynos850.c
+++ b/drivers/clk/samsung/clk-exynos850.c
@@ -426,11 +426,14 @@ CLK_OF_DECLARE(exynos850_cmu_top, "samsung,exynos850-cmu-top",
#define CLK_CON_DIV_DIV_CLK_APM_I3C 0x1808
#define CLK_CON_GAT_CLKCMU_CMGP_BUS 0x2000
#define CLK_CON_GAT_GATE_CLKCMU_CHUB_BUS 0x2014
+#define CLK_CON_GAT_GOUT_APM_APBIF_GPIO_ALIVE_PCLK 0x2018
+#define CLK_CON_GAT_GOUT_APM_APBIF_PMU_ALIVE_PCLK 0x2020
#define CLK_CON_GAT_GOUT_APM_APBIF_RTC_PCLK 0x2024
#define CLK_CON_GAT_GOUT_APM_APBIF_TOP_RTC_PCLK 0x2028
#define CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_PCLK 0x2034
#define CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_SCLK 0x2038
#define CLK_CON_GAT_GOUT_APM_SPEEDY_APM_PCLK 0x20bc
+#define CLK_CON_GAT_GOUT_APM_SYSREG_APM_PCLK 0x20c0
static const unsigned long apm_clk_regs[] __initconst = {
PLL_CON0_MUX_CLKCMU_APM_BUS_USER,
@@ -445,11 +448,14 @@ static const unsigned long apm_clk_regs[] __initconst = {
CLK_CON_DIV_DIV_CLK_APM_I3C,
CLK_CON_GAT_CLKCMU_CMGP_BUS,
CLK_CON_GAT_GATE_CLKCMU_CHUB_BUS,
+ CLK_CON_GAT_GOUT_APM_APBIF_GPIO_ALIVE_PCLK,
+ CLK_CON_GAT_GOUT_APM_APBIF_PMU_ALIVE_PCLK,
CLK_CON_GAT_GOUT_APM_APBIF_RTC_PCLK,
CLK_CON_GAT_GOUT_APM_APBIF_TOP_RTC_PCLK,
CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_PCLK,
CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_SCLK,
CLK_CON_GAT_GOUT_APM_SPEEDY_APM_PCLK,
+ CLK_CON_GAT_GOUT_APM_SYSREG_APM_PCLK,
};
/* List of parent clocks for Muxes in CMU_APM */
@@ -512,6 +518,14 @@ static const struct samsung_gate_clock apm_gate_clks[] __initconst = {
CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_SCLK, 21, 0, 0),
GATE(CLK_GOUT_SPEEDY_PCLK, "gout_speedy_pclk", "dout_apm_bus",
CLK_CON_GAT_GOUT_APM_SPEEDY_APM_PCLK, 21, 0, 0),
+ /* TODO: Should be enabled in GPIO driver (or made CLK_IS_CRITICAL) */
+ GATE(CLK_GOUT_GPIO_ALIVE_PCLK, "gout_gpio_alive_pclk", "dout_apm_bus",
+ CLK_CON_GAT_GOUT_APM_APBIF_GPIO_ALIVE_PCLK, 21, CLK_IGNORE_UNUSED,
+ 0),
+ GATE(CLK_GOUT_PMU_ALIVE_PCLK, "gout_pmu_alive_pclk", "dout_apm_bus",
+ CLK_CON_GAT_GOUT_APM_APBIF_PMU_ALIVE_PCLK, 21, 0, 0),
+ GATE(CLK_GOUT_SYSREG_APM_PCLK, "gout_sysreg_apm_pclk", "dout_apm_bus",
+ CLK_CON_GAT_GOUT_APM_SYSREG_APM_PCLK, 21, 0, 0),
};
static const struct samsung_cmu_info apm_cmu_info __initconst = {
@@ -541,6 +555,7 @@ static const struct samsung_cmu_info apm_cmu_info __initconst = {
#define CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S0 0x200c
#define CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S1 0x2010
#define CLK_CON_GAT_GOUT_CMGP_GPIO_PCLK 0x2018
+#define CLK_CON_GAT_GOUT_CMGP_SYSREG_CMGP_PCLK 0x2040
#define CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_IPCLK 0x2044
#define CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_PCLK 0x2048
#define CLK_CON_GAT_GOUT_CMGP_USI_CMGP1_IPCLK 0x204c
@@ -556,6 +571,7 @@ static const unsigned long cmgp_clk_regs[] __initconst = {
CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S0,
CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S1,
CLK_CON_GAT_GOUT_CMGP_GPIO_PCLK,
+ CLK_CON_GAT_GOUT_CMGP_SYSREG_CMGP_PCLK,
CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_IPCLK,
CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_PCLK,
CLK_CON_GAT_GOUT_CMGP_USI_CMGP1_IPCLK,
@@ -610,6 +626,9 @@ static const struct samsung_gate_clock cmgp_gate_clks[] __initconst = {
GATE(CLK_GOUT_CMGP_USI1_PCLK, "gout_cmgp_usi1_pclk",
"gout_clkcmu_cmgp_bus",
CLK_CON_GAT_GOUT_CMGP_USI_CMGP1_PCLK, 21, 0, 0),
+ GATE(CLK_GOUT_SYSREG_CMGP_PCLK, "gout_sysreg_cmgp_pclk",
+ "gout_clkcmu_cmgp_bus",
+ CLK_CON_GAT_GOUT_CMGP_SYSREG_CMGP_PCLK, 21, 0, 0),
};
static const struct samsung_cmu_info cmgp_cmu_info __initconst = {
@@ -910,10 +929,12 @@ CLK_OF_DECLARE(exynos850_cmu_peri, "samsung,exynos850-cmu-peri",
#define CLK_CON_DIV_DIV_CLK_CORE_BUSP 0x1800
#define CLK_CON_GAT_GOUT_CORE_CCI_550_ACLK 0x2038
#define CLK_CON_GAT_GOUT_CORE_GIC_CLK 0x2040
+#define CLK_CON_GAT_GOUT_CORE_GPIO_CORE_PCLK 0x2044
#define CLK_CON_GAT_GOUT_CORE_MMC_EMBD_I_ACLK 0x20e8
#define CLK_CON_GAT_GOUT_CORE_MMC_EMBD_SDCLKIN 0x20ec
#define CLK_CON_GAT_GOUT_CORE_SSS_I_ACLK 0x2128
#define CLK_CON_GAT_GOUT_CORE_SSS_I_PCLK 0x212c
+#define CLK_CON_GAT_GOUT_CORE_SYSREG_CORE_PCLK 0x2130
static const unsigned long core_clk_regs[] __initconst = {
PLL_CON0_MUX_CLKCMU_CORE_BUS_USER,
@@ -924,10 +945,12 @@ static const unsigned long core_clk_regs[] __initconst = {
CLK_CON_DIV_DIV_CLK_CORE_BUSP,
CLK_CON_GAT_GOUT_CORE_CCI_550_ACLK,
CLK_CON_GAT_GOUT_CORE_GIC_CLK,
+ CLK_CON_GAT_GOUT_CORE_GPIO_CORE_PCLK,
CLK_CON_GAT_GOUT_CORE_MMC_EMBD_I_ACLK,
CLK_CON_GAT_GOUT_CORE_MMC_EMBD_SDCLKIN,
CLK_CON_GAT_GOUT_CORE_SSS_I_ACLK,
CLK_CON_GAT_GOUT_CORE_SSS_I_PCLK,
+ CLK_CON_GAT_GOUT_CORE_SYSREG_CORE_PCLK,
};
/* List of parent clocks for Muxes in CMU_CORE */
@@ -972,6 +995,12 @@ static const struct samsung_gate_clock core_gate_clks[] __initconst = {
CLK_CON_GAT_GOUT_CORE_SSS_I_ACLK, 21, 0, 0),
GATE(CLK_GOUT_SSS_PCLK, "gout_sss_pclk", "dout_core_busp",
CLK_CON_GAT_GOUT_CORE_SSS_I_PCLK, 21, 0, 0),
+ /* TODO: Should be enabled in GPIO driver (or made CLK_IS_CRITICAL) */
+ GATE(CLK_GOUT_GPIO_CORE_PCLK, "gout_gpio_core_pclk", "dout_core_busp",
+ CLK_CON_GAT_GOUT_CORE_GPIO_CORE_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_GOUT_SYSREG_CORE_PCLK, "gout_sysreg_core_pclk",
+ "dout_core_busp",
+ CLK_CON_GAT_GOUT_CORE_SYSREG_CORE_PCLK, 21, 0, 0),
};
static const struct samsung_cmu_info core_cmu_info __initconst = {
--
2.30.2
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